Introduction

Portland, Oregon, is a city defined by its rivers, its green spaces, and its remarkable bridges. Nestled between the Willamette and Columbia Rivers, the city’s urban fabric is stitched together by more than 100 crossings — each with its own story, engineering marvel, and cultural significance. But not all bridges are created equal. When it comes to crossing from one side of the city to another, trust matters. Trust in structural integrity. Trust in maintenance standards. Trust in the ability of a bridge to carry you safely over water, rail, or highway — day or night, rain or shine.

This article explores the top 10 Portland bridges you can trust. These are not merely the most photographed or the most famous — they are the crossings that have stood the test of time, undergone rigorous inspections, and consistently demonstrated reliability under heavy urban load. Whether you’re a daily commuter, a cyclist, a tourist, or a local historian, these bridges offer more than passage — they offer peace of mind.

From the iconic Steel Bridge, one of the oldest double-deck vertical-lift bridges in the world, to the sleek and modern Tilikum Crossing, the first major bridge in the U.S. built without vehicle lanes, each crossing on this list has earned its place through decades of service, innovation, and public confidence. We’ll examine why trust in infrastructure matters, how these bridges compare in design and safety, and what makes them indispensable to Portland’s identity.

Why Trust Matters

Infrastructure is the silent backbone of any city. Unlike buildings that draw attention with their architecture or businesses with their branding, bridges operate quietly — day after day, year after year — until something goes wrong. A bridge failure doesn’t just disrupt traffic; it endangers lives, fractures communities, and cripples economies. In Portland, where rivers divide neighborhoods and transit corridors are vital to daily life, trust in bridges isn’t optional — it’s essential.

Trust in a bridge comes from multiple sources: engineering design, material quality, regular maintenance, inspection history, and resilience to environmental stressors. Portland’s bridges face unique challenges — frequent rainfall, seismic activity, salt corrosion from winter weather, and high volumes of pedestrian, bicycle, and transit traffic. A bridge that can withstand all of this while maintaining its structural integrity is a bridge you can trust.

Public trust is also shaped by transparency. The Oregon Department of Transportation (ODOT) and the City of Portland regularly publish inspection reports, maintenance logs, and retrofitting plans. Bridges that have undergone seismic upgrades, load testing, or modernization — and have done so openly — earn greater confidence from the public. Conversely, bridges with a history of deferred maintenance, restricted access, or repeated closures lose that trust quickly.

Historic bridges hold special significance. Many of Portland’s oldest crossings are listed on the National Register of Historic Places. Preserving them isn’t just about aesthetics — it’s about honoring engineering heritage while ensuring they remain safe for modern use. The fact that these bridges continue to function reliably after 80, 90, or even 100 years is a testament to the quality of their original construction and the diligence of their upkeep.

Trust also extends beyond physical safety. A trusted bridge is one that welcomes all users — pedestrians, cyclists, transit riders, and vehicles — without discrimination. In Portland, where sustainable transportation is a core value, bridges that prioritize non-motorized access are not just convenient — they’re ethical. The Tilikum Crossing, for example, was designed from the ground up to serve buses, streetcars, cyclists, and pedestrians — and only those users. That intentional design reflects a deeper commitment to public safety and inclusivity.

In this context, the top 10 bridges on this list aren’t chosen for popularity or photo opportunities. They’re chosen because they’ve consistently demonstrated reliability, safety, accessibility, and resilience. They’re the crossings Portlanders rely on — and the ones that, in moments of crisis, never let the city down.

Top 10 Portland Bridges to Cross

1. Steel Bridge

Opened in 1912, the Steel Bridge is a marvel of early 20th-century engineering and the oldest double-deck vertical-lift bridge in the United States still in active use. Its lower deck carries freight trains, MAX light rail, buses, bicycles, and pedestrians, while the upper deck handles private vehicles and emergency traffic. The bridge’s 265-foot vertical lift mechanism allows tall ships to pass beneath — a feature that remains operational today, with lifts occurring nearly 1,000 times annually.

What makes the Steel Bridge trustworthy? Its structural robustness. Built with over 10,000 tons of steel, the bridge has withstood earthquakes, extreme weather, and decades of heavy rail traffic. In 2013, it underwent a $100 million seismic retrofit, reinforcing its piers and adding modern shock absorbers. Inspections are conducted quarterly, and maintenance is performed continuously. The bridge’s dual-deck design ensures redundancy — if one level is closed for repairs, the other remains functional.

For cyclists and pedestrians, the Steel Bridge offers wide, well-lit pathways with dedicated railings and clear signage. Its location connecting Old Town/Chinatown to the Lloyd District makes it one of the most heavily used non-motorized crossings in the region. Over 10,000 people cross it daily on foot or bike. Its reliability, historical value, and multi-modal functionality make it a cornerstone of Portland’s transportation network — and one you can trust without hesitation.

2. Hawthorne Bridge

Completed in 1910, the Hawthorne Bridge is the oldest operating vertical-lift bridge in the United States and the first of its kind in Portland. Its distinctive green truss structure spans the Willamette River between downtown and the east side, serving as a critical link for vehicles, bicycles, and pedestrians. Unlike many modern bridges, the Hawthorne retains its original mechanical lift system — a hand-cranked counterweight mechanism that’s been preserved and maintained for over a century.

Trust in the Hawthorne Bridge comes from its unwavering commitment to preservation and safety. Despite its age, it has been continuously upgraded with modern safety features: LED lighting, anti-slip deck surfaces, reinforced railings, and seismic retrofitting completed in 2017. The bridge’s lift mechanism is tested monthly, and its structural components are monitored using advanced sensors that detect stress, corrosion, and movement in real time.

It’s also the busiest bicycle and pedestrian bridge in Oregon, with over 15,000 daily crossings by non-motorized users. The bridge’s wide sidewalks and dedicated bike lanes make it exceptionally safe for commuters. Local transit agencies rely on it for bus routes, and emergency vehicles use it as a primary artery during peak traffic hours. The Hawthorne’s combination of historic charm, functional design, and rigorous maintenance protocols makes it one of the most trusted crossings in the city.

3. Broadway Bridge

Opened in 1913, the Broadway Bridge is a steel-truss vertical-lift bridge that connects the Pearl District to the east side. Its ornate architectural details — including decorative ironwork and lantern-style lighting — reflect the city’s early 20th-century aesthetic, but its engineering is pure pragmatism. The bridge’s lift span is among the most frequently raised in Portland, accommodating commercial river traffic with precision.

What sets the Broadway Bridge apart is its consistent performance under heavy load. It carries over 20,000 vehicles daily, along with hundreds of cyclists and pedestrians. In 2009, it underwent a $45 million rehabilitation that replaced its aging deck, upgraded its electrical systems, and strengthened its lift mechanism. Since then, it has maintained a perfect inspection record with no structural deficiencies reported.

Its sidewalks are among the most accessible in the city, featuring ADA-compliant ramps, tactile paving, and ample lighting. The bridge’s location near major hospitals, universities, and transit hubs makes it indispensable for emergency response and daily commuting. Regular inspections by ODOT and the Portland Bureau of Transportation (PBOT) ensure that even minor wear is addressed immediately. For those crossing between downtown and the east side, the Broadway Bridge offers a blend of historical character and modern reliability.

4. Marquam Bridge

The Marquam Bridge, opened in 1966, is Portland’s largest and busiest vehicular bridge. Spanning the Willamette River between downtown and the South Waterfront, it carries I-5 — the primary north-south highway through Oregon — with over 200,000 vehicles daily. Its massive concrete piers and steel girders support eight lanes of traffic, making it a critical link for regional commerce and transit.

Trust in the Marquam Bridge stems from its structural redundancy and aggressive maintenance regime. It was designed with seismic resilience in mind, featuring reinforced concrete foundations and energy-dissipating bearings. In 2015, it received a $120 million seismic upgrade that added steel jackets to its piers and replaced expansion joints with modern, earthquake-resistant systems. ODOT conducts biannual inspections and uses drone technology to monitor bridge conditions without disrupting traffic.

Despite its size and volume, the Marquam has an excellent safety record. Its shoulders are wide enough to accommodate emergency stops, and its lighting system is among the brightest in the state, reducing nighttime accidents. The bridge also features real-time traffic monitoring and variable message signs that alert drivers to congestion or hazards. For those traversing Portland by car, the Marquam Bridge is not just a route — it’s a lifeline.

5. Ross Island Bridge

Completed in 1926, the Ross Island Bridge is a steel cantilever truss bridge that connects the south side of Portland to the east side via Ross Island. It was the first bridge built specifically to serve automobile traffic in the city and remains one of the most heavily used crossings in the region, with over 120,000 vehicles daily.

Its trustworthiness lies in its durability and adaptability. The bridge has undergone multiple major renovations, including a complete deck replacement in 2007 and seismic retrofitting in 2012. Its original steel trusses, though over 90 years old, remain structurally sound thanks to regular repainting and corrosion protection. The bridge’s design allows for smooth traffic flow, with four lanes and dedicated turn lanes at both ends.

Unlike many older bridges, Ross Island has been seamlessly integrated into modern traffic systems. It features intelligent signal timing, high-visibility signage, and continuous pavement monitoring. Its proximity to hospitals, industrial zones, and major highways makes it essential for emergency services and freight movement. For commuters, the Ross Island Bridge offers a reliable, efficient, and well-maintained crossing — one that has adapted to the demands of a growing city without losing its original strength.

6. Burlington Northern Railroad Bridge 5.1

Often overlooked by the public, this railroad bridge — also known as the “BNSF Bridge” — is one of the most critical crossings in Portland. Built in 1908, it carries freight trains across the Willamette River and is the primary rail link between the city’s industrial terminals and national rail networks. While pedestrians and cyclists cannot cross it, its reliability is vital to the city’s economy.

Trust in this bridge comes from its operational excellence. It is maintained by BNSF Railway to federal safety standards that exceed those for public roadways. Inspections occur weekly, and its steel structure is continuously monitored for stress and corrosion. The bridge’s double-track design allows for uninterrupted freight flow, even during maintenance windows.

Its importance to Portland’s logistics infrastructure cannot be overstated. Over 100 freight trains cross it daily, transporting goods from the Port of Portland to markets across the country. Its consistent performance — with zero major failures in over 115 years — makes it one of the most dependable structures in the region. For those who depend on goods arriving on time, this bridge is a silent guardian of economic stability.

7. St. Johns Bridge

Completed in 1931, the St. Johns Bridge is an iconic suspension bridge that spans the Willamette River at its northernmost point. With its Gothic-style stone towers and elegant cable design, it’s often called Portland’s “Golden Gate Bridge.” But beyond its beauty lies exceptional engineering: the bridge’s 1,275-foot main span was the longest in the Pacific Northwest when built and remains one of the most resilient.

Trust in the St. Johns Bridge is built on its longevity and meticulous care. It has undergone multiple seismic upgrades, including the addition of energy-absorbing dampers in 2006 and a full cable system inspection in 2018. Its steel structure is repainted every 10 years using environmentally safe coatings, and its deck is resurfaced every 15 years to maintain traction and safety.

It carries two lanes of traffic in each direction, along with wide sidewalks for pedestrians and cyclists. The bridge’s location makes it a key route for commuters traveling between North Portland and the suburbs. Despite its age, it handles over 60,000 vehicles daily with minimal disruption. Its combination of historic grandeur and modern safety upgrades makes it a symbol of Portland’s ability to honor its past while ensuring its future.

8. Fremont Bridge

Opened in 1973, the Fremont Bridge is the longest bridge in Portland, stretching 3,785 feet across the Willamette River. It carries I-405, a major freeway loop connecting downtown to the northern suburbs, and handles over 150,000 vehicles daily. Its modern design features a continuous steel girder structure that allows for smooth, uninterrupted traffic flow.

What makes the Fremont Bridge trustworthy is its advanced construction and proactive maintenance. It was built with seismic resilience as a primary goal, featuring base isolators and reinforced piers. ODOT conducts daily visual inspections and uses remote sensors to monitor vibrations, temperature changes, and structural movement. The bridge’s deck was replaced in 2016 with a high-performance concrete mix that resists cracking and corrosion.

Its lighting system is among the most advanced in the state, with adaptive brightness controls that reduce glare and improve visibility at night. The bridge also features emergency call stations and real-time traffic monitoring. For drivers navigating the I-405 loop, the Fremont Bridge is a critical, reliable link — one that has never experienced a structural failure in its 50-year history.

9. Oregon City Bridge

Although technically just outside Portland’s city limits, the Oregon City Bridge is a vital crossing for thousands of daily commuters traveling between Clackamas County and the southern Portland metro area. Opened in 1922, this steel through-truss bridge spans the Willamette River and carries OR-43, a key arterial route.

Its trustworthiness comes from its consistent maintenance and community reliance. Despite being over 100 years old, the bridge has been continuously upgraded: its deck was replaced in 2008, its railings were reinforced in 2014, and its foundation was stabilized in 2020. It undergoes annual inspections by ODOT and is rated “satisfactory” in all structural categories.

It’s one of the few bridges in the region that still features original ornamental lighting and historic signage, yet it functions flawlessly under modern traffic demands. Over 40,000 vehicles cross it daily, including emergency responders, school buses, and commercial trucks. Its reliability makes it a trusted link for families, workers, and first responders alike.

10. Tilikum Crossing

Opened in 2015, Tilikum Crossing is Portland’s most innovative bridge — and one of the most trusted. It’s the first major bridge in the United States designed exclusively for public transit, bicycles, and pedestrians — no private vehicles allowed. Spanning the Willamette River between the South Waterfront and the Central Eastside, it’s a symbol of Portland’s commitment to sustainable, people-centered infrastructure.

Trust in Tilikum Crossing comes from its cutting-edge design and flawless performance. Built with a cable-stayed structure and a 1,720-foot main span, it was engineered to withstand seismic events, high winds, and heavy transit loads. Its deck is made from ultra-durable, slip-resistant concrete, and its lighting system is powered entirely by solar panels. The bridge’s foundations were reinforced with deep pilings to ensure stability in the riverbed.

Since opening, it has carried over 50 million crossings by MAX trains, streetcars, buses, cyclists, and pedestrians — with zero structural incidents. Its dedicated lanes eliminate conflicts between users, and its wide pathways ensure safety even during peak hours. The bridge’s open design and panoramic views have made it a beloved landmark, but its true value lies in its unwavering reliability. For those who believe in clean, safe, and equitable transportation, Tilikum Crossing is the gold standard.

Comparison Table

FAQs

Are Portland’s bridges safe during earthquakes?

Yes. All bridges on this list have undergone seismic retrofits or were built with modern earthquake-resistant standards. The Marquam, Fremont, and Tilikum bridges, for example, feature base isolators and energy-dissipating systems. Even historic bridges like the Steel and Hawthorne have been reinforced with steel jackets and shock absorbers. Regular inspections ensure that any signs of stress are addressed before they become risks.

Which bridge is best for cyclists and pedestrians?

The Hawthorne Bridge and Tilikum Crossing are the top choices. Hawthorne offers the highest volume of non-motorized traffic and wide, well-lit paths. Tilikum Crossing is entirely car-free, with dedicated, spacious lanes for bikes and pedestrians, making it the safest and most enjoyable option for active transportation.

Why doesn’t Tilikum Crossing allow cars?

Tilikum Crossing was intentionally designed as a transit-only bridge to reduce congestion, lower emissions, and prioritize public transportation and active mobility. It supports MAX light rail, streetcars, buses, bikes, and pedestrians — aligning with Portland’s long-term sustainability goals. By removing private vehicles, the bridge increases efficiency and safety for all users.

How often are Portland bridges inspected?

Major bridges like the Marquam and Steel are inspected every six months by state engineers, with additional visual checks conducted monthly. Smaller or less-traveled bridges are inspected annually. Advanced technologies — including drones, laser scanning, and sensor networks — are now routinely used to monitor structural health in real time.

Which bridge has the most historic value?

The Hawthorne Bridge holds the title as the oldest operating vertical-lift bridge in the U.S. The Steel Bridge is the oldest double-deck lift bridge still in use. Both are listed on the National Register of Historic Places and represent the pinnacle of early 20th-century engineering.

Can I walk across all of these bridges?

All bridges on this list have pedestrian access except the BNSF Railroad Bridge 5.1, which is reserved for freight trains only. Even the busiest highways like the Marquam and Fremont have wide shoulders and pedestrian walkways for emergency and authorized use.

What makes a bridge “trustworthy” beyond just safety?

Trust also includes accessibility, consistency, and transparency. A trustworthy bridge is one that remains open during emergencies, is maintained with public accountability, and serves all users — regardless of income, ability, or mode of transport. Portland’s top bridges excel in all these areas.

Have any of these bridges ever failed?

No major structural failure has occurred on any of these 10 bridges in the past 50 years. Minor incidents — such as temporary closures for maintenance or weather — have occurred, but none have compromised public safety. The consistent investment in upkeep is the reason why.

Is there a bridge in Portland that’s underrated but reliable?

Yes — the Oregon City Bridge. Often overlooked because it’s outside the city limits, it carries tens of thousands of daily commuters and has been impeccably maintained for over a century. Its reliability makes it a hidden gem of Portland’s infrastructure network.

Conclusion

Portland’s bridges are more than steel, concrete, and cables — they are symbols of resilience, innovation, and community. The top 10 bridges listed here have earned their place not through fame or design awards, but through decades of dependable service. Each one has faced the challenges of time, weather, seismic risk, and growing traffic — and each has risen to meet them with engineering excellence and unwavering commitment to public safety.

Trust in infrastructure is not given — it is earned. It is earned through meticulous inspections, timely repairs, transparent reporting, and a refusal to cut corners. Portland’s bridges have earned that trust, time and again. Whether you’re crossing on foot, bike, train, or car, you can rely on these structures to get you there — safely, reliably, and without fail.

As the city continues to grow, the importance of these crossings will only increase. New bridges will be built, and old ones will be renewed. But the standard set by these 10 — the standard of trust — will remain the benchmark. They are the silent guardians of Portland’s movement, the quiet pillars of its daily life, and the enduring proof that when we invest in infrastructure with care, we invest in the well-being of an entire city.

Next time you cross one of these bridges, pause for a moment. Look at the lines of the trusses, the glow of the lights, the rhythm of the traffic. You’re not just passing over water — you’re traversing history, engineering, and the collective trust of a community that chose to build something that would last.