Skip to Content
Streetsblog USA home
Streetsblog USA home
Log In
Streetsblog.net

Portland Will Connect Streets Over a Highway With a Car-Free Bridge

Portland's newest car-free bridge will complete a key bike route. Image via Bike Portland
Portland's newest car-free bridge will complete a key bike route. Image via Bike Portland
false

Here's one way to heal some of the damage created by urban interstates.

Jonathan Maus at Bike Portland reports that the city has won a $2.6 million state grant to help it complete a key bike route. To fill in the missing segment, Portland has to create a path across a big sunken highway. So the city will use the grant, combined with some local funds, to build a bike and pedestrian bridge over I-405.

Maus explains why this is such a smart investment:

Portland leaders have been working for over a decade to close this gap. Former mayor Sam Adams first proposed the idea of a new bridge over Flanders in 2006 when he was PBOT Commissioner. He continued to work on the project until his run for mayor in 2008 but was not able to make it happen.

According to the city’s grant application, the bridge would likely average about 3,000 crossings as soon as it opens as people shift their routes from the busy and high-stress crossings at Everett, Glisan and Couch. Once greenway elements like speed bumps, signage, and diverters are added to the street, it’s estimated that the new bridge would see 9,100 trips per day. That’s more than the amount of daily bike trips over the Hawthorne Bridge.

Given its low cost and high estimated usage (thanks to its location in dense northwest), we’ve reported that it could be the city’s best bridge project in years.

Many other American cities could stitch together their walking and biking networks by creating car-free crossings over highway trenches, if leaders make it a priority.

Elsewhere on the Network today: Stop and Move reports that California's Amtrak lines are benefitting from Wisconsin's refusal of federal High Speed Rail funding. And Transport Providence estimates how many parking spaces would have to be repurposed to create a high-quality citywide bicycle network.

Stay in touch

Sign up for our free newsletter

More from Streetsblog USA

Confirmed: Non-Driving Infrastructure Creates ‘Induced Demand,’ Too

Widening a highway to cure congestion is like losing weight by buying bigger pants — but thanks to the same principle of "induced demand," adding bike paths and train lines to cure climate actually works.

January 9, 2026

Friday’s Headlines Are Unsustainably Expensive

To paraphrase former New York City mayoral candidate Jimmy McMillan, the car payment is too damn high.

January 9, 2026

Talking Headways Podcast: Poster Sessions at Mpact in Portland

Young professionals discuss the work they’ve been doing including designing new transportation hubs, rethinking parking and improving buses.

January 8, 2026

Exploding Costs Could Doom One of America’s Greatest Highway Boondoggles

The Interstate Bridge Replacement Project and highway expansion between Oregon and Washington was already a boondoggle. Then the costs ballooned to $17.7 billion.

January 8, 2026

Mayor Bowser Blasts U.S. DOT Talk of Eliminating Enforcement Cameras in DC

The federal Department of Transportation is exploring how to dismantle the 26-year-old enforcement camera system in Washington, D.C.

January 8, 2026

Thursday’s Headlines Are Making Progress

By Yonah Freemark's count, 19 North American transit projects opened last year, with another 19 coming in 2026.

January 8, 2026
See all posts