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interstate bridges with Bicycle Access

Find out more by reading the report Bridging the Gaps in Bicycling Networks: An advocate’s guide to getting bikes on bridges.

Interstate/Bridge Location Facility Type
I-5 Columbia River Vancouver, WA Sidewalks on both sides.
I-10 Colorado River, Blythe, CA  
I-66 /Theodore Roosevelt Memorial Bridge Potomac River, Washington, D.C. Opened in 1964, no records of when bike/ped access opened- Immediately adjacent sidewalks on each side separated by guard rail.
I-76 Ben Franklin Bridge PA-NJ  
I-80 Bay Bridge San Francisco Bay Bike facilities to be included on east span. 68 year campaign still in progress for west span.
I-80 Delaware Delaware Water Gap, NJ/PA Part of Appalachian Trail.
I-80 Yolo Causeway Bridge Sacramento and Davis, CA Approximately 3-mile section over the Yolo Bypass that includes a bike path physically separated by a barrier from the westbound traffic lanes.
I-80 Carquinez Bridge Vallejo and Crockett, CA, over Carquinez Strait and San Pablo Bay 12-foot-wide path separated bicycle/pedestrian path.
I-82 Columbia River Bridge Columbia River, WA/OR Currently under design.
I-84 Bulkley Bridge Connecticut River, Hartford, CT Sidewalk on south side of bridge for bicycle/pedestrian use, separated by concrete barrier.
I-84 Hamilton Fish Newburgh-Beacon Bridge Hudson River, NY In 1980, a second bridge -- with 8-foot bicycle lanes -- was built parallel to the original 1963 bridge.
I-90 Fox River in the Chicago area Bicycle path underneath the main bridge.
I-90 Seattle Lake Washington, Seattle, WA Motor traffic lanes plus bike/ped lane immediately adjacent, separated by a cement barrier.
I-95 Scudder Falls bridge Pennsylvania and New Jersey  
I-95 George Washington Bridge NY-NJ Includes a sidewalk accessible to pedestrians on the south side and a path accessible to bicyclists and pedestrians on the north side.
I-95 Gold Star Memorial Bridge Thames River, New London, CT The bridge's southbound span has a sidewalk/bike path.
I-95 Woodrow Wilson Bridge  MD/VA 1.1 mile, 12-foot wide multi-use trail allows bikers and pedestrians to travel between Alexandria, Va. Across District of Columbia boundary and into Prince George’s County, Md.
I-278 Triboro Bridge New York City Narrow pathway across 2 mile span; cyclists required to walk bikes.
I-279 Allegheny River in Pittsburgh 12 ft ADA compliant ped/bike lane cantilevered off the superstructure.
I-395/ George Mason Memorial Bridge/14th St. Bridge Potomac River, Washington, D.C. Immediately adjacent sidepath separated via jersey barriers- southbound span bike/ped access opened in 1962.
I-494/ Wakota Bridge Mississippi River near Minneapolis, Minnesota Immediately adjacent to the freeway, separated by a stone barrier with pathway maintained by St. Paul.
I-680/George Miller Jr. Bridge Benicia-Martinez Bridge/San Francisco Bay  

Source: Thanks to Brent Hugh of the Missouri Bicycle and Pedestrian Federation for compiling the majority of these bridges: http://mobikefed.org/2006/05/bicycle-paths-on-interstate-freeway.php

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