Astoria–Megler Bridge

The Astoria-Megler Bridge is a continuous steel truss crossing of the Columbia River linking Oregon and Washington, measuring 6545 meters from end to end. Near the Oregon shore, a cantilever section rises above the water to let tall-masted vessels pass underneath.

Construction began in November 1962, when concrete piers were cast at Tongue Point and steel segments fabricated in Vancouver. The segments traveled downstream by barge and were assembled on site to complete the route across the wide river delta.

Each year during the Great Columbia Crossing event, walkers claim the road deck and follow the span from shore to shore. Many pause at overlooks to watch ships navigate the wide channel below.

Two lanes of US Route 101 carry drivers and cyclists across the river, while stiff wind gusts can reach the roadway. In rough weather it pays to slow down and watch for side drafts.

A 752-meter cantilever section on the Oregon side makes this the longest continuous truss bridge in North America. That span opens without a center support, letting cargo vessels with tall superstructures pass below.

Location: Washington

Location: Astoria

Inception: 1966

Length: 6,545 m

Longest Span: 752 m

GPS coordinates: 46.21725,-123.86291

Latest update: December 13, 2025 19:10