Bridge and tunnel crossings

Columbia River (11)
Mississippi River (6)
Susquehanna River (6)
Tampa Bay Area (4)
Vancouver BC Area (8)
Willamette River (24)
Other Crossings (4)

Columbia River (11)

Bridge Locale Routes Notes
Astoria-Megler Bridge Astoria OR–Megler WA US Route 101
Lewis and Clark Bridge Kelso/Longview WA Washington State Route 433
Burlington Northern RR Bridge 9.6 Vancouver WA–Portland OR Crossed via train only
Interstate Bridge Vancouver WA–Portland OR Interstate 5 Crossed by auto, by bicycle, and on foot (southbound bridge only)
One of eight movable bridges on the Interstate Highway System
Glenn L Jackson Memorial Bridge Vancouver WA–Portland OR Interstate 205 Crossed by auto and by bicycle
Bridge of the Gods Cascade Locks OR
Hood River Bridge Hood River OR
The Dalles Bridge The Dalles OR–Dallesport WA US Route 197
Sam Hill Memorial Bridge Biggs Junction OR–Maryhill WA US Route 97
Umatilla Bridge
Northbound only
Umatilla OR–Plymouth WA Interstate 82 US Route 395
Vantage Bridge Vantage WA Interstate 90

Mississippi River (6)

Bridge Locale Routes Notes
Crescent City Connection New Orleans LA
Business US Route 90 Business
Interstate 910
Huey P Long Bridge New Orleans LA US Route 90
Hale Boggs Memorial Bridge Destrehan LA Interstate 310 First cable-stayed bridge to be added to the Interstate Highway System
Veterans Memorial Bridge Gramercy LA Louisiana Highway 3213
Horace Wilkinson Bridge Baton Rouge LA Interstate 10 Highest bridge on the Mississippi River
Poplar Street Bridge St Louis MO–East St Louis IL
Interstate 55
Interstate 64
US Route 40
Former
Interstate 70

Susquehanna River (6)

Bridge Locale Routes
Millard E Tydings Memorial Bridge Havre de Grace–Perryville MD Interstate 95
George N Wade Memorial Bridge Harrisburg PA Interstate 81
C Fred Johnson Bridge Johnson City NY New York State Route 201
State Street Bridge Binghamton NY New York State Route 434
Interstate Bridges Hallstead–Great Bend PA Interstate 81
NY 17 bridges Windsor NY
New York State Route 17
Future
Interstate 86

Tampa Bay Area (4)

Bridge Routes
Sunshine Skyway Bridge Interstate 275 US Route 19
Gandy Bridge US Route 92
Howard Frankland Bridge Interstate 275
Courtney Campbell Causeway Florida State Road 60

Vancouver BC Area (8)

Bridge Locale Routes Notes
Port Mann Bridge Fraser River British Columbia Highway 1 Widest bridge in the world at time of construction
Ironworkers Memorial Second Narrows Crossing Burrard Inlet British Columbia Highway 1
Lions Gate Bridge Burrard Inlet British Columbia Highway 99 British Columbia Highway 1A
Cambie Bridge False Creek Crossed on foot only
Granville Street Bridge False Creek British Columbia Highway 99
Oak Street Bridge North Arm Fraser River British Columbia Highway 99
George Massey Tunnel Fraser River British Columbia Highway 99
Alex Fraser Bridge Fraser River British Columbia Highway 91

Willamette River (24)

Bridge Locale Routes Notes
St Johns Bridge Portland OR
Bypass US Route 30 Bypass
Tallest bridge in Portland OR
Burlington Northern RR Bridge 5.1 Portland OR Crossed via train only
Fremont Bridge Portland OR Interstate 405 US Route 30 Crossed by auto and by bicycle
Broadway Bridge Portland OR Crossed by auto and by bicycle
Steel Bridge Portland OR MAX Light Rail
Former
Oregon Route 99W
Crossed by auto, bicycle (upper and lower decks), and MAX Light Rail
Burnside Bridge Portland OR Former
US Route 30
Crossed by auto, by bicycle, and on foot
Morrison Bridge Portland OR Crossed by auto, by bicycle, and on foot
Hawthorne Bridge Portland OR Crossed by auto, by bicycle, and on foot
Marquam Bridge Portland OR Interstate 5 Crossed by auto and by bicycle
Tilikum Crossing Portland OR MAX Light Rail Orange Line
Buses
Portland Streetcar
Crossed only by MAX Light Rail, by bicycle, and on foot
Ross Island Bridge Portland OR US Route 26 Crossed by auto and by bicycle
Sellwood Bridge Portland OR
Abernethy Bridge Oregon City OR Interstate 205
Boone Bridge Wilsonville OR Interstate 5
Oregon Route 219 Bridge Newberg OR Oregon Route 219
Center Street Bridge Salem OR Oregon Route 22
Ellsworth Street Bridge Albany OR US Route 22
Harrison Street Bridge Corvallis OR Oregon Route 34
Corvallis Bypass Bridge Corvallis OR
Bypass Oregon Route 34
Oregon Route 99E Bridge Harrisburg OR Oregon Route 99E
Beltline Highway eastbound Eugene OR Oregon Route 569
Washington-Jefferson Street Bridge Eugene OR Interstate 105 Oregon Route 126
Ferry Street Bridge Eugene OR
Whilamut Passage Bridge Eugene OR Interstate 5

Other Crossings (4)

These are bridges and tunnels I’ve crossed that are notable for some reason—probably because I've crossed them on foot or there’s something unique about the bridge or tunnel itself.

Bridge Locale Routes Notes
Biloxi Bay Bridge Biloxi Back Bay US Route 90 Crossed by auto and on foot
Perrine Bridge Snake River
Twin Falls ID
US Route 93 Crossed by auto and on foot
8th highest bridge in US
San Francisco–Oakland Bay Bridge San Francisco–Oakland CA Interstate 80 Widest bridge in the world
Brooklyn Bridge New York NY Crossed on foot only
First bridge crossed on foot