Midwest
Ambassador Bridge, Bridges, Borders and Ferries, Cincinnati-Transit.net, Detroit-Windsor Tunnel, Iron and Early Steel Bridges of Ohio, Mackinac Bridge, Maumee River Crossing, Maumee-Perrysburg Bridge, Ohio Covered Bridge Homepage, Oklahoma Bridges
Northeast
BostonRoads.com, Bridge Tolls Now!, Dingmans Bridge, Metropolitan Transportation Authority, Nycroads.com, Phillyroads.com, The Port Authority of New York & New Jersey, WWB Project Website
South and Southeast
Cumberland Gap Tunnel, Greater New Orleans Expressway Commission, Harahan Bridge: 4-Wheel Drive Safari Tour, LeeWay, Mid-Bay Bridge, Santa Rosa Bay Bridge Project, Steven M. Fall, P.E., The Sunshine Skyway Disaster, US 82 Greenville Bridge, WWB Project Website
West
3rd Street Tunnel of Los Angeles, Foresthill Bridge, Oregon's Covered Bridges, The Bridges of Portland, Oregon, Whittier Tunnel
Historic Bridges of the Midwest
Database which also contains news and images. Also covers facilities outside of the core region.
Midwestbridges.com
Site contains the National Bridge Inventory Data and a Bridge Picture Gallery for Arkansas, Illinois, Iowa, Kansas, Missouri, Nebraska, Oklahoma, and Texas.
Roads and Bridges
Various views from Boston, Massachusetts; Louisville, Kentucky; Minnesota; and Wisconsin.