| Ambassador Bridge: Official information on this connection between Detroit, Michigan, and Windsor, Ontario, Canada. |
| Brent Spence Bridge: Project to rehabilitate or replace this sturcture which carries Interstates 71 and 75 over the Ohio River at Cincinnati. Site includes maps of planned alternatives, and feedback page. |
| Bridges, Borders and Ferries: Michigan Department of Transportation page with synopses of major crossings, including toll rates. Also contains a history section. |
| Cincinnati-Transit.net: Contains details on transit, including bridges and major highways, in the Indiana-Kentucky-Ohio region. |
| Construction of Natcher Bridge: A series of pictures of the new William H. Natcher Bridge carrying U.S. 231 acros the Ohio River. Contains pictures dating from June 1997. |
| Covington-Cincinnati Suspension Bridge Committee: Volunteer group overseeing the Roebling Bridge over the Ohio River. Site includes news, photographs, and history. |
| Detroit-Windsor Tunnel: Official site for the structure connecting Michigan and Ontario, Canada. |
| Historical Bridges of Arkansas: Companion site to the show broadcast on the Arkansas Educational Television Network. Sorted by state region. |
| Iron and Early Steel Bridges of Ohio: Provides a list of the locations of the remaining vehicular iron and steel truss structures erected in the state before 1920. |
| Mackinac Bridge: Official information on the structure linking Michigan's two peninsulas. |
| Maumee River Crossing: Describes the plan to build a new fixed-span bridge to replace the drawbridge on I-280 in Toledo, Ohio. |
| Maumee-Perrysburg Bridge: Details the history of the various bridges at this crossing in Ohio, including one to be completed 2003. |
| New US Grant Bridge over the Ohio River: Weblog documenting this facility connecting Portsmouth to Kentucky. |
| Ohio Covered Bridge Homepage: Unofficial. Lists locations with maps, gives self-guided tour information, and contains links. |
| Oklahoma Bridges: Provides a photographic overview of historic steel and iron truss, wood and concrete facilities built circa 1890-1965. Includes photo galleries, some highway history and traces the history and development of civil and bridge engineering from the time period. |
| Ontario Michigan Border Transportation Planning/Need Feasibility Study: Details a study to build another national border crossing near the Detroit-Windsor area. |
| Selected Northeastern Ohio Bridges: Collection of photographs and information on disappearing historic iron and steel truss structures mostly along the Chagrin and Grand Rivers. |
| State of Ohio Bridge Photos: Complete coverage for state-maintained routes. Official site. |
| Straits of Mackinac and Mackinac Bridge: Private page which includes photographss, related facts, and links. |
| The Bridges Of Minneapolis And St. Paul: Covers major crossings in a seven-county area. Includes photographs. |
| The Ohio River Bridges: Project to build and upgrade cross-river facilities in the Louisville, Kentucky area. Site includes news, maps, and contact information. |
| U.S. Grant Bridge Replacement Project: Includes information and photos about this new bridge to connect Portsmouth, Ohio to South Shore, Kentucky, as well as the bridge it is replacing. |