Historic Bridges of Michigan and Elsewhere: Contains photographs and historic backgrounds of various old facilities in the Great Lakes region. Includes in-depth articles about types in general.
Niagara Falls Bridge Commission: Maintains three bridges across the Niagara River between New York, U.S., and Ontario, Canada. Site includes overviews, traffic statistics, and toll information.
North American Cable Stay Bridge Registry: Highlights each facility and includes some photographs.
Thousand Islands Bridge Authority: Maintains the bridge system connecting New, York, U.S., to Ontario, Canada. Site includes wait time information, contact information, bridge facts, and tourist information.