Bridges and Tunnels in North America

• Canada
• United States

• Regional: North America: Transportation 

• Historic Bridges of Michigan and Elsewhere  - Highlights the historic bridges in featured location. With a map profile and inventory of old bridges included.
• Niagara Falls Bridge Commission  - Description of the constructed bridge providing transportation to the Niagara falls.
• North American Cable Stayed Bridge Registry  - Listing of various bridge infrastructures in different cities. Includes photos as well.
• Thousand Islands Bridge Authority  - Introduces related information about the construction of bridges. Presents conducted studies as well.