A&O’s foundation is grounded in bridge design, with deep and varied experience among the professional staff. A&O’s experience ranges from pre-engineered greenway bridge foundations to multi-level urban interchange curved-girder steel bridges. Greenway bridges have included natural timber and glue-laminated materials with composite recycled decking. DOT bridges have included conventional construction materials including reinforced concrete, precast prestressed concrete, and structural steel.
A&O Provides Site Specific Solutions for Your Needs and Aspirations.
A&O’s one-of-a-kind bridge design that required an innovative solution to a challenging set of constraints was the floating swing-span bridge needed to transit the historic Dismal Swamp Canal in South Mills, North Carolina.
To experience this innovative bridge design for yourself, stop by the Dismal Swamp State Park. http://www.ncparks.gov/Visit/parks/disw/main.php