Baltimore Road Bridge
Concrete arch bridge over Rock Creek on Baltimore Road in Rockville
Open to traffic
Built 1911

Elmhirst Parkway Bridge
Steel arch bridge over Rock Creek Tributary on Elmhirst Parkway in Bethesda
Open to traffic
Built 1940

Griffith Road Bridge
Concrete arch bridge over Hawlings River on Griffith Road in Laytonsville
Open to traffic
Built 1920

Haviland Mill Road Bridge
Concrete arch bridge over Hawlings River on Haviland Mill Road in Brookeville
Open to traffic
Built 1900

Kensington Parkway Bridge
Steel arch bridge over Rock Creek on Kensington Parkway in Kensington
Open to traffic
Built 1910

Kensington Parkway Bridge
Steel arch bridge over Silver Creek on Kensington Parkway in Kensington
Open to traffic
Built 1940

Kent Street Bridge
Steel arch bridge over Silver Creek on Kent Street in Kensington
Open to traffic
Built 1940

Montevideo Road Bridge
Pony truss bridge over Dry Seneca Creek on Montevideo Road in Poolesville
Open to traffic
Built 1910; rehabilitated 1989

North Branch Rock Creek Bridge
Concrete arch bridge over North Branch of Rock Creeek on MD 115
Open to traffic
Built 1917; rehabilitated 1970

Northwest Branch Bridge
Concrete arch bridge over Northwest Branch on US 29 in White Oak
Open to traffic
Built 1920; rehabilitated 1961

Patuxent River Bridge
Concrete arch bridge over Patuxent River on MD 108
Open to traffic
Built 1928

Sligo Creek Bridge
Concrete arch bridge over Sligo Creek on MD 195
Open to traffic
Built 1932

Zion Road Bridge
Concrete arch bridge over Hawlings River on Zion Road in Laytonsville
Open to traffic
Built 1930