Apples Church Road Bridge
Truss bridge over Owens Creek on Apples Church Road in Thurmont
Open to traffic
Built 1917

Ballenger Creek Bridge
Concrete arch bridge over Ballenger Creek on MD 85
Open to traffic
Built 1926; rehabilitated 1950

Bennies Hill Road Bridge
Truss bridge over Catoctin Creek on Bennies Hill Road in Middletown
Open to traffic

Blacks Mill Road Bridge
Truss bridge over Hunting Creek on Blacks Mill Road
Open to traffic
Built 1914

Bullfrog Road Bridge
Truss bridge over Monocacy River on Bullfrog Road in Emmitsburg
Open to traffic
Built 1908

Catoctin Creek Bridge
Through truss bridge over Catoctin Creek on MD 17
Open to traffic
Built 1934

Catoctin Creek Bridge
Concrete arch bridge over Catoctin Creek on US 40 in Myersville
Open to traffic
Built 1936

Catoctin Creek Bridge
Concrete arch bridge over Catoctin Creek on US 40 ALT
Open to traffic
Built 1923

Catoctin Creek Bridge
Concrete arch bridge over Catoctin Creek on MD 180
Open to traffic
Built 1928

Catoctin Creek Bridge
Pony truss bridge over Catoctin Creek on MD 464
Open to traffic
Built 1934

Church Hill Road Bridge
Truss bridge over Middle Creek on E. Church Hill Road in Myersville
Open to traffic
Built 1908

Creamery Road Bridge
Truss bridge over Toms Creek on Creamery Road in Emmitsburg
Open to traffic
Built 1928

Crow Rock Road Bridge
Truss bridge over Middle Creek on Crow Rock Road in Myersville
Open to traffic

Dixon Road Bridge
Truss bridge over Bennett Creek on Dixon Road
Open to traffic
Built 1904

Flat Run Bridge
Concrete arch bridge over Flat Run on US 15 BU
Open to traffic
Built 1927

Friends Creek Road Bridge
Pony truss bridge over Friends Creek on Friends Creek Road
Open to traffic
Built 1910; rehabilitated 2002

Grimes Road Bridge
Truss bridge over Toms Creek on Grimes Road
Open to traffic
Built 1914

Hoovers Mill Road Bridge
Truss bridge over Owens Creek on Hoovers Mill Road in Thurmont
Open to traffic
Built 1910

Keysville Road Bridge
Truss bridge over Tom'S Creek on Keysville Road in Emmitsburg
Open to traffic

LeGore Bridge
Five-span stone arch bridge over Monocacy River on LeGore Bridge Road in Woodsboro
Open to traffic
Built 1903; rehabilitated 1981

Little Catoctin Creek Bridge
Concrete arch bridge over Little Catoctin Creek on US 40
Open to traffic
Built 1936

Middle Creek Bridge
Concrete arch bridge over Middle Creek on US 40 in Myersville
Open to traffic
Built 1936

Monocacy River Bridge
Through truss bridge over Monocacy River on MD 26 in Frederick
Open to traffic
Built 1932; rehabilitated 1980

Monocacy River Bridge
Through truss bridge over Monocacy River on MD 28
Open to traffic
Built 1931

Monocacy River Bridge
Deck truss bridge over Monocacy River on MD 144FA EB in Frederick
Open to traffic
Built 1955; rehabilitated 1987

Monocacy River Bridge
Concrete arch bridge over Monocacy River on MD 144FA WB
Open to traffic
Built 1942

Monocacy River Bridge
Through truss bridge over Monocacy River on MD 77
Open to traffic
Built 1932

Monocacy River Bridge
Concrete arch bridge over Monocacy River on MD 140
Open to traffic
Built 1925

Monocacy River Bridge
Through truss bridge over Monocacy River on MD 355
Open to traffic
Built 1930; rehabilitated 1980

Old Mill Road Bridge
Truss bridge over Owens Creek on Old Mill Road
Open to traffic

Poffenberger Road Bridge
Truss bridge over Catoctin Creek on Poffenberger Road in Burkittsville
Open to traffic

Potomac River Bridge
Through truss bridge over Potomac River on US 15
Open to traffic
Built 1939; rehabilitated 1980

Reichs Ford Road Bridge
Truss bridge over Bush Creek on Reichs Ford Road
Open to traffic
Built 1911

Simpsons Mill Road Bridge
Truss bridge over Little Pipe Creek on Simpsons Mill Road
Open to traffic

Sixes Bridge Road Bridge
Truss bridge over Monocacy River on Sixes Bridge Road
Open to traffic
Built 1910

St. Marks Road Bridge
Truss bridge over Broad Run on St. Marks Road in Rosemont
Open to traffic

Station Road Bridge
Truss bridge over Catoctin Creek on Station Road in Middletown
Open to traffic
Built 1920

Stevens Road Bridge
Truss bridge over Hunting Creek on Stevens Road
Open to traffic

Sumantown Road Bridge
Truss bridge over Catoctin Creek on Sumantown Road
Open to traffic
Built 1910

Toms Creek Bridge
Concrete arch bridge over Toms Creek on US 15 BU
Open to traffic
Built 1923