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Maryland Bridges

5,484 bridges across 24 counties

Bridge Map

Summary

Total Bridges:5,484
Good Condition:1,771 (32%)
Fair Condition:3,463 (63%)
Poor Condition:250 (5%)
Average Age:52.8 years
Counties:24

Bridge Condition Distribution

Good
Fair
Poor
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Bridge Types

Bridge TypeCountPercentage
Stringer/Multi-beam or Girder2,67048.7%
Culvert1,32624.2%
Slab5329.7%
Arch - Deck2284.2%
Box Beam or Girders - Multiple1943.5%
Truss - Thru1442.6%
Tee Beam1312.4%
Frame961.8%
Girder and Floorbeam System821.5%
Box Beam or Girders - Single or Spread320.6%
Movable - Bascule220.4%
Truss - Deck90.2%
Arch - Thru70.1%
Channel Beam50.1%
Suspension20.0%
Movable - Swing20.0%
Segmental Box Girder10.0%
Other10.0%

Bridge Age Distribution

Bridges Built Over Time

Notable Bridges in Maryland

Most Trafficked Bridges

OLD FARM CREEK

Fair

County 031, Maryland

Daily Traffic: 265,320 vehicles

TUCKERMAN LANE

Fair

County 031, Maryland

Daily Traffic: 265,320 vehicles

STONEY BROOK DR ROCK CR

Fair

County 031, Maryland

Daily Traffic: 242,821 vehicles

Oldest Bridges

LITTLE FALLS

Fair

County 005, Maryland

Built in 1809 (216 years old)

ANTIETAM CREEK

Fair

County 043, Maryland

Built in 1823 (202 years old)

BEAVER CREEK

Fair

County 043, Maryland

Built in 1824 (201 years old)

Longest Bridges

CHESAPEAKE BAY

Fair

County 003, Maryland

Length: 10.0 meters

CHESAPEAKE BAY

Fair

County 003, Maryland

Length: 10.0 meters

POTOMAC RIVER

Good

County 017, Maryland

Length: 10.0 meters

Recently Built Bridges

View all
CHARLES BRANCHGood

County 033 • Built in 2024

CRYSTAL FALLS DRIVEGood

County 043 • Built in 2024

MD 65Good

County 043 • Built in 2023

MD 65Fair

County 043 • Built in 2023

TOMS RUNGood

County 043 • Built in 2023

STOCKETTS RUNGood

County 003 • Built in 2023

MD 295 BW PARKWAYGood

County 510 • Built in 2023

LITTLE PIPE CREEKGood

County 013 • Built in 2023

TRIB / LITTLE DEER CREEKGood

County 025 • Built in 2023

TRIBUTARY OF BYNUM RUNGood

County 025 • Built in 2023

Counties in Maryland

24 counties
Allegany County
245 bridges
Anne Arundel County
389 bridges
Baltimore County
783 bridges
Baltimore city County
374 bridges
Calvert County
33 bridges
Caroline County
70 bridges
Carroll County
205 bridges
Cecil County
193 bridges
Charles County
94 bridges
Dorchester County
47 bridges
Frederick County
486 bridges
Garrett County
139 bridges
Harford County
275 bridges
Howard County
309 bridges
Kent County
44 bridges
Montgomery County
515 bridges
Prince George's County
576 bridges
Queen Anne's County
88 bridges
Somerset County
46 bridges
St. Mary's County
50 bridges
Talbot County
42 bridges
Washington County
300 bridges
Wicomico County
99 bridges
Worcester County
82 bridges