Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.
Total Bridges
5,527
Public highway bridges in Maryland
Good Condition
25.9%
1,432 bridges rated 7-9
-24.1pp vs 50% benchmark
Poor Condition
4.3%
236 bridges rated 0-4
Structurally Deficient
4.3%
236 bridges flagged for repair priority
-2.7pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Maryland on the same metric.
09
47
24
08
41
Six lowest-condition bridges in Maryland, ranked by composite NBI rating. Each is inspected at least every 24 months.
Over: BEAR CREEK
0.01 MI N OF WALNUT ST, Garrett, MD
Over: HAWLINGS RIVER
2.8 MILES NORTH OF MD 108, Montgomery, MD
Over: BEAVER CREEK
0.1 MI W OF ALT US RTE 40, Washington, MD
Over: WATERSPOUT RUN
2.63 MI. WEST MD 25, Baltimore, MD
Over: CSX RAILROAD
0.1 MI NW OF US RTE 40, Baltimore, MD
Over: LITTLE PATUXENT RIVER
0.5 MI W OF US RTE 29, Howard, MD
Over: GALLOWAY CREEK
0.1 MILE NORTH OF MD 4, Anne Arundel, MD
Over: LITTLE GUNPOWDER FALLS
0.8 MI E. of OLD YORK RD, Baltimore, MD
Over: LAUREL RUN
POTOMAC GARRETT ST FOREST, Garrett, MD
Over: ST. CLEMENTS CREEK
0.9 MI W OF MD RTE 242, St. Mary's, MD
Over: GILLIS FALLS
2.51 MILES E OF MD 27, Carroll, MD
Over: BIG ELK CREEK
2 MI N OF MD RTE 273, Cecil, MD
Over: TRANSQUAKING RIVER
1.38 MILES S OF AIREYS RD, Dorchester, MD
Over: NORTHEAST BRANCH
0.16 MI W OF MD 201, Prince George's, MD
Over: COLLEGE CREEK
0.3 MILE WEST OF MD 435, Anne Arundel, MD
Over: PATUXENT RIVER
ON THE PG COUNTY LINE, Anne Arundel, MD
Over: TRIBUTARY TO HORSEHEAD B
AT LAMBORN RD INTERSECT, Baltimore, MD
Over: TRIBUTARY OF TUSCARORA C
WEST OF HARVARD PLACE, Frederick, MD
Over: BUSH CREEK
0.1 MI W OF IJAMSVILLE RD, Frederick, MD
Over: DEER CREEK
0.2 MI S OF GORSUCH RD, Baltimore, MD
Over: LITTLE PIPE CREEK
0.48 MI S OF MD 75, Carroll, MD
Over: MARYLAND MIDLAND RR
0.18 MILE NORTH OF MD 77, Frederick, MD
Over: UNNAMED STREAM
1.5 MILES NORTH OF MD 214, Prince George's, MD
Over: TRIBUTARY OF EDGEMONT RE
0.95 MI SE OF MD RTE 491, Washington, MD
Over: MILL RUN
0.01 MI S MILL RUN RD, Garrett, MD
Over: ROLAND RUN
0.874 MILE WEST OF MD 45, Baltimore, MD
Over: BRICE RUN
0.37 MI N OF DAVIS AVENUE, Baltimore, MD
Over: LITTLE HUNTING CREEK
1.12 MI W OF US RTE 15, Frederick, MD
Over: SAVAGE RIVER
2.8 MI S OF MD RTE 40, Garrett, MD
Over: BR OF OTTER POINT CREEK
0.41 MILE EAST OF MD 24, Harford, MD
Over: CEDAR LANE
1.19 MILE NORTH OF US 29, Howard, MD
Over: CEDAR LANE
1.19 MILE NORTH OF US 29, Howard, MD
Over: PATUXENT RIVER
ON HOWARD CO LINE, Prince George's, MD
Over: BEAVERDAM CREEK
0.12 MI EAST OF US 13, Worcester, MD
Over: CAREY BRANCH
0.66 MI SE OF US 113, Worcester, MD
Over: ALLENS FRESH RUN
0.28 MILES EAST OF US 301, Charles, MD
Over: LITTLE CATOCTIN CREEK
1.3 MI N OF MD RTE 17, Frederick, MD
Over: WOLFDEN RUN
NORTH HILL ROAD, Garrett, MD
Over: TRIBUTARY OF FISHING CRE
WEST OF OLD FREDERICK RD, Frederick, MD
Over: BUFFALO CREEK
1.5 MI W OF I 83, Baltimore, MD
Over: NYDEGGER RUN
0.36 MILE NORTH OF US 50, Garrett, MD
Over: MD ROUTE 201
0.8 MILES SOUTH OF MD ROU, Prince George's, MD
Over: GREAT SENECA CREEK
2.0 MILES NORTH OF MD 124, Montgomery, MD
Over: BRADDOCK RUN
0.06 MI N OF US 40AL, Allegany, MD
Over: BIG PIPE CREEK
0.5 MI EAST OF MD 97, Carroll, MD
Over: OHIO BRANCH
0.55 MI N OF BACKWOODS RD, Carroll, MD
Over: BUSH CREEK
0.25 MI N OF BALL RD, Frederick, MD
Over: TRIB TO PATUXENT RIVER
0.2 MI EAST OF US 1 NB, Prince George's, MD
Over: BEAR CREEK
MILEPOST M46.2, Baltimore, MD
Over: BEAR CABIN BRANCH
1.7 MILES N OF MD 152, Harford, MD
Over: LOWER LEVEL ROADWAY
BWI AIRPORT, Anne Arundel, MD
Over: LITTLE PIPE CREEK
0.06 MILE NORTH OF MR 84, Carroll, MD
Over: NORTHEAST CREEK
0.62 MILE NORTH OF MD 274, Cecil, MD
Over: WASHINGTON RUN
1.05 MILES EAST OF US 15, Frederick, MD
Over: GLADE RUN
2.33 MILES NORTH OF US 50, Garrett, MD
Over: WOODLAND CREEK
0.09 M S OF DAVES HILL RD, Kent, MD
Showing 3,901-3,950 of 5,527 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |