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: RED LION BRANCH
0.27 MILE NORTH OF MD 290, Queen Anne's, MD
Over: CABIN BRANCH
0.03 MI N OF MD 711, Anne Arundel, MD
Over: GWYNNS FALLS
0.4 MI NE LIBERTY RD, Baltimore, MD
Over: SAVAGE RIVER
.01 MILE WEST OF US 40AL, Garrett, MD
Over: BRANCH OF WYE RIVER
.06 M N OF TALBOT CO LINE, Queen Anne's, MD
Over: LOCUST RUN
1.62 MILES SOUTH OF MD 5, St. Mary's, MD
Over: CSX
1 MI E OF I-95, Baltimore city, MD
Over: HUNTING CREEK
CUNN. FALLS STATE PARK, Frederick, MD
Over: CSXT RAILROAD
0.5 MI EAST OF MD 355, Montgomery, MD
Over: INDIAN CREEK
0.9 MI NORTH OF MD 193, Prince George's, MD
Over: BROWNS BRANCH
0.73 MI. NE OF MD 300, Queen Anne's, MD
Over: NORTH BRANCH OF THE POTO
ON WEST VIRGINIA LINE, Garrett, MD
Over: ANTIETAM CREEK
ANTIETAM MD, Washington, MD
Over: RED RUN
0.6 MI SOUTH OF I-795, Baltimore, MD
Over: GREAT BOHEMIA CREEK
0.04 MI N OF BUNKER HI R, Cecil, MD
Over: MARLEY CREEK
0.13 M N OF PHELPS AVENUE, Anne Arundel, MD
Over: MILL CREEK
0.83 MILE EAST OF MD 222, Cecil, MD
Over: BIG RUN
0.16 MI NW SAVAGE RIVER R, Garrett, MD
Over: MD ROUTE 212
1.8 MILES SOUTH OF MD ROU, Prince George's, MD
Over: OCTORARO CREEK
0.88 MILE SOUTH OF US 1, Cecil, MD
Over: TRIB. OF CATOCTIN CREEK
0.3 MI W OF MT TABOR RD, Frederick, MD
Over: NORTHWEST BRANCH
0.05 MILE SOUTH OF MD 320, Prince George's, MD
Over: HAMBURG ST
Milepost 1.4, Baltimore city, MD
Over: BEAVERDAM CREEK
4.7 MILES S. OF MD. 16, Dorchester, MD
Over: SPICER CREEK
2.53 MILES W. OF MD. 335, Dorchester, MD
Over: ST JOHN CREEK
0.07 MI. E. OF PUNCH IS R, Dorchester, MD
Over: GOOSE CREEK
0.37 MI S OF TODDVILLE RD, Dorchester, MD
Over: FARM CREEK
0.68 MI. N. OF TODDVILLE, Dorchester, MD
Over: POKATA CREEK
7.93 MI.S. OF LEWIS W. RD, Dorchester, MD
Over: STOUT BOTTLE BRANCH
0.2 MILES W OF MD 543, Harford, MD
Over: GUNNERS BRANCH
1.21 MILES EAST OF MD 118, Montgomery, MD
Over: LOTTSFORD BRANCH
0.63 MI WEST OF MD 193, Prince George's, MD
Over: WILLS BRANCH
1.1 MI S LOCUST GROVE DR, Charles, MD
Over: AMTRAK RAILROAD
0.3 MILES SE OF MD 159, Harford, MD
Over: UNNAMED STREAM
1.5 MI EAST OF RTE 1, Howard, MD
Over: UNNAMED STREAM
0.4 Mile West of MD 1, Howard, MD
Over: PETERS CREEK
1 MI NW OF MD RTE 349, Wicomico, MD
Over: COULTON RUN
0.13 MI WEST OF US RT. 1, Baltimore, MD
Over: CHOPTANK RIVER
0.04 MILE WEST OF MD 313, Caroline, MD
Over: GRANNY FINLEY BRANCH
1.1 MI. WEST OF MD 213, Queen Anne's, MD
Over: SAINT JAMES RUN
1.0 MI NE OF MD RTE 68, Washington, MD
Over: SOUTH BRANCH OF PATAPSCO
WATERSVILLE RD 2.81, Carroll, MD
Over: NORWICH CREEK
ON TALBOT CO LINE, Queen Anne's, MD
Over: WESTERN RUN
0.1 MI N CROSS COUNTRY BL, Baltimore city, MD
Over: LITTLE MONOCACY RIVER
0.6 MI S OF JCT SR 28, Montgomery, MD
Over: PASSERDYKE CREEK
ON SOMERSET CO LINE, Wicomico, MD
Over: REDHOUSE CREEK
0.79 MILES EAST OF US 1, Baltimore, MD
Over: FLAT RUN
0.75 MILE SOUTH OF US 15, Frederick, MD
Over: TRIB OF PATUXENT RIVER
1000 FT S BOWIE RACE TRCK, Prince George's, MD
Over: ANTIETAM CREEK
1.9 MILES EAST OF MD 65, Washington, MD
Showing 3,451-3,500 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 |