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: MONROE STREET
RUSSELL ST VIA OV MONROE, Baltimore city, MD
Over: FAULKNER BRANCH
1.2 MILE NORTH OF MD 315, Caroline, MD
Over: ROOP BRANCH
.29 MILE NORTH OF MD 800B, Carroll, MD
Over: CABIN CREEK
1.84 MILE SOUTH OF MD 331, Dorchester, MD
Over: BALLENGER CREEK
1.74 MILES WEST OF IS 70, Frederick, MD
Over: MONOCACY RIVER
2.68 MILES N OF MD 194, Frederick, MD
Over: BUFFALO RUN
1.33 MI E OF MD RTE 42, Garrett, MD
Over: SWAN CREEK
0.26 MILE WEST OF MD 132B, Harford, MD
Over: TRIB / BYNUM RUN
0.8 MILES W OF MD 136, Harford, MD
Over: TIBER BRANCH
AT MAIN STREET, Howard, MD
Over: HAWLINGS RIVER
0.88 MILE SOUTH OF MD 650, Montgomery, MD
Over: DEEP CREEK
0.04 MI W OF MD 201, Prince George's, MD
Over: MANOKIN RIVER
0.08 MILE NORTH OF MD 918, Somerset, MD
Over: ROCKDALE RUN
0.8 MI SE OF MD 494, Washington, MD
Over: SPRING HILL BRANCH
0.61 MILE SOUTH OF MD 12A, Worcester, MD
Over: NORTH BRANCH CASSELMAN R
0.7 MI. WEST MD. RTE 495, Garrett, MD
Over: JONES FALLS
0.20 MILE SOUTH OF IS 83, Baltimore, MD
Over: NORTHEAST CREEK
0.10 MILE WEST OF MD 695, Baltimore, MD
Over: TRIBUTARY TO ROLAND RUN
0.6 MI N OF JOPPA RD, Baltimore, MD
Over: TRIBUTARY TO FIRST MINE
100 FT W OF VERNON ROAD, Baltimore, MD
Over: BLACKROCK RUN
0.2 MI E OF FALLS RD, Baltimore, MD
Over: CURTIS CREEK
2 MI S PATAPSCO AVE, Baltimore city, MD
Over: GWYNN FALLS , MIDDLE BR
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: EAST BRANCH PATAPSCO RIV
0.80 MI W OF HAMPSTEAD, Carroll, MD
Over: BIG PIPE CREEK
0.34 MI N OF STONE RD, Carroll, MD
Over: BIG ELK CREEK
0.47 MILE WEST OF MD 316, Cecil, MD
Over: BR OF NORTHEAST CREEK
0.41 MILE SOUTH OF MD 7C, Cecil, MD
Over: MONOCACY RIVER
0.98 MI W OF MONT CO, Frederick, MD
Over: MONOCACY RIVER
0.55 MI E OF US RTE 15, Frederick, MD
Over: BIG SHADE RUN
0.62 MILE WEST OF MD 669, Garrett, MD
Over: BR OF BYNUM RUN
0.3 MILE NORTH OF MD 136, Harford, MD
Over: ROCK RUN
0.01 MIL S OF ROCK RUN RD, Harford, MD
Over: MORGAN CREEK
1.83 MILES EAST OF MD 213, Kent, MD
Over: HENSON CREEK
.10 MI S OF SUITLAND PKWY, Prince George's, MD
Over: THREE BRIDGES BRANCH
0.39 MILE NORTH OF MD 305, Queen Anne's, MD
Over: MCINTOSH RUN
0.14 MILE SOUTH OF MD 243, St. Mary's, MD
Over: BRADDOCK RUN
0.02 MI W OF MD 55, Allegany, MD
Over: WINCHESTER RUN
0.62 MILE NORTH OF MD 951, Allegany, MD
Over: TRIB TO NORTH BR POTOMAC
1.21 M N OF MD 830A, Allegany, MD
Over: FLINTSTONE CREEK
0.02 MI E OF DOLLY RD, Allegany, MD
Over: BRANCH OF GWYNNS FALLS
0.48 MILE EAST OF IS 695, Baltimore, MD
Over: LONG GREEN CREEK
100 FT W LONG GREEN PIKE, Baltimore, MD
Over: ROLAND RUN
0.2 MI W OF BELLONA AVE, Baltimore, MD
Over: CURTIS CR, B&O RR
0.36 MI N OF AA CO LINE, Baltimore city, MD
Over: GAREY MILL POND BRANCH
2.0 MILES NORTH OF MD 317, Caroline, MD
Over: SAMS CREEK
ON FREDERICK CO LINE, Carroll, MD
Over: BIG PIPE CREEK
2.05 MILES N OF MD 84, Carroll, MD
Over: NORTHEAST CREEK
0.54 MILE EAST OF MD 272, Cecil, MD
Over: NORTHEAST CREEK
0.54 MILE EAST OF MD 272, Cecil, MD
Over: REEDER RUN
1.03 MILE NORTH OF MD 344, Charles, MD
Showing 1,601-1,650 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 |