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: WEST BRANCH PATAPSCO RIV
0.02 MILE WEST OF MD 852G, Carroll, MD
Over: BIG PIPE CREEK
1.01 MI N OF STONE ROAD, Carroll, MD
Over: ABANDONED RAILROAD
0.12 MI S OF BASIN RUN RD, Cecil, MD
Over: CSXT RR & WMATA METRO
0.24 MILES EAST OF MD 355, Montgomery, MD
Over: CSX TRANS.
1.28 MILES NORTH OF IS 70, Washington, MD
Over: GEORGES CREEK
0.16 MI NW OF MD RTE 936, Allegany, MD
Over: AMTRAK
0.7 MI W OF CATON AVENUE, Baltimore city, MD
Over: BIG PIPE CREEK
0.02 MI NW OF UNGER RD, Carroll, MD
Over: LITTLE ELK CREEK
0.62 MI N OF LEEDS RD, Cecil, MD
Over: SWANSON CREEK
1 MI E GALLANT GREEN RD, Charles, MD
Over: HUNTING CREEK
1.5 MILES SOUTH OF MD 550, Frederick, MD
Over: BEAR CREEK
0.13 MI NW OF US 219, Garrett, MD
Over: AMTRAK,SER RD,BEAVERDAM
0.16 MILE SOUTH OF US 50, Prince George's, MD
Over: WATERMAIN
150 ft S. I-95 NB, Prince George's, MD
Over: CSX TRANS.
1.28 MILES NORTH OF IS 70, Washington, MD
Over: BEAVER CREEK
0.7 MI NW OF MD RTE 68, Washington, MD
Over: CSX TRANSPORTATION
0.10 MI S OF US 40, Baltimore, MD
Over: GEORGES RUN
0.55 MI SW OF MD 25, Baltimore, MD
Over: STEMMERS RUN
0.2 MI SW OF ROSSVILLE RD, Baltimore, MD
Over: WESTERN RUN
0.1 MI S CROSS COUNTRY BL, Baltimore city, MD
Over: JONES FALLS
NB I-83 TO WB N PKWY, Baltimore city, MD
Over: MIDDLE BRANCH
0.6 MI E RUSSELL ST, Baltimore city, MD
Over: PROPOSED CANTON RR TRACK
Milepost M56.2, Baltimore city, MD
Over: MONOCACY RIVER
ON FRED CO LINE, Carroll, MD
Over: BRANCH OF BIG ELK CREEK
0.84 MILE NORTH OF MD 316, Cecil, MD
Over: SIDELING HILL CREEK
ON ALLEGANY CO LINE, Washington, MD
Over: CABIN BRANCH
0.5 MI E OF MD RTE 4, Anne Arundel, MD
Over: CHARLES RUN
500 FT S SHEPPERD ROAD, Baltimore, MD
Over: LONG QUARTER BRANCH
0.62 MI N OF MD 146, Baltimore, MD
Over: PARKER BRANCH
1.4 M SE OF OLD YORK RD, Baltimore, MD
Over: TRIBUTARY TO LITTLE GUNP
0.3 MI N FRANKLINVILLE RD, Baltimore, MD
Over: UNDERGROUND CONDUIT
0.2 MI N MADISON ST, Baltimore city, MD
Over: MTA LIGHT RAIL
ON RAMP SB I-83, Baltimore city, MD
Over: DESOTO RD
MILEPOST M52.4, Baltimore city, MD
Over: LIGHT RAIL
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: PINEY CREEK
0.08 MI N OF MD 194, Carroll, MD
Over: MIDDLE RUN
0.60 MI S OF DEER PARK RD, Carroll, MD
Over: BROAD CREEK
0.03 MILES E OF MD 646, Harford, MD
Over: METRO ACCESS ROAD
.7 MI S OF SHADY GROVE RD, Montgomery, MD
Over: BR OF INDIAN CREEK
0.32 MILE NORTH OF MD 201, Prince George's, MD
Over: BR OF INDIAN CREEK
0.32 MILE NORTH OF MD 201, Prince George's, MD
Over: SOUTH RIVER
2 MI SOUTH OF MD 665, Anne Arundel, MD
Over: NORFOLK SOUTHERN RR
.08 MILE SOUTH OF MD 695B, Baltimore, MD
Over: AMTRAK RAILROAD
0.1 MI NW EASTERN AVE EXT, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.4 MI S NORTHERN PKWY, Baltimore city, MD
Over: WESTERN RUN
0.2 MI E YORK RD, Baltimore city, MD
Over: ALLOWAY CREEK
0.11 MI N OF STARNERS DAM, Carroll, MD
Over: PINEY CREEK
0.54 MI WEST OF MD 194, Carroll, MD
Over: PINEY RUN
0.80 MI N RAINCLIFFE ROAD, Carroll, MD
Over: GRAVE RUN
ROHRBAUGH RD 0.36, Carroll, MD
Showing 3,051-3,100 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 |