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: LITTLE PAINT BRANCH
0.5 MILES WEST OF US 1, Prince George's, MD
Over: STEMMERS RUN
0.1 MILES NW OF BELAIR RD, Baltimore, MD
Over: TRIB TO MATAPONI CREEK
0.12 MI S OF MD 382, Prince George's, MD
Over: PISCATAWAY CREEK
2.27 MILES NORTH OF MD 5, Prince George's, MD
Over: CSX
0.2 MI S OF IS 95, Baltimore city, MD
Over: TRIBUTARY OF PATAPSCO RI
1.24 MI N OF MD RTE 99, Howard, MD
Over: HUNTERS MILL BRANCH
0.41 MI S OF MD 210, Prince George's, MD
Over: TRIBUTARY TO NORTH BRANC
50 FT SOUTH OF E MAIN ST, Garrett, MD
Over: CSX RAILROAD
0.82 MI S OF IS 95, Cecil, MD
Over: BULLS RUN
0.5 MI E OF JCT SR 191, Montgomery, MD
Over: BRIER DITCH
AT WESTBROOK DRIVE, Prince George's, MD
Over: MONOCACY RIVER
4.3 M E KEYSVILLE ROAD, Carroll, MD
Over: BEAVER RUN BRANCH
0.5 MI E OF US RTE 29, Howard, MD
Over: AMTRAK
0.2 MI W OF MONROE ST, Baltimore city, MD
Over: BUCK BRANCH
0.5 MIL W OF GRAIGS CR RD, Harford, MD
Over: NORTHEAST BRANCH
0.33 MI W OF MD 201, Prince George's, MD
Over: MILL BROOK
2.1 MILES NE OF MD 22, Harford, MD
Over: PATUXENT RIVER
1.4 MI E OF MD 650, Howard, MD
Over: PATAPSCO RIVER
2 MI E BAL WASH EXPR, Baltimore city, MD
Over: LITTLE PIPE CREEK
0.04 MI S OF MD 75, Carroll, MD
Over: MILL RUN
0.04 MI S OF MILL RUN RD, Garrett, MD
Over: LIBERTY RESERVOIR
ON BALTO CO LINE, Carroll, MD
Over: GREAT SENECA CREEK
2.1 MILES EAST OF MD 27, Montgomery, MD
Over: SLIGO CREEK TRIBUTARY
0.32 MI E OF JCT SR 97, Montgomery, MD
Over: WICOMICO RIVER EAST BRAN
500 FT S OF US RTE 50, Wicomico, MD
Over: SNOWY CREEK
1.05 MI. SW. OF HUTTON RD, Garrett, MD
Over: CSX RAILROAD
50 FT N LANSDOWNE RD, Baltimore, MD
Over: MTA LIGHT RAIL
AT CITY LINE, Baltimore city, MD
Over: CSX
.1 MI S OF 695, Baltimore city, MD
Over: BEAVER CREEK
0.08 MI W OF MD 66, Washington, MD
Over: SANDY BRANCH
0.05 EAST OF OLD TELE RD, Cecil, MD
Over: LITTLE CREEK
0.6 MILES SOUTH OF MD 331, Caroline, MD
Over: BALD HILL BRANCH
0.02 MI E OF CIPRIANO RD, Prince George's, MD
Over: MIDWAY BRANCH
.03 MI W LEONARD WOOD AVE, Anne Arundel, MD
Over: CSX RAILROAD
0.5 MI E MERRITT BLVD, Baltimore, MD
Over: CSX RAILROAD
0.5 MI E MERRITT BLVD, Baltimore, MD
Over: PRETTYBOY RESERVOIR
0.3 MI E GUNPOWDER RD, Baltimore, MD
Over: TOWN CREEK
0.37 MI E OF US 40AF, Allegany, MD
Over: HERRING RUN
0.8 MI W ERDMAN AVE, Baltimore city, MD
Over: CSX RAILROAD
1.58 MILES N OF MD 7, Cecil, MD
Over: FALLING BRANCH
0.55 MILE NORTH OF MD 24, Harford, MD
Over: CSXT RR & WMATA METRO
0.3 MI SOUTH OF MD 97, Montgomery, MD
Over: SNAKEDEN BRANCH
.5 MI W OF SEVEN LOCKS RD, Montgomery, MD
Over: CSX RAILROAD
50 FT W HAMMONDS FERRY RD, Baltimore, MD
Over: PULASKI HIGHWAY
.2 MI. W. OF I 95, Baltimore city, MD
Over: HERRING RUN
0.6 MI W OF IS 95, Baltimore city, MD
Over: MILL DAM RUN
0.66 MI N OF MD 5, Charles, MD
Over: TERRY BRANCH
0.2 MI S OF MD RTE 349, Wicomico, MD
Over: LITTLE OWENS CREEK
0.06 MI EAST OF RODDY RD, Frederick, MD
Over: WILLS CREEK
0.02 MI NE OF GREENE ST, Allegany, MD
Showing 5,401-5,450 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 |