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: DEER CREEK
1.0 MILE S OF CHERRY H RD, Harford, MD
Over: HOLLANDS BRANCH
1.1 MILES SW OF MD 161, Harford, MD
Over: CHERRY CREEK
0.1 MI S INT ROCK LODGE R, Garrett, MD
Over: MIDDLE PATUXENT RIVER
1 MI S OF MD RTE 144, Howard, MD
Over: BENNETT CREEK
0.1 MI N OF CLARKSBURG RD, Montgomery, MD
Over: LITTLE FALLS
200 FT S STABLERS CHURCH, Baltimore, MD
Over: MIDDLE BRANCH
0.5 MI S OF I 95, Baltimore city, MD
Over: GILBERT SWAMP RUN
0.04 MI W OF MD 234, Charles, MD
Over: ELLIOTT CREEK
0.34 MI. E. OF POKES ROAD, Dorchester, MD
Over: CASSELMAN RIVER
0.08 MI E OF MD RTE 495, Garrett, MD
Over: TRIB TO CHESTER RIVER
0.2 MI E OF MD RTE 298, Kent, MD
Over: NAYLORS POND STREAM
1.25 MI W OF US RTE 13, Wicomico, MD
Over: TRIBUTARY TO DEAD RUN
0.68 MI N OF IS 70, Baltimore, MD
Over: LITTLE PIPE CREEK
0.10 MI W OF AVONDALE RD, Carroll, MD
Over: LONG GREEN CREEK
1.52 MILES NW OF MD 147, Baltimore, MD
Over: TOWN CREEK
0.07 MI W OF GUN CLUB RD, Allegany, MD
Over: CATTAIL CREEK
0.5 MI E OF DAISY RD, Howard, MD
Over: BALD HILL BRANCH
0.04 MI W OF ELLERBIE ST, Prince George's, MD
Over: STEMMERS RUN
0.05 MI N OF OREMS RD, Baltimore, MD
Over: WINTERS RUN
0.96 MILE NORTH OF MD 147, Harford, MD
Over: PISCATAWAY CREEK
0.49 MI N OF MD 223, Prince George's, MD
Over: BEAR BRANCH
0.025 MI N PLEASANT VA, Carroll, MD
Over: ROCK CREEK
0.25 MI W OF AVERY RD, Montgomery, MD
Over: ROCK RUN
0.1KM S OF MACARTHUR BLVD, Montgomery, MD
Over: PINEY BRANCH
135 FT S BUNKER HILL RD, Charles, MD
Over: CASSELMAN RIVER
0.41 MI N OF ALT US 40, Garrett, MD
Over: TRIBUTARY OF PATAPSCO RI
2.09 MI N OF MD RTE 99, Howard, MD
Over: LITTLE SENECA CREEK
0.5 MI E MD RTE 121, Montgomery, MD
Over: MD-295, B/W PARKWAY RAMP
0.6 MI S IS 95, Baltimore city, MD
Over: COLGATE CREEK
1.5 MI SE OF I-895, Baltimore city, MD
Over: ISLAND BRANCH
0.3 MILES S OF MD 136, Harford, MD
Over: YOUGHIOGHENY RIVER
0.4 M SW OAKLAND SANG RUN, Garrett, MD
Over: BROAD CREEK
0.30 M W OF LIVINGSTON RD, Prince George's, MD
Over: ELK LICK RUN
0.04 MI S OF MD 144, Allegany, MD
Over: BRANCH OF BACK CREEK
0.46 MI E OF MD 2, Anne Arundel, MD
Over: MOORE'S RUN
0.2 MI W CEDONIA AVE, Baltimore city, MD
Over: CSX RAILROAD
0.2 MI NE OF BROADWAY, Baltimore city, MD
Over: CSX RAILROAD
0.5 MI N OF NORTH AVE, Baltimore city, MD
Over: ROCK RUN CREEK
0.7 N OF OLD SCHOOLHOUSE, Cecil, MD
Over: ROCK RUN CREEK
0.8 MI E OF MAIN ST., Cecil, MD
Over: BUFFALO RUN
0.26 MI E OF MD RTE 42, Garrett, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.12 MI S OF OAK STREET, Garrett, MD
Over: EAST BRANCH /WINTERS RUN
1.9 MILES E OF MD 165, Harford, MD
Over: PATAPSCO RIVER
2 MI E BAL WASH EXPR, Baltimore city, MD
Over: TALBOT BRANCH
AT TALBOT RUN ROAD INTERS, Frederick, MD
Over: HILTON RUN
1.86 MILES N OF MD 489, St. Mary's, MD
Over: EVITTS CREEK
0.08 MILE EAST OF US 40AB, Allegany, MD
Over: WEST BRANCH
0.99 MI NE OF MD 272, Cecil, MD
Over: FISHING CREEK
AT POWELL RD INT, Frederick, MD
Over: AMTRAK AND OREMS ROAD
0.8 MI SE OF PULASKI HWY, Baltimore, MD
Showing 5,351-5,400 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 |