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: JENNINGS RUN
0.02 MI S OF MD 36, Allegany, MD
Over: EVITTS CREEK
0.67 MI S OF US 220, Allegany, MD
Over: SEVERN RIVER
0.85 M W OF BR NO 0203900, Anne Arundel, MD
Over: SPA CREEK
0.5 MI N OF FOREST DRIVE, Anne Arundel, MD
Over: SOUTH END OF CONSOLIDATE
CRCF - BWI AIRPORT, Anne Arundel, MD
Over: PARKING LOTS
0.2 MI N OF MADISON ST, Baltimore city, MD
Over: CABIN BRANCH
1.5 MI S PATAPSCO AVE, Baltimore city, MD
Over: AMTRAK
0.31 MILE EAST OF MD 279, Cecil, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.28 MILE EAST OF MD 560, Garrett, MD
Over: SAVAGE RIVER
0.78 MI S WESTERNPORT RD, Garrett, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.14 MI NORTH OF MD 39, Garrett, MD
Over: NORTH BRANCH CASSELMAN R
SOUTH OF US 40, Garrett, MD
Over: BROAD CREEK
0.7 MILES E OF MD 543, Harford, MD
Over: MIDDLE PATUXENT RIVER
0.4 MI W OF FOLLY QUARTER, Howard, MD
Over: B&O RR,COUNTY ROADS
Milepost 0.7, Howard, MD
Over: SASSAFRAS RIVER
ON CECIL COUNTY LINE, Kent, MD
Over: BATCHELLOR'S RUN
0.391 MILE SOUTH OF MD 28, Montgomery, MD
Over: NORTHWEST BRANCH
1.00 MILE WEST OF MD 650, Montgomery, MD
Over: CABIN BRANCH
.4 MI S OF APPLE RIDGE RD, Montgomery, MD
Over: SLIGO CREEK
0.6 MI EAST OF MD 97, Montgomery, MD
Over: MINE CREEK
1.0 MI SE OF RUMBLEY, Somerset, MD
Over: ABANDONED RR, ISRAEL CRE
0.08 MILE SOUTH OF MD 67D, Washington, MD
Over: BIRCH BRANCH
1.55 MI S OF MD 610, Worcester, MD
Over: BRADDOCK RUN
0.08 MILE EAST OF MD 53, Allegany, MD
Over: SOUTH RIVER
0.86MI N OF MD 253, Anne Arundel, MD
Over: CHURCH CREEK
0.29 MILE EAST OF MD 2, Anne Arundel, MD
Over: GUNPOWDER FALLS
1.74 MI S OF HARFORD CO, Baltimore, MD
Over: TRIB TO HERRING RUN
0.95 MI N OF BALT CITY, Baltimore, MD
Over: LOCH RAVEN RESERVOIR
0.48 M N OF OLD BOSLEY RD, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
0.2 MI E OF CROMWELL BR R, Baltimore, MD
Over: BEETREE RUN
1.4 MI W OF MD RTE 45, Baltimore, MD
Over: DEAD RUN
0.38 MI S OF WINDSOR BLVD, Baltimore, MD
Over: MTA LIGHT RAIL
0.9 MI N OF NORTH AVE, Baltimore city, MD
Over: NORFOLK SOUTHERN RAILROA
0.2 MI W OF I-895, Baltimore city, MD
Over: US40 (Pulaski Highway)
0.4 MI. E. OF IS 895, Baltimore city, MD
Over: HALL CREEK
.442 M N OF MT HARMONY RD, Calvert, MD
Over: HALL CREEK
.442 M N OF MT HARMONY RD, Calvert, MD
Over: TANYARD BRANCH
2000 FEET EAST OF MD 315, Caroline, MD
Over: BIG PIPE CREEK
1.52 MILE WEST OF MD 194, Carroll, MD
Over: OLD WOMANS RUN
0.6 MILE EAST OF MD 227, Charles, MD
Over: MONOCACY RIVER
1.04 MILE EAST OF IS 70, Frederick, MD
Over: BR OF HUNTING CREEK
2.72 MI E OF WASH CO, Frederick, MD
Over: TOMS CREEK
0.62 MI W OF EMMITSBURG, Frederick, MD
Over: BROAD RUN
0.2 MI N PICNIC WOODS RD, Frederick, MD
Over: CARROLL CREEK
1.8 MI EAST OF MD 355, Frederick, MD
Over: CARROLL CREEK
0.2 MI NORTH OF MD 144, Frederick, MD
Over: CARSINS RUN
0.03 MILES N OF MD 22, Harford, MD
Over: BRANCH OF ROCK CREEK
0.34 MILE WEST OF MD 390, Montgomery, MD
Over: ROCK CREEK
0.66 MILE WEST OF MD 185, Montgomery, MD
Over: GRANNY FINLEY BRANCH
2.9 MILES SOUTH OF MD 19A, Queen Anne's, MD
Showing 2,051-2,100 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 |