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: STOUT BOTTLE BRANCH
0.5 MIL SW OF WALTERS M R, Harford, MD
Over: WILLET BRANCH
0.1 MI S OF HILLANDALE RD, Montgomery, MD
Over: IS 295 RAMP 'O'
0.34 M S OF BR NO 1621900, Prince George's, MD
Over: BEAVERDAM CREEK
1.34 MI S OF MD 350, Wicomico, MD
Over: GUNPOWDER FALLS
0.31 MI W OF JONES RD, Baltimore, MD
Over: GUNPOWDER FALLS
0.31 MI W OF JONES RD, Baltimore, MD
Over: DEAD RUN
50 FT E SECURITY BLVD, Baltimore, MD
Over: ROLAND RUN
0.42 MI E OF MD 134, Baltimore, MD
Over: PEARL STREET
0.1 MI W OF PACA ST, Baltimore city, MD
Over: I-83 RAMP 'E'
0.4 MI N OF NORTH AVE, Baltimore city, MD
Over: HUNTING CREEK
1.15 M W OF PRYOR ROAD, Frederick, MD
Over: JAMES RUN
0.6 MILES E OF MD 543, Harford, MD
Over: JACKSON BRANCH
0.3 MILES S OF MD 23, Harford, MD
Over: MATTAWOMAN CREEK
ON CHARLES CO LINE, Prince George's, MD
Over: NORFOLK SOUTHERN RR
0.57 MILE NORTH OF MD 58, Washington, MD
Over: NORFOLK SOUTHERN RR
0.57 MILE NORTH OF MD 58, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
100 FT S OF W WILSON BLVD, Washington, MD
Over: DENNIS CREEK
0.4 MI NW OF MD RTE 349, Wicomico, MD
Over: WESTERN RUN
0.81 M S OF BR NO 0305600, Baltimore, MD
Over: GWYNNS FALLS
250 FT E SCOTTS HILL DR, Baltimore, MD
Over: JONES FALLS
COLDSPRING AT I-83, Baltimore city, MD
Over: MORGAN RUN
3.14 MILE SOUTH OF MD 32, Carroll, MD
Over: HUNTING CREEK
0.03 MI S OF MD 77, Frederick, MD
Over: LITTLE PATUXENT RIVER
0.04 MI W CO 76 & MD 108, Howard, MD
Over: CABIN JOHN CREEK
0.12 MI W OF IS 495X, Montgomery, MD
Over: CSXT RAILROAD
0.5 MI NORTH OF MD 117, Montgomery, MD
Over: BROAD RUN
3 MILES WEST OF MD 109, Montgomery, MD
Over: PAINT BRANCH
1.42 M E OF MONTGOMERY CO, Prince George's, MD
Over: CSXT RAILROAD
1.0 MI W OF US RTE 340, Washington, MD
Over: FRENCHTOWN RD
0.8 MI N OF SUSQUEHANNA R, Cecil, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.19 MILE WEST OF US 219, Garrett, MD
Over: BEAR CABIN BRANCH
0.8 MIL E OF GRAFTON SHOP, Harford, MD
Over: INDIAN CREEK
0.74 MILE NORTH OF MD 201, Prince George's, MD
Over: CROWNSVILLE ROAD
0.7 MI N OF MD 450, Anne Arundel, MD
Over: CROWNSVILLE ROAD
0.71 MILE NORTH OF MD 450, Anne Arundel, MD
Over: REDHOUSE RUN
300 FT W. OF ELLINWOOD RD, Baltimore, MD
Over: CSX
0.4 MI S OF NORTH AVE, Baltimore city, MD
Over: I-83
0.4 MI N OF NORTH AVE, Baltimore city, MD
Over: NORFOLK SOUTHERN RR
0.02 MILE NORTH OF MD 222, Cecil, MD
Over: FISHING CREEK
AT PUTNAM RD INT, Frederick, MD
Over: MUDDY BRANCH
0.98 M E OF PETTIT WAY, Montgomery, MD
Over: ROCK CREEK
0.6 MILES WEST OF MD 586, Montgomery, MD
Over: NORTHWEST BRANCH
0.73 MILE NORTH OF MD 193, Prince George's, MD
Over: BENS RUN
0.4 MI SOUTH OF MD 26, Baltimore, MD
Over: PRINCIPO CREEK
0.62 MILE SOUTH OF US 40, Cecil, MD
Over: LITTLE NORTHEAST CREEK
0.01 MI N OF WHEATLEY RD, Cecil, MD
Over: LITTLE FISHING CREEK
0.1 MI W OF GAMBRILL PARK, Frederick, MD
Over: BEAVER CREEK
1.95 MILES N OF MD 910B, Washington, MD
Over: LITTLE GUNPOWDER FALLS
ON HARFORD CO LINE, Baltimore, MD
Over: GWYNNS FALLS
0.12 MILE NORTH OF IS 795, Baltimore, MD
Showing 3,301-3,350 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 |