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: CSX TRANSPORTATION
0.06 MILE WEST OF IS 795, Baltimore, MD
Over: LITTLE GUNPOWDER FALLS
0.6 MI E HESS ROAD, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
1.1 MILES EAST OF MD 45, Baltimore, MD
Over: LITTLE GUNPOWDER FALLS
BALTIMORE-HARFORD CO LINE, Baltimore, MD
Over: CENTRAL BOOKING PARKING
0.2 MI E OF GREENMOUNT AV, Baltimore city, MD
Over: GUSRYAN STREET
500 FT S OF DUNDALK AVE, Baltimore city, MD
Over: LITTLE NORTHEAST CREEK
1.39 MILES NE OF MD 272, Cecil, MD
Over: ZEKIAH SWAMP
0.09 M W OF BR NO 0800600, Charles, MD
Over: PARSONS CREEK
1.28 M N OF SMITHVILLE RD, Dorchester, MD
Over: BLACKWATER RIVER
4.86 MILE NORTH OF MD 336, Dorchester, MD
Over: CASSELMAN RIVER
0.82 MILE EAST OF MD 495, Garrett, MD
Over: FORK RUN
0.05 MI N HOYES RUN RD, Garrett, MD
Over: HEAVENLY WATERS
0.6 MILES W OF BUS US 1, Harford, MD
Over: OTTER POINT CREEK (S)
0.4 MILES S OF MD 7, Harford, MD
Over: PROPOSED ROADWAY
0.92 MILE SOUTH OF MD 97, Montgomery, MD
Over: GREAT SENECA CREEK
1.82 MILES EAST OF MD 118, Montgomery, MD
Over: RUSSELL BRANCH
1.2 MI S OF JCT SR 107, Montgomery, MD
Over: WATTS BRANCH
0.1 MI W OF WOOTTON PKWY, Montgomery, MD
Over: HENSON CREEK & HENSON CR
0.21 MI NE OF ROBERTS DR, Prince George's, MD
Over: KINGSTON CREEK
2.07 MILES N OF MD 235, St. Mary's, MD
Over: NORFOLK SOUTHERN RR
0.35 MILE EAST OF US 11, Washington, MD
Over: NORFOLK SOUTHERN RR
0.35 MILE EAST OF US 11, Washington, MD
Over: TRIBUTARY OF LITTLE ANTI
0.1 MI S OF MD RTE 34, Washington, MD
Over: BUTCHER RUN
0.03 M N OF BARTLETT ST, Allegany, MD
Over: CENTRE STREET
0.52 MI E OF US 48H, Allegany, MD
Over: N BRANCH POTOMAC RIVER
ON WEST VIRGINIA LINE, Allegany, MD
Over: FRANKLIN STREET & CSX RR
0.14 MI. E. OF NATL HWY S, Allegany, MD
Over: ADMIRAL DRIVE
0.39 MILE EAST OF MD 2, Anne Arundel, MD
Over: TRIBUTARY TO BELL BRANCH
60 FT S OF BELL BRANCH RD, Anne Arundel, MD
Over: AMTRAK
0.08 MI N OF US 40, Baltimore, MD
Over: AMTRAK
0.22 MI N OF MD 702, Baltimore, MD
Over: GUNPOWDER FALLS
0.6 MI E OF PINEY HILL RD, Baltimore, MD
Over: EASTERN AVENUE
EBENZER AT EASTERN AVENUE, Baltimore, MD
Over: MIDDLE BR, I 95 RAMP D
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: MEADOW BRANCH
1.15 MILES S OF MD 832, Carroll, MD
Over: EAST BRANCH PATAPSCO RIV
0.05 MI W OF BRODBECK RD, Carroll, MD
Over: MD MIDLAND RAILWAY
WESTMINSTER, MD, Carroll, MD
Over: ZEKIAH SWAMP
0.04 M E OF BR NO 0800600, Charles, MD
Over: MONOCACY RIVER
1 MI E OF MD RTE 85, Frederick, MD
Over: FISHING CREEK
AT FISH HATCHERY RD INT, Frederick, MD
Over: SAND SPRING RD
0.66 MILE EAST OF W VA, Garrett, MD
Over: CRANBERRY RUN
0.32 MILE EAST OF MD 159, Harford, MD
Over: BR. LITTLE PATUXENT RIVE
AT FONT HILL PARK, Howard, MD
Over: CABIN JOHN CREEK
0.96 MILE SOUTH OF IS 495, Montgomery, MD
Over: MIDDLEBROOK ROAD
0.77 MILE SOUTH OF MD 118, Montgomery, MD
Over: POTOMAC RIVER
ON VIRGINIA LINE, Montgomery, MD
Over: WATTS BRANCH
0.6 MI NORTH OF GLEN ROAD, Montgomery, MD
Over: NORTHWEST BRANCH
0.68 MILE NORTH OF MD 208, Prince George's, MD
Over: BALD HILL BRANCH
0.38 MILE EAST OF MD 564, Prince George's, MD
Over: BEAVERDAM CREEK
.14 M N OF COLUMBIA PK RD, Prince George's, MD
Showing 2,551-2,600 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 |