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: DOG CREEK
1.87 MILES N OF MD 67A, Washington, MD
Over: LITTLE ANTIETAM CREEK
0.41 MILE S OF MD 858F, Washington, MD
Over: LITTLE ANTIETAM CREEK
1.21 MILES NORTH OF MD 64, Washington, MD
Over: ST JAMES RUN
0.02 MILE SOUTH OF IS 70, Washington, MD
Over: BLACKROCK CREEK
0.27 MILE SOUTH OF IS 70, Washington, MD
Over: CAMP SPRING RUN
0.88 M S 0F US RTE 40, Washington, MD
Over: SEMPLE RUN
0.19 MI S OF IS 70, Washington, MD
Over: ANTIETAM CREEK
1.27 MI W OF ALT US RT 40, Washington, MD
Over: DOG CREEK
0.66 MI SE OF MD RTE 67, Washington, MD
Over: TOM'S RUN
0.09 MI. W.OF S MILL ST., Washington, MD
Over: PLUM CREEK
1.05 MILES S OF MD 348, Wicomico, MD
Over: BURNT MILL BRANCH
0.50 MI W OF WORCESTER CO, Wicomico, MD
Over: BURNT MILL BRANCH
0.50 MI W OF WORCESTER CO, Wicomico, MD
Over: REWASTICO CREEK
0.27 MILE SOUTH OF US 50, Wicomico, MD
Over: BACHELORS BRANCH
3.1 MILES NORTH OF MD 756, Worcester, MD
Over: TRAPPE CREEK
1.32 MILES EAST OF US 113, Worcester, MD
Over: NASSAWANGO CREEK
0.95 MI SW OF MD 12, Worcester, MD
Over: POND
200' NORTH OF MD 589, Worcester, MD
Over: POND
200' NORTH OF MD 589, Worcester, MD
Over: GEORGES CREEK
0.04 MI N OF MD 937, Allegany, MD
Over: UTILITY ACCESS RD
Milepost M57.1, Baltimore city, MD
Over: OSTEND ST/LOTS G&H
Milepost 1.1, Baltimore city, MD
Over: MILL RUN
1.6 M NE FRNDSVLLEADDISON, Garrett, MD
Over: WILDCAT BRANCH
0.1 MILES S OF US 1, Harford, MD
Over: YELLOW BRANCH
0.5 MILES E OF MD 146, Harford, MD
Over: LITTLE PATUXENT RIVER
1.62 MILES S OF MD 175, Howard, MD
Over: HAWLINGS RIVER
1.88 MILES N OF MD 108, Montgomery, MD
Over: CABIN JOHN CREEK
0.22 MILE NORTH OF GV 6, Montgomery, MD
Over: CSX TRANS & WMATA
1.12 MILES N OF MD 201, Prince George's, MD
Over: CSX TRANS & WMATA
1.12 MILES N OF MD 201, Prince George's, MD
Over: PEARL CREEK
1.06 MILE SOUTH OF MD 290, Queen Anne's, MD
Over: KENT ISLAND NARROW
0.59 MILE WEST OF MD 835, Queen Anne's, MD
Over: BR OF ST CLEMENTS CREEK
0.58 MILE SOUTH OF MD 5, St. Mary's, MD
Over: EAST BRANCH OF WICOMICO
0.2 MI S OF US 50 BUS, Wicomico, MD
Over: PURNELL BRANCH
0.39 MILE S OF US 113, Worcester, MD
Over: PILCHARD CREEK
0.68 MILE NORTH OF MD 756, Worcester, MD
Over: C&O CANAL
0.64 MI W OF W VA LINE, Allegany, MD
Over: PINEY RUN
0.47 MI E OF MD 295, Anne Arundel, MD
Over: GUNPOWDER FALLS
0.03 MI S OF NOTCH CLIFF, Baltimore, MD
Over: TOWSON RUN
0.1 MI W CHARLES ST, Baltimore, MD
Over: CONSOL ENERGY RAIL YARD
KEITH AVE OVER CONSOL, Baltimore city, MD
Over: B&O RR
Milepost M52.0, Baltimore city, MD
Over: HANOVER ST, RACE ST, CSX
Milepost M55.2, Baltimore city, MD
Over: QUAD AVE, HERRING RUN
SB ON RAMP FROM MORAVIA, Baltimore city, MD
Over: MEADOW BRANCH
1.07 MILES S OF MD 832, Carroll, MD
Over: BIG ELK CREEK
0.71 MI E OF ELK MILLS RD, Cecil, MD
Over: BUSH CREEK
.65 MILE SOUTH OF MD 75FB, Frederick, MD
Over: BR OF HOLLOW CREEK
AT BEECHTREE LANE INTERSC, Frederick, MD
Over: MUDDY CREEK
1.2 M N INT MAPPLE GLADE, Garrett, MD
Over: NORTH BRANCH OF THE CASS
0.5 MI SE INT AMISH ROAD, Garrett, MD
Showing 1,951-2,000 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 |