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: EAST FORK LANGFORD CREEK
0.01 MI E OF BRICES MILL, Kent, MD
Over: BEAVERDAM BRANCH
3.44 MI W OF CAROLINE CO, Talbot, MD
Over: DORSEY CREEK
0.5 KM SE OF RT. 450, Anne Arundel, MD
Over: SOUTH BRANCH PATAPSCO RI
ON HOWARD COUNTY LINE, Carroll, MD
Over: CABIN JOHN CREEK
.1 MI S OF DEMOCRACY BLVD, Montgomery, MD
Over: BEL PRE CREEK
0.1 MI EAST OF MD-182, Montgomery, MD
Over: ANTIETAM CREEK
0.36 M E OF ANTIETAM DR, Washington, MD
Over: WESTERN RUN
0.1 MI N CROSS COUNTRY BL, Baltimore city, MD
Over: TRIBUTARY TO MATTAWOMAN
1 mile w. Indianhead Hwy, Charles, MD
Over: SOUTHWEST BRANCH
0.47 MI SOUTH OF MD 214, Prince George's, MD
Over: POCOMOKE RIVER
0.75 MI E BETHEL RD, Wicomico, MD
Over: TOWN CREEK
0.38 MI E OF US 40AF, Allegany, MD
Over: SEVERN RUN
1.06 MI N OF MD 175, Anne Arundel, MD
Over: GWYNNS FALLS
0.8 MI N WINDSOR MILL RD, Baltimore city, MD
Over: MONROE ST
Milepost M53.7, Baltimore city, MD
Over: ISLAND CREEK
.26 MI SE OF LANDS END RD, Queen Anne's, MD
Over: BIG ELK CREEK
0.25 MI NW OF MD 316, Cecil, MD
Over: GRINDSTONE RUN
0.13 MILES WEST OF MD 17, Frederick, MD
Over: HAMMOND BRANCH
0.73 MILE NORTH OF MD 216, Howard, MD
Over: WILLIAMSBURG RUN TRIB
0.90 MI. W. OF MD 108, Montgomery, MD
Over: MD ROUTE 197 (EBL)
1.9 MILES NORTH OF MD ROU, Prince George's, MD
Over: TRIB TO SEMPLE RUN
0.43 MILE NORTH OF IS 70, Washington, MD
Over: PARKER POND
0.42 MILE SOUTH OF MD 350, Wicomico, MD
Over: WESTERN RUN
0.05 MI N KELLY AVE, Baltimore city, MD
Over: WHETSTONE RUN
0.1 MI S MID-COUNTY HWY, Montgomery, MD
Over: WATTS BRANCH
0.5 MILES NORTH OF MD 28, Montgomery, MD
Over: TRIBUTARY TO PEA HILL BR
1.5 MI NORTH OF MD 223, Prince George's, MD
Over: LITTLE ANTIETAM CREEK
0.8 MI NE OF MD RTE 64, Washington, MD
Over: DEAD RUN
0.66 M N OF SECURITY BLVD, Baltimore, MD
Over: ROCK CREEK
1.68 MILES EAST OF MD 28, Montgomery, MD
Over: UNNAMED TRIBUTARY
.9 MI NORTHEAST OF MD 214, Prince George's, MD
Over: ANDOVER BRANCH
1.44 M W OF DELAWARE LINE, Queen Anne's, MD
Over: BEAVERDAM DITCH
0.6 MI. WEST OF MD 313, Queen Anne's, MD
Over: BEAR BRANCH
1.16 MILES N OF MD 140, Carroll, MD
Over: MARSHYHOPE CREEK
2.35 MILES EAST OF MD 331, Dorchester, MD
Over: CABIN JOHN CREEK
0.2 MI E OF TOWER OAKS BL, Montgomery, MD
Over: TRIB TO PATUXENT RIVER
.3 M N/Old Jericho Park R, Prince George's, MD
Over: CABIN BRANCH
0.90 MI E OF WASH DC LINE, Prince George's, MD
Over: TOWN CREEK
0.52 MI NE OF MD 51, Allegany, MD
Over: CSXT RAILROAD
0.17 MI W OF MD 51, Allegany, MD
Over: AMTRAK
0.08 M W OF BR NO 0216700, Anne Arundel, MD
Over: INDIAN CREEK
1.38 MILES N OF MD 212, Prince George's, MD
Over: TRIBUTARY TO SOUTHWEST B
0.5 MI SOUTH OF MD 214, Prince George's, MD
Over: WICOMICO RIVER
0.591 M E OF JERSEY ROAD, Wicomico, MD
Over: WILLS CREEK
0.84 MI E OF MD 36, Allegany, MD
Over: TRIBUTARY OF BENS BRANCH
0.3 MI W OF DETRICK RD, Frederick, MD
Over: BR OF WYE RIVER
0.67 MILE EAST OF MD 213, Queen Anne's, MD
Over: PETER PAN RUN
0.1 MI N OF BUSH CREEK DR, Frederick, MD
Over: MUDDY CREEK
0.2 MI W CRANESVILLE RD, Garrett, MD
Over: TRIB TO ROCK CREEK
1.1 MI SOUTH OF MD 547, Montgomery, MD
Showing 3,401-3,450 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 |