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: TRIBUTARY OF SEMPLE RUN
0.34 MI NE OF US RTE 11, Washington, MD
Over: TRIBUTARY OF CONOCOCHEAG
0.3 MI N OF MD RTE 68, Washington, MD
Over: TOM'S RUN
0.09 MI. W. OF N MILL ST., Washington, MD
Over: WETIPQUIN CREEK
2 MI N OF COXS CORNER, Wicomico, MD
Over: BEAVERDAM CREEK
1 MI S OF GLEN AVE, Wicomico, MD
Over: MIDDLE NECK BRANCH
0.05 MI N of MD 12, Wicomico, MD
Over: CHURCH BRANCH
1.26 MILES EAST OF MD 346, Worcester, MD
Over: OLD MILL BRANCH
3.79 MI N OF US RTE 113, Worcester, MD
Over: C&O CANAL
0.19 MI S OF PPG RD, Allegany, MD
Over: COOPER'S RUN
0.8 MI E BECKLEYSVILLE RD, Baltimore city, MD
Over: CATOCTIN CREEK
3.17 MILES EAST OF MD 17, Frederick, MD
Over: ISRAEL CREEK
0.66 MILE EAST OF MD 194, Frederick, MD
Over: BALLENGER CREEK
0.1 MI WEST OF MD 85, Frederick, MD
Over: WHETSTONE RUN
0.2 MI NORTH OF MD 355, Montgomery, MD
Over: LITTLE PAINT BRANCH
0.10 MI E OF MONT CO LINE, Prince George's, MD
Over: GWYNNS FALLS, CSX
0.6 MI E HILTON PKWY, Baltimore city, MD
Over: CSX RAILROAD
0.1 MI NW OF I-95, Baltimore city, MD
Over: SILVER RUN
0.14 MI W OF BABYLON RD, Carroll, MD
Over: WEST BRANCH OF CHRISTINA
0.3 MI NORTH OF MD 277, Cecil, MD
Over: UNNAMED TRIBUTARY
.05 MI N OF BILLINGSLY RD, Charles, MD
Over: DEER CREEK
1.5 MIL NE OF ALLIBONE RD, Harford, MD
Over: LITTLE PATUXENT RIVER
0.5 MI N OF L. PATUX PKWY, Howard, MD
Over: LITTLE FALLS
0.59 MI N OF WALKER RD, Baltimore, MD
Over: HORSEHEAD BRANCH
2.7 MI SW OF MD 140, Baltimore, MD
Over: UNNAMED STREAM
INT. W/ HARVEY GUMMEL RD, Carroll, MD
Over: BENNETT CREEK
1.06 MILES SOUTH OF MD 80, Frederick, MD
Over: BENNETT CREEK
0.35 MI N OF MD RTE 355, Frederick, MD
Over: LITTLE BENNETT CREEK
0.10 MILE SOUTH OF MD 109, Montgomery, MD
Over: DRY SENECA CREEK
0.37 MILES EAST OF MD 109, Montgomery, MD
Over: ROCK CREEK
3.30 MI W OF MD 97, Montgomery, MD
Over: FEDERAL SPRING BRANCH
0.62 MILE WEST OF MD 717, Prince George's, MD
Over: INDIAN CREEK
500FT NW OF CHERRYWOOD LA, Prince George's, MD
Over: CHOPTANK RIVER
ON CAROLINE CO LINE, Talbot, MD
Over: BEAVER CREEK
0.08 MI W OF MD 66, Washington, MD
Over: MIDDLE BRANCH
0.784 MILE N OF MD 589, Worcester, MD
Over: JENNINGS RUN
0.04 MI W OF MD 36, Allegany, MD
Over: LITTLE GUNPOWDER FALLS
1.8 MI E OLD YORK ROAD, Baltimore, MD
Over: CSX RAILROAD
0.16 MI N OF NAZARENE RD, Cecil, MD
Over: PISCATAWAY CREEK
1.73 MILES EAST OF MD 5, Prince George's, MD
Over: LITTLE TUSCARORA CREEK
0.2 MI W OF WILLOWBRK RD, Frederick, MD
Over: MUDDY BRANCH
0.9 MI SE OF JCT SR 124, Montgomery, MD
Over: SHADY BRANCH
0.13 M N OF SAM EIG HWY, Montgomery, MD
Over: PETER PAN RUN
1.7 MI W OF IJAMSVILLE RD, Frederick, MD
Over: LAKE LINGANORE
1.8 MI S OF GAS HOUSE PK, Frederick, MD
Over: LITTLE ANTIETAM CREEK
0.4 MI NW OF MD RTE 67, Washington, MD
Over: SLAUGHTERHOUSE BRANCH
0.3 MI N BALTO BELTWAY, Baltimore, MD
Over: MOORES RUN
Milepoint M14.68, Baltimore city, MD
Over: AMTRAK
0.31 MILE EAST OF MD 279, Cecil, MD
Over: MIDDLE CREEK
0.7 MI N OF STOTTLEMEYER, Frederick, MD
Over: BRANCH OF GLADE RUN
2.85 MILES NORTH OF US 50, Garrett, MD
Showing 4,051-4,100 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 |