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: KERRICK SWAMP
1.99 MILES EAST OF MD 6, Charles, MD
Over: MARSHYHOPE CREEK
0.61 MILE WEST OF MD 313, Dorchester, MD
Over: FALLING BRANCH
0.6 MI W OF CLERMONT M RD, Harford, MD
Over: PAINT BRANCH
1.5 MI WEST OF US 29, Montgomery, MD
Over: EAST BR OF WICOMICO RIVE
0.2 MI S OF US 50 BUS, Wicomico, MD
Over: DAVIS BRANCH
0.52 M S OF WICOMICO CO, Worcester, MD
Over: JENNINGS RUN
1.83 MI S OF MD 47, Allegany, MD
Over: TRIB TO HERRING RUN
.03 MI. W. OF MD 41, Baltimore, MD
Over: FOURTH MINE BRANCH
0.2 MI E OF YORK RD, Baltimore, MD
Over: POWDER MILL BRANCH
0.12 MI N OF MD 126, Baltimore, MD
Over: LITTLE PIPE CREEK
0.01 MI S OF JASONTOWN RD, Carroll, MD
Over: MATTAWOMAN CREEK
1.29 MILES EAST OF MD 224, Charles, MD
Over: TRIB. OF MATTAWOMAN CREE
1 mile East of US 301, Charles, MD
Over: TUSCARORA CREEK
1.85 MILES WEST OF MD 85, Frederick, MD
Over: AMTRAK
0.19 MILE S OF MD 197C, Prince George's, MD
Over: RED LION BRANCH
0.27 MILE NORTH OF MD 290, Queen Anne's, MD
Over: TAYLOR BRANCH
0.7 MI S OF PRINCESS ANNE, Somerset, MD
Over: POCOMOKE RIVER
2.5 MI E OF MD RTE 354, Wicomico, MD
Over: POTOMAC RIVER
ON WEST VIRGINIA LINE, Allegany, MD
Over: PORTER RUN
.04 MILES WEST OF MD 743, Allegany, MD
Over: GEORGES CREEK
0.16 MILE WEST OF MD 936, Allegany, MD
Over: MILL RUN
0.75 MI S OF MD RTE 935, Allegany, MD
Over: GEORGES CREEK
0.03 MI W OF CHURCH H RD, Allegany, MD
Over: JENNINGS RUN
0.04 MI S OF MD 36, Allegany, MD
Over: UNNAMED STREAM
0.27 MI. S. OF JEFFRIES R, Allegany, MD
Over: SPILLWAY TO WETLANDS
N TRACT NW END SOLD. LAKE, Anne Arundel, MD
Over: KITTEN BRANCH
0.3 MILE NORTH OF MD 995, Anne Arundel, MD
Over: MILL CREEK
1.01 MI N OF MD 648A, Anne Arundel, MD
Over: PATUXENT RIVER
ON PRINCE GEORGES CO LINE, Anne Arundel, MD
Over: BRANCH OF BACK CREEK
N OF MD 270, Anne Arundel, MD
Over: BACK CREEK
.056 MILE NORTH OF MD 710, Anne Arundel, MD
Over: TRIBUTARY TO BACK CREEK
0.34 MI N OF MD 10, Anne Arundel, MD
Over: CABIN BRANCH
0.42 MILE WEST OF MD 2, Anne Arundel, MD
Over: CABIN BRANCH
0.40 MI S OF MD 695, Anne Arundel, MD
Over: BRANCH OF LITTLE PATUXEN
1.89 M E OF MD 295, Anne Arundel, MD
Over: SAWMILL CREEK
0.52 MILE SOUTH OF IS 97, Anne Arundel, MD
Over: BR OF LIT PATUXENT RIVER
0.748 M W OF MD 32, Anne Arundel, MD
Over: BW PARKWAY (NBL)
3.4 MILES FROM MD ROUTE 1, Anne Arundel, MD
Over: BW PARKWAY (SBL)
3.4 MILES NORTH OF MD ROU, Anne Arundel, MD
Over: BW PARKWAY (NBL)
3.4 MILES NORTH OF MD ROU, Anne Arundel, MD
Over: BW PARKWAY (SBL)
3.4 MILES NORTH OF MD ROU, Anne Arundel, MD
Over: MIDWAY BRANCH
.03 MI W LEONARD WOOD AVE, Anne Arundel, MD
Over: S SIDE FRANKLIN BRANCH
0.24 MI. N OF ROCK AVE, Anne Arundel, MD
Over: MIDWAY BRANCH
0.10 MILES N ROCK AVE, Anne Arundel, MD
Over: STEMMERS RUN
0.23 MILE SOUTH OF IS 695, Baltimore, MD
Over: STEMMERS RUN
0.38 MI E OF MD 695, Baltimore, MD
Over: GWYNNS FALLS
0.08 MI E OF ST LUKES LA, Baltimore, MD
Over: GUNPOWDER FALLS
1.75 MILE NORTH OF MD 137, Baltimore, MD
Over: BEAVERDAM RUN
0.31 MI N OF WARREN RD, Baltimore, MD
Over: BRICE RUN
0.22 MI W OF OLD COURT RD, Baltimore, MD
Showing 1,651-1,700 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 |