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: NORTH BRANCH ROCK CREEK
1.51 MI W OF MD 97, Montgomery, MD
Over: MD 200 (ICC)
0.59 MI NORTH OF MD 28, Montgomery, MD
Over: Ramp NW
0.4 mi W of Briggs Chaney, Montgomery, MD
Over: MD 200/US29, Ramp EB
1 Mi. E of Old Columbia, Montgomery, MD
Over: LEONARD MILL POND
0.4 MILE SOUTH OF MD 675B, Wicomico, MD
Over: LONG BRANCH
0.87 MI NW OF MD 285, Cecil, MD
Over: LITTLE BOHEMIA CREEK
Bohemia Church Road, Cecil, MD
Over: CABIN BRANCH
1.3 MI N OF MD124, Montgomery, MD
Over: CRYSTAL FALLS DRIVE
1.98 MILES WEST OF MD 66, Washington, MD
Over: JUMPERS HOLE ROAD
0.05 MI S OF MD 100, Anne Arundel, MD
Over: STONY RUN
0.36 MI. E. OF SEVERN RD, Anne Arundel, MD
Over: GEORGES RUN
0.1 MI W OF FALLS RD, Baltimore, MD
Over: MIDDLE BRANCH
Milepost 0.2, Baltimore city, MD
Over: SILVER RUN
0.03 MI NW OF MAYBERRY RD, Carroll, MD
Over: LITTLE PIPE CREEK
ON FREDERICK CO LINE, Carroll, MD
Over: POPES CREEK
2 MI W US RTE 301, Charles, MD
Over: CATTAIL BRANCH
0.5 MI SW OF MD 140, Frederick, MD
Over: HUNTING CREEK
0.5 MI SE OF FREDERICK RD, Frederick, MD
Over: HUDSON BRANCH
FREDERICK RD & ROGERS AVE, Howard, MD
Over: CRABBS BRANCH WAY
5.84 MILE WEST OF MD 97, Montgomery, MD
Over: TRIB TO GOSHEN BRANCH
1.0 MILES WEST OF MD 124, Montgomery, MD
Over: MD 200 (ICC)
2.79 MI WEST OF MD650, Montgomery, MD
Over: NORTHWEST BRANCH
2.54 MI WEST OF MD650, Montgomery, MD
Over: Northwest Branch
2.54 Mi West of MD650, Montgomery, MD
Over: PATUXENT RIVER
ON ANNE ARUNDEL CO LINE, Prince George's, MD
Over: PATUXENT RIVER
ON ANNE ARUNDEL CO LINE, Prince George's, MD
Over: SUITLAND PARKWAY (GV 119
0.79 MI. S. OF MD 4, Prince George's, MD
Over: TRIB TO MATTAPONI CREEK
0.64 MI NORTH OF MD 382, Prince George's, MD
Over: UNNAMED POND
0.75 MI FROM PERRY CORNER, Queen Anne's, MD
Over: UNNAMED POND
0.75 MI FROM PERRY CORNER, Queen Anne's, MD
Over: CHAPTICO CREEK
0.7 MI N OF MD RTE 234, St. Mary's, MD
Over: ANTIETAM CREEK
0.06 MI W OF MD RTE 60, Washington, MD
Over: ADKINS MILL POND
0.23 MI N OF MD 350, Wicomico, MD
Over: N BRANCH OF PATAPSCO RIV
ON CARROLL CO LINE, Baltimore, MD
Over: CHRISTINA RIVER
0.34 MI N OF MD 273, Cecil, MD
Over: WEST BRANCH/WINTERS RUN
0.6 MILES E OF MD 152, Harford, MD
Over: GREEN BRANCH
1.8 MI WEST OF MD 424, Anne Arundel, MD
Over: GRAVES RUN
0.8 MI N BECKLEYSVILLE RD, Baltimore city, MD
Over: KERRICK SWAMP
2.1 MI S OF BILLINGSLEY, Charles, MD
Over: PLEASANT BRANCH
AT MD RT. 75 INTERSECTION, Frederick, MD
Over: DOLLYHYDE CREEK
1.0 MI SOUTH OF MD RTE 26, Frederick, MD
Over: TRIB. OF OWENS CREEK
0.1 MI NE OF MD RTE 550, Frederick, MD
Over: CSX RAILROAD
0.3 MILE SOUTH OF MD 7, Harford, MD
Over: CRABBS BRANCH WAY
5.84 MILE WEST OF MD 355, Montgomery, MD
Over: LONG BRANCH
AT LONG BRANCH PARKWAY, Montgomery, MD
Over: Little Paint Branch
1.23 MI W of I-95, Prince George's, MD
Over: KOONTZ RUN
0.05 MILE NORTH OF MD 657, Allegany, MD
Over: MOCKINGBIRD CREEK
2.3 MI E OF US 50, Wicomico, MD
Over: FIFTEENMILE CREEK
RP 2 IS 68 WB TO US 40SC, Allegany, MD
Over: GEORGES CREEK
0.06 MI W OF MD 936, Allegany, MD
Showing 4,401-4,450 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 |