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: LITTLE SENECA CREEK TRIB
0.1 MI N OF CRYSTAL ROCK, Montgomery, MD
Over: EVITTS CREEK
0.14 MI E OF CUMBERLAND, Allegany, MD
Over: TRIBUTARY TO GWYNNS FALL
0.09 MI E OWINGS MILLS BL, Baltimore, MD
Over: I695 STEMMERS RUN
2.8 Mile North of I-895, Baltimore, MD
Over: CSX
0.3 MI W OF ERDMAN AVE, Baltimore city, MD
Over: CSXT RR
0.18 MI N OF CHEMICAL RD, Baltimore city, MD
Over: PRINCIPIO CREEK
0.64 MILE SOUTH OF US 40, Cecil, MD
Over: DOUBLE PIPE CREEK
ON CARROLL CO LINE, Frederick, MD
Over: BALLENGER CREEK
0.1 MI N OF LAMBERT DRIVE, Frederick, 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: NASSAWANGO CREEK
1.23 MI SW OF MD 12, Worcester, MD
Over: TRIBUTARY TO BIG PIPE CR
0.21 MI. N. OF MD 496, Carroll, MD
Over: TRIBUTARY TO PATAPSCO RI
1.24 MILES S OF MD 144, Baltimore, MD
Over: BRANCH OF BASIN RUN
1.06 MILES N OF MD 276, Cecil, MD
Over: US 40 NATIONAL PIKE
0.3 mi N of I-68, Garrett, MD
Over: US 40 NATIONAL PIKE
0.3 mi N of I-68, Garrett, MD
Over: TRIB / DEER CREEK
0.05 M W OF LONG CORNER R, Harford, MD
Over: I-95
1 MILE SOUTH OF MD 198, Prince George's, MD
Over: CONOCOCHEAGUE CREEK
1.34 MILES WEST OF MD 63, Washington, MD
Over: CONOCOCHEAGUE CREEK
1.34 MILES WEST OF MD 63, Washington, MD
Over: WHITE SULPHUR RUN
1.64 MILES S OF US 40, Allegany, MD
Over: AMTRAK, STONY RUN
0.14 MI S OF IS 195, Anne Arundel, MD
Over: FROM INTERSTATE AVE
0.1 MI. S. OF BOSTON ST., Baltimore city, MD
Over: CSX RAILROAD
1 BLOCK WEST OF MD 30, Carroll, MD
Over: FRIENDS CREEK
0.12 MI N OF FRIENDS CR R, Frederick, MD
Over: TRIBUTARY 96
1.2 MI. W OF US 15, Frederick, MD
Over: DEER CREEK
2.11 MILES S OF MD 623, Harford, MD
Over: CSX TRANS, BROCK BRIDGE
ON ANNE ARUNDEL CO LINE, Howard, MD
Over: PAINT BR & PB TRAIL
0.65 MILE SOUTH OF MD 430, Prince George's, MD
Over: PINEY CREEK
0.65 MI N of Turkey Point, Cecil, MD
Over: TRIB / DEER CREEK
0.2 M W OF LONG CORNER RD, Harford, MD
Over: BUTCHERS RUN
0.16 MI W OF MD 36, Allegany, MD
Over: GUNPOWDER FALLS
0.02 MI E OF MD 567, Baltimore, MD
Over: I95/I695 (INTERCHANGE)
I-695/I-95 Interchange, Baltimore, MD
Over: TRIBUTARY TO ST. JOHN CR
0.5 MI WEST OF MD 760, Calvert, MD
Over: HERRING RUN
0.22 MI NE OF MD 404, Caroline, MD
Over: BOLIVAR BRANCH
AT BOLIVAR RD INTERSECTN, Frederick, MD
Over: MOUNTAIN BRANCH
0.05 MILES S OF SINGER RD, Harford, MD
Over: TRIBUTARY OF NBRC
1.34 MI W OF MD 97, Montgomery, MD
Over: Paint Branch
1.40 Mi East of MD650, Montgomery, MD
Over: US 29 & Ramp SE, NB&EB
0.5 Mi S of Briggs Chaney, Montgomery, MD
Over: NCR TRAIL & LITTLE FALLS
0.55 MILE SOUTH OF MD 45, Baltimore, MD
Over: DOCK ROAD
0.2 MI S OF FSK BR W ABUT, Baltimore city, MD
Over: GRAVELLY BRANCH
0.6 MILES EAST OF MD 313, Caroline, MD
Over: GUNNERS BR,CSXT RR
.5 MI S OF MIDDLEBROOK RD, Montgomery, MD
Over: MD 200 (ICC)
5.03 Mi East of MD97, Montgomery, MD
Over: KINGS CREEK
2.3 MI S OF PRINCESS ANNE, Somerset, MD
Over: JENKINS CREEK
0.6 MI S OF CRISFIELD RD, Somerset, MD
Over: BR OF CONOCOCHEAGUE CREE
0.10 MI N OF US 11, Washington, MD
Showing 4,201-4,250 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 |