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: RED RUM RUN
0.19 M W OF MARKET STREET, Cecil, MD
Over: HIGH RUN
0.41 MILE NORTH OF US 15G, Frederick, MD
Over: MIDDLE CREEK
0.1 MI NE OF MD 17, Frederick, MD
Over: REDDY BRANCH
0.9 MI E OF JCT SR 97, Montgomery, MD
Over: CSX TRANS.
0.53 MILE WEST OF IS 81, Washington, MD
Over: CSX TRANS.
0.53 MILE WEST OF IS 81, Washington, MD
Over: BRANCH OF NORTH BRANCH
0.09 MI S OF PA LINE, Allegany, MD
Over: PATAPSCO RIVER
ON BALTIMORE COUNTY LINE, Anne Arundel, MD
Over: TRIB TO HERRING RUN
0.14 M N OF BALTO CITY, Baltimore, MD
Over: PROPOSED LANSDOWNE ROAD
0.31 MI S OF BALT CITY, Baltimore, MD
Over: CSX TRANSPORTATION
0.82 MI N OF MCDONOUGH RD, Baltimore, MD
Over: TRIBUTARY TO WEST BRANCH
0.17 MI S OF LOCUST AVE, Baltimore, MD
Over: CSX RAILROAD
HANOVER ST OVER CSX RR, Baltimore city, MD
Over: GWYNNS FALLS
MONROE ST & ANNAP RD, Baltimore city, MD
Over: MARYLAND MIDLAND RR
0.4 MILE NORTH OF MD 808B, Carroll, MD
Over: NORTH BR PATAPSCO RIVER
0.53 MI S OF WESLEY RD, Carroll, MD
Over: EAST BRANCH CHRISTIANA R
0.19 MI W OF MD 896, Cecil, MD
Over: SAVAGE RIVER
0.09 MI W OF ALLEGANY CO, Garrett, MD
Over: DORSEY RUN
0.5 MI S OF MD RTE 175, Howard, MD
Over: CRABBS CREEK
0.1 MI W OF REDLAND RD, Montgomery, MD
Over: BEAVERDAM ROAD
2.3 MILES NORTH OF MD ROU, Prince George's, MD
Over: MD ROUTE 197 (EBL)
1.9 MILES NORTH OF MD ROU, Prince George's, MD
Over: MEADOW BROOK
0.2 MI S OF IS 70, Washington, MD
Over: GEORGES CREEK
0.01 MI W OF MD 939, Allegany, MD
Over: TRIBUTARY TO HERRING RUN
0.25 MI W OF MD 41, Baltimore, MD
Over: NORTH BRANCH PATAPSCO RI
.04 MILE NORTH OF MD 879D, Carroll, MD
Over: SOUTH BR PATAPSCO RIVER
ON HOWARD CO LINE, Carroll, MD
Over: BIG ELK CREEK
0.04 MILE NORTH OF MD 268, Cecil, MD
Over: LITTLE CATOCTIN CREEK
0.61 MI N OF MD 871G, Frederick, MD
Over: WATTS BRANCH
0.21 MILE NORTH OF MD 28, Montgomery, MD
Over: BRUNETT AVENUE
0.297 MILE WEST OF US 29, Montgomery, MD
Over: BENNETT CREEK TRIBUTARY
0.6 MI N OF MOUNTAIN VIEW, Montgomery, MD
Over: DRY SENECA CREEK
1.5 MI S OF JCT SR 28, Montgomery, MD
Over: AMTRAK
0.18 MILE SOUTH OF MD 450, Prince George's, MD
Over: PROPOSED LANSDOWNE ROAD
0.31 MI S OF BALT CITY, Baltimore, MD
Over: PINEY CREEK
0.2 MI E. OF IS83,EXIT 24, Baltimore, MD
Over: P AND B RAILROAD
0.3 MI W OF MD 151, Baltimore, MD
Over: MTA, JONES FALLS, & C. M
ON RAMP, JFX-FALLS RD, Baltimore city, MD
Over: BEAVER RUN
0.44 MI S OF MD 140, Carroll, MD
Over: WEST BR PATAPSCO RIVER
0.04 MI N OF WESLEY ROAD, Carroll, MD
Over: AMTRAK
0.51 MILE WEST OF MD 279, Cecil, MD
Over: STONE RUN
0.7 M NW OF US RTE 1, Cecil, MD
Over: DRY SENECA CREEK
2.3 MI S OF JCT SR 28, Montgomery, MD
Over: LITTLE MONOCACY RIVER
0.7 MI S OF MT EPHRAM RD, Montgomery, MD
Over: WATTS BRANCH
0.9 MI W OF JCT SR 189, Montgomery, MD
Over: BEAVER DAM CREEK
CAPITAL BELTWAY TO EXIT 2, Prince George's, MD
Over: WMATA RAILROAD
1 mi. S. of Suitland Pkwy, Prince George's, MD
Over: BR OF CONOCOCHEAGUE CREE
0.81 MILE EAST OF MD 63, Washington, MD
Over: CONOCOCHEAGUE CREEK
0.85 MI SE OF PA LINE, Washington, MD
Over: SHARMANS BRANCH
0.83 MI SW OF MD RTE 34, Washington, MD
Showing 3,101-3,150 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 |