Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.
Data updated May 2026
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 whose lowest applicable component is rated 0-4
-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 by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Maryland on the same metric.
CT
TN
MD
CO
OR
Six lowest-condition bridges in Maryland, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
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: WEST BRANCH PATAPSCO RIV
0.02 MILE WEST OF MD 852G, Carroll, MD
Over: BIG PIPE CREEK
1.01 MI N OF STONE ROAD, Carroll, MD
Over: ABANDONED RAILROAD
0.12 MI S OF BASIN RUN RD, Cecil, MD
Over: CSXT RR & WMATA METRO
0.24 MILES EAST OF MD 355, Montgomery, MD
Over: CSX TRANS.
1.28 MILES NORTH OF IS 70, Washington, MD
Over: GEORGES CREEK
0.16 MI NW OF MD RTE 936, Allegany, MD
Over: AMTRAK
0.7 MI W OF CATON AVENUE, Baltimore city, MD
Over: BIG PIPE CREEK
0.02 MI NW OF UNGER RD, Carroll, MD
Over: LITTLE ELK CREEK
0.62 MI N OF LEEDS RD, Cecil, MD
Over: SWANSON CREEK
1 MI E GALLANT GREEN RD, Charles, MD
Over: HUNTING CREEK
1.5 MILES SOUTH OF MD 550, Frederick, MD
Over: BEAR CREEK
0.13 MI NW OF US 219, Garrett, MD
Over: AMTRAK,SER RD,BEAVERDAM
0.16 MILE SOUTH OF US 50, Prince George's, MD
Over: WATERMAIN
150 ft S. I-95 NB, Prince George's, MD
Over: CSX TRANS.
1.28 MILES NORTH OF IS 70, Washington, MD
Over: BEAVER CREEK
0.7 MI NW OF MD RTE 68, Washington, MD
Over: CSX TRANSPORTATION
0.10 MI S OF US 40, Baltimore, MD
Over: GEORGES RUN
0.55 MI SW OF MD 25, Baltimore, MD
Over: STEMMERS RUN
0.2 MI SW OF ROSSVILLE RD, Baltimore, MD
Over: WESTERN RUN
0.1 MI S CROSS COUNTRY BL, Baltimore city, MD
Over: JONES FALLS
NB I-83 TO WB N PKWY, Baltimore city, MD
Over: MIDDLE BRANCH
0.6 MI E RUSSELL ST, Baltimore city, MD
Over: PROPOSED CANTON RR TRACK
Milepost M56.2, Baltimore city, MD
Over: MONOCACY RIVER
ON FRED CO LINE, Carroll, MD
Over: BRANCH OF BIG ELK CREEK
0.84 MILE NORTH OF MD 316, Cecil, MD
Over: SIDELING HILL CREEK
ON ALLEGANY CO LINE, Washington, MD
Over: CABIN BRANCH
0.5 MI E OF MD RTE 4, Anne Arundel, MD
Over: CHARLES RUN
500 FT S SHEPPERD ROAD, Baltimore, MD
Over: LONG QUARTER BRANCH
0.62 MI N OF MD 146, Baltimore, MD
Over: PARKER BRANCH
1.4 M SE OF OLD YORK RD, Baltimore, MD
Over: TRIBUTARY TO LITTLE GUNP
0.3 MI N FRANKLINVILLE RD, Baltimore, MD
Over: UNDERGROUND CONDUIT
0.2 MI N MADISON ST, Baltimore city, MD
Over: MTA LIGHT RAIL
ON RAMP SB I-83, Baltimore city, MD
Over: DESOTO RD
MILEPOST M52.4, Baltimore city, MD
Over: LIGHT RAIL
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: PINEY CREEK
0.08 MI N OF MD 194, Carroll, MD
Over: MIDDLE RUN
0.60 MI S OF DEER PARK RD, Carroll, MD
Over: BROAD CREEK
0.03 MILES E OF MD 646, Harford, MD
Over: METRO ACCESS ROAD
.7 MI S OF SHADY GROVE RD, Montgomery, MD
Over: BR OF INDIAN CREEK
0.32 MILE NORTH OF MD 201, Prince George's, MD
Over: BR OF INDIAN CREEK
0.32 MILE NORTH OF MD 201, Prince George's, MD
Over: SOUTH RIVER
2 MI SOUTH OF MD 665, Anne Arundel, MD
Over: NORFOLK SOUTHERN RR
.08 MILE SOUTH OF MD 695B, Baltimore, MD
Over: AMTRAK RAILROAD
0.1 MI NW EASTERN AVE EXT, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.4 MI S NORTHERN PKWY, Baltimore city, MD
Over: WESTERN RUN
0.2 MI E YORK RD, Baltimore city, MD
Over: ALLOWAY CREEK
0.11 MI N OF STARNERS DAM, Carroll, MD
Over: PINEY CREEK
0.54 MI WEST OF MD 194, Carroll, MD
Over: PINEY RUN
0.80 MI N RAINCLIFFE ROAD, Carroll, MD
Over: GRAVE RUN
ROHRBAUGH RD 0.36, Carroll, MD
Showing 3,051-3,100 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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.