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: MONROE STREET
RUSSELL ST VIA OV MONROE, Baltimore city, MD
Over: FAULKNER BRANCH
1.2 MILE NORTH OF MD 315, Caroline, MD
Over: ROOP BRANCH
.29 MILE NORTH OF MD 800B, Carroll, MD
Over: CABIN CREEK
1.84 MILE SOUTH OF MD 331, Dorchester, MD
Over: BALLENGER CREEK
1.74 MILES WEST OF IS 70, Frederick, MD
Over: MONOCACY RIVER
2.68 MILES N OF MD 194, Frederick, MD
Over: BUFFALO RUN
1.33 MI E OF MD RTE 42, Garrett, MD
Over: SWAN CREEK
0.26 MILE WEST OF MD 132B, Harford, MD
Over: TRIB / BYNUM RUN
0.8 MILES W OF MD 136, Harford, MD
Over: TIBER BRANCH
AT MAIN STREET, Howard, MD
Over: HAWLINGS RIVER
0.88 MILE SOUTH OF MD 650, Montgomery, MD
Over: DEEP CREEK
0.04 MI W OF MD 201, Prince George's, MD
Over: MANOKIN RIVER
0.08 MILE NORTH OF MD 918, Somerset, MD
Over: ROCKDALE RUN
0.8 MI SE OF MD 494, Washington, MD
Over: SPRING HILL BRANCH
0.61 MILE SOUTH OF MD 12A, Worcester, MD
Over: NORTH BRANCH CASSELMAN R
0.7 MI. WEST MD. RTE 495, Garrett, MD
Over: JONES FALLS
0.20 MILE SOUTH OF IS 83, Baltimore, MD
Over: NORTHEAST CREEK
0.10 MILE WEST OF MD 695, Baltimore, MD
Over: TRIBUTARY TO ROLAND RUN
0.6 MI N OF JOPPA RD, Baltimore, MD
Over: TRIBUTARY TO FIRST MINE
100 FT W OF VERNON ROAD, Baltimore, MD
Over: BLACKROCK RUN
0.2 MI E OF FALLS RD, Baltimore, MD
Over: CURTIS CREEK
2 MI S PATAPSCO AVE, Baltimore city, MD
Over: GWYNN FALLS , MIDDLE BR
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: EAST BRANCH PATAPSCO RIV
0.80 MI W OF HAMPSTEAD, Carroll, MD
Over: BIG PIPE CREEK
0.34 MI N OF STONE RD, Carroll, MD
Over: BIG ELK CREEK
0.47 MILE WEST OF MD 316, Cecil, MD
Over: BR OF NORTHEAST CREEK
0.41 MILE SOUTH OF MD 7C, Cecil, MD
Over: MONOCACY RIVER
0.98 MI W OF MONT CO, Frederick, MD
Over: MONOCACY RIVER
0.55 MI E OF US RTE 15, Frederick, MD
Over: BIG SHADE RUN
0.62 MILE WEST OF MD 669, Garrett, MD
Over: BR OF BYNUM RUN
0.3 MILE NORTH OF MD 136, Harford, MD
Over: ROCK RUN
0.01 MIL S OF ROCK RUN RD, Harford, MD
Over: MORGAN CREEK
1.83 MILES EAST OF MD 213, Kent, MD
Over: HENSON CREEK
.10 MI S OF SUITLAND PKWY, Prince George's, MD
Over: THREE BRIDGES BRANCH
0.39 MILE NORTH OF MD 305, Queen Anne's, MD
Over: MCINTOSH RUN
0.14 MILE SOUTH OF MD 243, St. Mary's, MD
Over: BRADDOCK RUN
0.02 MI W OF MD 55, Allegany, MD
Over: WINCHESTER RUN
0.62 MILE NORTH OF MD 951, Allegany, MD
Over: TRIB TO NORTH BR POTOMAC
1.21 M N OF MD 830A, Allegany, MD
Over: FLINTSTONE CREEK
0.02 MI E OF DOLLY RD, Allegany, MD
Over: BRANCH OF GWYNNS FALLS
0.48 MILE EAST OF IS 695, Baltimore, MD
Over: LONG GREEN CREEK
100 FT W LONG GREEN PIKE, Baltimore, MD
Over: ROLAND RUN
0.2 MI W OF BELLONA AVE, Baltimore, MD
Over: CURTIS CR, B&O RR
0.36 MI N OF AA CO LINE, Baltimore city, MD
Over: GAREY MILL POND BRANCH
2.0 MILES NORTH OF MD 317, Caroline, MD
Over: SAMS CREEK
ON FREDERICK CO LINE, Carroll, MD
Over: BIG PIPE CREEK
2.05 MILES N OF MD 84, Carroll, MD
Over: NORTHEAST CREEK
0.54 MILE EAST OF MD 272, Cecil, MD
Over: NORTHEAST CREEK
0.54 MILE EAST OF MD 272, Cecil, MD
Over: REEDER RUN
1.03 MILE NORTH OF MD 344, Charles, MD
Showing 1,601-1,650 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.