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: SCOTTS LEVEL BRANCH
0.67 MI N OF MD 26, Baltimore, MD
Over: GRAVES RUN
0.6 MI N OF BECKLEYSVILLE, Baltimore, MD
Over: MD 25, FALLS RD
OFF RAMP OVER FALLS RD, Baltimore city, MD
Over: ON RAMP FROM FALLS ROAD
JFX OVER FALLS RD ON RAMP, Baltimore city, MD
Over: PATUXENT RIVER
1.2 MI W OF MD 94, Howard, MD
Over: BUCKLODGE BRANCH
3.12 MILES NORTH OF MD 28, Montgomery, MD
Over: GREAT SENECA CREEK
1.3 MILES NORTH OF MD 28, Montgomery, MD
Over: CSXT RAILROAD
0.5 MILES EAST OF MD 355, Montgomery, MD
Over: SLIGO CREEK
0.7 MI E OF JCT SR 97, Montgomery, MD
Over: ROCK CREEK
0.15 MI N OF JCT SR 547, Montgomery, MD
Over: TRACYS CREEK
0.11 MI SOUTH OF MD 258, Anne Arundel, MD
Over: I-83 BERM
NEAR COLDSPRING LANE, Baltimore city, MD
Over: SAINT LEONARD CREEK
0.3 MI N OF MD RTE 2/4, Calvert, MD
Over: SMALL STREAM
0.1 MI EAST OF MD RTE 85, Frederick, MD
Over: STANSFIELD RD
0.50 MI N OF PG CO, Howard, MD
Over: TUSCARORA CREEK
0.25 MI E OPOSSUMTOWN PIK, Frederick, MD
Over: CSX TRANSPORTATION
0.3 MI W OF ALLEGANY CO, Garrett, MD
Over: CABIN JOHN CREEK
1 MI E OF SEVEN LOCKS RD, Montgomery, MD
Over: CSX RAILROAD
0.1 MILES SOUTH OF MD ROU, Prince George's, MD
Over: CORSICA RIVER
0.2 MI N OF MD RTE 304, Queen Anne's, MD
Over: I-83 SB
ON RAMP TO SB I-83, Baltimore city, MD
Over: WESTERN RUN
0.1 MI N OF KELLY AVE, Baltimore city, MD
Over: AMTRAK
0.12 MILE WEST OF MD 7C, Cecil, MD
Over: WINTERS RUN
1.1 MILES W OF MD 24, Harford, MD
Over: BUTLER BRANCH
0.03 MI N OF ARMOR DRIVE, Prince George's, MD
Over: TUCKAHOE CREEK
0.9 MI E. OF MD 481, Queen Anne's, MD
Over: GREEN HILL CREEK
3.82 MILES WEST OF MD 349, Wicomico, MD
Over: MILL RUN
0.9 MILE SOUTH OF MD 830B, Allegany, MD
Over: PATAPSCO RIVER
ON BALT CO LINE, Anne Arundel, MD
Over: PATAPSCO RIVER
ON BALT CO LINE, Anne Arundel, MD
Over: GUNPOWDER FALLS
1.0 MI NW OF CARROLL ROAD, Baltimore, MD
Over: LITTLE CATOCTIN CREEK
0.2 M E OF HARMONY ROAD, Frederick, MD
Over: ISRAEL CREEK
0.5 MI E OF MD RTE 194, Frederick, MD
Over: ISRAEL CREEK
0.5 MI S OF WALKERSVILLE, Frederick, MD
Over: BR OF MIDDLE PATUXENT RI
1.5 MILES WEST OF US 32, Howard, MD
Over: RED LION BRANCH
0.3 MI. NE OF MD 290, Queen Anne's, MD
Over: NORTHWEST BRANCH
0.68 MILE EAST OF MD 212, Prince George's, MD
Over: FLINTSTONE CREEK
0.02 MI S OF MD 144, Allegany, MD
Over: STREAM
Milepost M7.8, Baltimore city, MD
Over: MARYLAND MIDLAND RR
0.26 MILE SOUTH OF MD 550, Frederick, MD
Over: YOUGHIOGHENY RIVER
0.5 M NW INT UNDERWOOD RD, Garrett, MD
Over: LITTLE PAINT BRANCH
0.23 MILE NORTH OF MD 212, Prince George's, MD
Over: WYE NARROWS
WYE ISLAND, Queen Anne's, MD
Over: NCR TRAIL
0.12 MI N OF FREDERICK RD, Baltimore, MD
Over: ROCK RUN
0.1 MI NW OF ROCK RUN RD, Harford, MD
Over: FOLLY BRANCH
1.11 MILES WEST OF MD 193, Prince George's, MD
Over: SLADE RUN
0.74 MI N OF MD 128, Baltimore, MD
Over: TURKEYFOOT RUN
0.04 MI N OF SMITH RD, Carroll, MD
Over: LITTLE PATUXENT RIVER
0.23 M S OF SHAKER DRIVE, Howard, MD
Over: MILL POND
0.01 MI W OF BRICES MILL, Kent, MD
Showing 3,351-3,400 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.