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: RED LION BRANCH
0.27 MILE NORTH OF MD 290, Queen Anne's, MD
Over: CABIN BRANCH
0.03 MI N OF MD 711, Anne Arundel, MD
Over: GWYNNS FALLS
0.4 MI NE LIBERTY RD, Baltimore, MD
Over: SAVAGE RIVER
.01 MILE WEST OF US 40AL, Garrett, MD
Over: BRANCH OF WYE RIVER
.06 M N OF TALBOT CO LINE, Queen Anne's, MD
Over: LOCUST RUN
1.62 MILES SOUTH OF MD 5, St. Mary's, MD
Over: CSX
1 MI E OF I-95, Baltimore city, MD
Over: HUNTING CREEK
CUNN. FALLS STATE PARK, Frederick, MD
Over: CSXT RAILROAD
0.5 MI EAST OF MD 355, Montgomery, MD
Over: INDIAN CREEK
0.9 MI NORTH OF MD 193, Prince George's, MD
Over: BROWNS BRANCH
0.73 MI. NE OF MD 300, Queen Anne's, MD
Over: NORTH BRANCH OF THE POTO
ON WEST VIRGINIA LINE, Garrett, MD
Over: ANTIETAM CREEK
ANTIETAM MD, Washington, MD
Over: RED RUN
0.6 MI SOUTH OF I-795, Baltimore, MD
Over: GREAT BOHEMIA CREEK
0.04 MI N OF BUNKER HI R, Cecil, MD
Over: MARLEY CREEK
0.13 M N OF PHELPS AVENUE, Anne Arundel, MD
Over: MILL CREEK
0.83 MILE EAST OF MD 222, Cecil, MD
Over: BIG RUN
0.16 MI NW SAVAGE RIVER R, Garrett, MD
Over: MD ROUTE 212
1.8 MILES SOUTH OF MD ROU, Prince George's, MD
Over: OCTORARO CREEK
0.88 MILE SOUTH OF US 1, Cecil, MD
Over: TRIB. OF CATOCTIN CREEK
0.3 MI W OF MT TABOR RD, Frederick, MD
Over: NORTHWEST BRANCH
0.05 MILE SOUTH OF MD 320, Prince George's, MD
Over: HAMBURG ST
Milepost 1.4, Baltimore city, MD
Over: BEAVERDAM CREEK
4.7 MILES S. OF MD. 16, Dorchester, MD
Over: SPICER CREEK
2.53 MILES W. OF MD. 335, Dorchester, MD
Over: ST JOHN CREEK
0.07 MI. E. OF PUNCH IS R, Dorchester, MD
Over: GOOSE CREEK
0.37 MI S OF TODDVILLE RD, Dorchester, MD
Over: FARM CREEK
0.68 MI. N. OF TODDVILLE, Dorchester, MD
Over: POKATA CREEK
7.93 MI.S. OF LEWIS W. RD, Dorchester, MD
Over: STOUT BOTTLE BRANCH
0.2 MILES W OF MD 543, Harford, MD
Over: GUNNERS BRANCH
1.21 MILES EAST OF MD 118, Montgomery, MD
Over: LOTTSFORD BRANCH
0.63 MI WEST OF MD 193, Prince George's, MD
Over: WILLS BRANCH
1.1 MI S LOCUST GROVE DR, Charles, MD
Over: AMTRAK RAILROAD
0.3 MILES SE OF MD 159, Harford, MD
Over: UNNAMED STREAM
1.5 MI EAST OF RTE 1, Howard, MD
Over: UNNAMED STREAM
0.4 Mile West of MD 1, Howard, MD
Over: PETERS CREEK
1 MI NW OF MD RTE 349, Wicomico, MD
Over: COULTON RUN
0.13 MI WEST OF US RT. 1, Baltimore, MD
Over: CHOPTANK RIVER
0.04 MILE WEST OF MD 313, Caroline, MD
Over: GRANNY FINLEY BRANCH
1.1 MI. WEST OF MD 213, Queen Anne's, MD
Over: SAINT JAMES RUN
1.0 MI NE OF MD RTE 68, Washington, MD
Over: SOUTH BRANCH OF PATAPSCO
WATERSVILLE RD 2.81, Carroll, MD
Over: NORWICH CREEK
ON TALBOT CO LINE, Queen Anne's, MD
Over: WESTERN RUN
0.1 MI N CROSS COUNTRY BL, Baltimore city, MD
Over: LITTLE MONOCACY RIVER
0.6 MI S OF JCT SR 28, Montgomery, MD
Over: PASSERDYKE CREEK
ON SOMERSET CO LINE, Wicomico, MD
Over: REDHOUSE CREEK
0.79 MILES EAST OF US 1, Baltimore, MD
Over: FLAT RUN
0.75 MILE SOUTH OF US 15, Frederick, MD
Over: TRIB OF PATUXENT RIVER
1000 FT S BOWIE RACE TRCK, Prince George's, MD
Over: ANTIETAM CREEK
1.9 MILES EAST OF MD 65, Washington, MD
Showing 3,451-3,500 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.