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: BIG PIPE CREEK
3.35 MILE NORTH OF MD 496, Carroll, MD
Over: SNOWDEN RUN
1.89 MI W OF MINERAL HILL, Carroll, MD
Over: FISHING CREEK
0.07 MI N OF POWELL RD, Frederick, MD
Over: BROAD CREEK
0.3 MILES N OF MD 543, Harford, MD
Over: LITTLE GUNPOWDER FALLS
1.8 MI NE OF FORK ROAD, Baltimore, MD
Over: BLACKROCK RUN
0.1 MI E OF FALLS RD, Baltimore, MD
Over: LITTLE FALLS
0.8 MI W OF YORK ROAD, Baltimore, MD
Over: NORTH BRANCH OF PATAPSCO
AT BALT-CARROLL CO LINE, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
0.75 MI NE OF LIBERTY RD, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
0.1 MI S OF LYNN HAVEN DR, Baltimore, MD
Over: CSXT RR
Milepost M7.65, Baltimore city, MD
Over: GRAVELLY BRANCH
1.8 MI N OF MD RTE 314, Caroline, MD
Over: NORTH FORK LINGANORE CRK
0.6 MI N OF EMERS BURR RD, Frederick, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.12 MILE WEST OF MD 560, Garrett, MD
Over: ROCK CREEK
RT 28 SOUTH OF ROCKVILLE, Montgomery, MD
Over: CATTAIL BRANCH
0.35 MI S OF MD 202, Prince George's, MD
Over: BALD HILL BRANCH
0.12 MI W OF MAIN STREET, Prince George's, MD
Over: TRIB TO NORTHWEST BRANCH
0.05 MI S OF ARUNDEL ROAD, Prince George's, MD
Over: BW PARKWAY
0.3 MILES NORTH OF MD ROU, Prince George's, MD
Over: ISRAEL CREEK
0.08 MI W OF MD RTE 67, Washington, MD
Over: LITTLE ANTIETAM CREEK
0.4 MI W OF MD RTE 67, Washington, MD
Over: EAST BRANCH WICOMICO RIV
0.18 MILE S OF US 50BU, Wicomico, MD
Over: CARROLL BRANCH
0.5 MI S OF SPARKS RD, Baltimore, MD
Over: PRETTYBOY RESERVOIR
0.7 MI E BECKLEYS RD, Baltimore, MD
Over: PATUXENT RIVER
ON CHARLES CO LINE, Calvert, MD
Over: PINEY CREEK
0.70 MI N OF KEYSVILLE RD, Carroll, MD
Over: GILLIS FALLS
0.04 MI N OF FLAG MARSH, Carroll, MD
Over: SOUTH BRANCH PATAPSCO RI
ON HOWARD COUNTY LINE, Carroll, MD
Over: BOHEMIA RIVER
2.3 MILES SOUTH OF MD 310, Cecil, MD
Over: ANTIETAM CREEK
1.2 MILES EAST OF MD 65, Washington, MD
Over: C&O CANAL
0.3 MILES FROM POTOMAC RI, Frederick, MD
Over: PEDESTRIAN TUNNEL
BWI HOURLY GARAGE TO TERM, Anne Arundel, MD
Over: NORTH BRANCH
1.81 MI N OF MD 130, Baltimore, MD
Over: PATAPSCO RIVER
0.1 MI S JOHNNYCAKE ROAD, Baltimore, MD
Over: NO. 9 TROLLEY TRAIL
0.2 MI N FREDERICK RD, Baltimore, MD
Over: BROADWAY BRANCH
1.47 MILE NORTH OF MD 287, Caroline, MD
Over: SAMS CREEK
ON FREDERICK CO LINE, Carroll, MD
Over: BIG PIPE CREEK
0.91 MILE SOUTH OF MD 832, Carroll, MD
Over: LONG BRANCH
0.504 M W OF CAR. CO LINE, Frederick, MD
Over: CATOCTIN CREEK
1.52 MILES N OF MD 180, Frederick, MD
Over: FISHING CREEK
0.12 MI W OLD FREDERICK R, Frederick, MD
Over: BEAR CREEK
0.01 MI S ACC FRNDVLLE RD, Garrett, MD
Over: DEER CREEK
2.64 MILES SOUTH OF US 1, Harford, MD
Over: MATAPONI CREEK
0.08 MI S OF MATTAPONI RD, Prince George's, MD
Over: SUITLAND PARKWAY
1.8 MILES FROM SUITLAND R, Prince George's, MD
Over: EAST CREEK
0.5 MI W OF TULLS CORNER, Somerset, MD
Over: LICKING CREEK
0.26 MILE EAST OF IS 70, Washington, MD
Over: SINEPUXENT BAY
0.17 MILE WEST OF MD 528, Worcester, MD
Over: STONEY CREEK
0.16 MILE SOUTH OF MD 642, Anne Arundel, MD
Over: SPA CREEK
ANNAPOLIS MD., Anne Arundel, MD
Showing 1,301-1,350 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.