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: LITTLE DEER CREEK
0.12 MI E OF LENTZ RD, Baltimore, MD
Over: WATTS BRANCH TRIBUTARY
0.1 MI S OF JCT SR 28, Montgomery, MD
Over: NORFOLK SOUTHERN RAILROA
0.64 MI E OF IS 81, Washington, MD
Over: NASSAWANGO CREEK
3 MI S OF MD RTE 350, Wicomico, MD
Over: C&O CANAL
2.0 miles west of Sharpsb, Washington, MD
Over: C&O CANAL
0.1 miles from Taylors La, Washington, MD
Over: HUNTING CREEK
0.2 MI SW OF MD 77, Frederick, MD
Over: LITTLE PATUXENT RIVER
.03 MI W OF YOUNGHEART, Howard, MD
Over: GUNPOWDER FALLS
1.3 MI E YORK RD, Baltimore, MD
Over: SOUTHWEST BRANCH
1.48 MI SOUTH OF MD 214, Prince George's, MD
Over: WATTS CREEK
0.47 MI NE OF MD 404, Caroline, MD
Over: MILL RUN
1.2 M NE FRNDSVLLEADDISON, Garrett, MD
Over: LITTLE FALLS
1.0 MI W OF YORK RD, Baltimore, MD
Over: EAST BRANCH PATAPSCO RIV
0.59 MI E OF RIDGE ROAD, Carroll, MD
Over: GILBERT SWAMP RUN
2.05 MILES S OF MD 6, Charles, MD
Over: POTOMAC RIVER TRIBUTARY
1.2 MI N OF WHITES FERRY, Montgomery, MD
Over: GUNPOWDER FALLS
0.5 MI E OF YORK RD, Baltimore, MD
Over: TINKERS CREEK
1.91 MILES N OF MD 223, Prince George's, MD
Over: DEER CREEK
1.0 MILE S OF CHERRY H RD, Harford, MD
Over: HOLLANDS BRANCH
1.1 MILES SW OF MD 161, Harford, MD
Over: CHERRY CREEK
0.1 MI S INT ROCK LODGE R, Garrett, MD
Over: MIDDLE PATUXENT RIVER
1 MI S OF MD RTE 144, Howard, MD
Over: BENNETT CREEK
0.1 MI N OF CLARKSBURG RD, Montgomery, MD
Over: LITTLE FALLS
200 FT S STABLERS CHURCH, Baltimore, MD
Over: MIDDLE BRANCH
0.5 MI S OF I 95, Baltimore city, MD
Over: GILBERT SWAMP RUN
0.04 MI W OF MD 234, Charles, MD
Over: ELLIOTT CREEK
0.34 MI. E. OF POKES ROAD, Dorchester, MD
Over: CASSELMAN RIVER
0.08 MI E OF MD RTE 495, Garrett, MD
Over: TRIB TO CHESTER RIVER
0.2 MI E OF MD RTE 298, Kent, MD
Over: SHANKS CREEK
0.5 MI N OF RHODES POINT, Somerset, MD
Over: NAYLORS POND STREAM
1.25 MI W OF US RTE 13, Wicomico, MD
Over: TRIBUTARY TO DEAD RUN
0.68 MI N OF IS 70, Baltimore, MD
Over: LITTLE PIPE CREEK
0.10 MI W OF AVONDALE RD, Carroll, MD
Over: LONG GREEN CREEK
1.52 MILES NW OF MD 147, Baltimore, MD
Over: TOWN CREEK
0.07 MI W OF GUN CLUB RD, Allegany, MD
Over: CATTAIL CREEK
0.5 MI E OF DAISY RD, Howard, MD
Over: BALD HILL BRANCH
0.04 MI W OF ELLERBIE ST, Prince George's, MD
Over: STEMMERS RUN
0.05 MI N OF OREMS RD, Baltimore, MD
Over: WINTERS RUN
0.96 MILE NORTH OF MD 147, Harford, MD
Over: PISCATAWAY CREEK
0.49 MI N OF MD 223, Prince George's, MD
Over: BEAR BRANCH
0.025 MI N PLEASANT VA, Carroll, MD
Over: ROCK CREEK
0.25 MI W OF AVERY RD, Montgomery, MD
Over: ROCK RUN
0.1KM S OF MACARTHUR BLVD, Montgomery, MD
Over: PINEY BRANCH
135 FT S BUNKER HILL RD, Charles, MD
Over: EAST BR PATAPSCO RIVER
0.55 MI W OF WESLEY ROAD, Carroll, MD
Over: CASSELMAN RIVER
0.41 MI N OF ALT US 40, Garrett, MD
Over: TRIBUTARY OF PATAPSCO RI
2.09 MI N OF MD RTE 99, Howard, MD
Over: LITTLE SENECA CREEK
0.5 MI E MD RTE 121, Montgomery, MD
Over: MD-295, B/W PARKWAY RAMP
0.6 MI S IS 95, Baltimore city, MD
Over: COLGATE CREEK
1.5 MI SE OF I-895, Baltimore city, MD
Showing 5,351-5,400 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.