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: BEAVER CREEK
0.2 MI S OF MD RTE 844, Washington, MD
Over: STEMMERS RUN
0.14 MI S OF ROSSVIL BLVD, Baltimore, MD
Over: BRIEN RUN
0.60 MI S OF US 40, Baltimore, MD
Over: Maryland Midland Railway
0.1 MI SE OF MD 194, Carroll, MD
Over: CATOCTIN CREEK
0.5 MI W OF OLD HAGERSTOW, Frederick, MD
Over: MILL RUN
0.01 MI S MILL RUN ROAD, Garrett, MD
Over: OVERSHOT BRANCH
1.0 MILES S OF MD 152, Harford, MD
Over: GRAYS INN CREEK
0.25 MILE WEST OF MD 20, Kent, MD
Over: OWENS CREEK
0.87 MILES SOUTH OF MD 77, Frederick, MD
Over: HAWLINGS RIVER
1 MI W OF JCT SR 650, Montgomery, MD
Over: MATAPONI CREEK
0.65 MI SW OF MD 382, Prince George's, MD
Over: WESTERN RUN
0.75 MILE NORTH OF MD 145, Baltimore, MD
Over: FORMER HUTZLER'S DEPARTM
E OF DULANEY VALLEY RD, Baltimore, MD
Over: SCOTTS LEVEL BRANCH
0.4 MI S OF WINANDS RD, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.20 MI E OF OAKLEIGH RD, Baltimore, MD
Over: BIG PIPE CREEK
0.62 MI N OF SAW MILL RD, Carroll, MD
Over: TRIBUTARY OF PINEY RUN
1.06 MI N RAINCLIFFE ROAD, Carroll, MD
Over: BR OF MORGAN CREEK
0.3 M N OF BIG WOOD ROAD, Kent, MD
Over: GUNPOWDER FALLS
0.6 MI SW BUNKER HILL RD, Baltimore, MD
Over: SOUTH BRANCH CASSELMAN R
0.06 MI E BEAR HILL RD, Garrett, MD
Over: Rockville Center Multipl
0.5 Miles West of Md. 355, Montgomery, MD
Over: SHERRICKS RUN
0.16km (0.1 MILES) TO ROH, Washington, MD
Over: TOMS CREEK
0.5 MILES S OF SIXES ROAD, Frederick, MD
Over: LITTLE PIPE CREEK
1.12 MI N OF GOOD INTENT, Frederick, MD
Over: ROBERT FULTON DRIVE
1.0 MI S OF MD RTE 175, Howard, MD
Over: TANHOUSE CREEK
1.29 MI SW OF MD 365, Worcester, MD
Over: MAGOTHY RIVER
0.84 MI N OF MD 648D, Anne Arundel, MD
Over: BIG PATUXENT RIVER
0.8 MILES NORTH OF MD ROU, Anne Arundel, MD
Over: BR OF LONG GREEN CREEK
0.46 MI N OF SHARON DR, Baltimore, MD
Over: PRINCIPIO CREEK
0.12 MI S OF RED TOAD RD, Cecil, MD
Over: MONOCACY RIVER
2.5 MI S OF KEYSVILLE RD, Frederick, MD
Over: BR OF DRY SENECA CREEK
0.98 MILE WEST OF MD 117, Montgomery, MD
Over: CLARA BARTON PARKWAY
0.7 MILES WEST OF MACARTH, Montgomery, MD
Over: PARKING GARAGE
1 KM W OF RT. 185, Montgomery, MD
Over: MCGILL RUN
3.00 MI W OF MD 25, Baltimore, MD
Over: TRIBUTARY TO BRIEN RUN
0.1 MI NE OF ROSSVILLE BL, Baltimore, MD
Over: MORGAN RUN
250 FT S OF SALEM BOTTOM, Carroll, MD
Over: CATOCTIN CREEK
0.6 M S OF MAERK ROAD, Frederick, MD
Over: COLLINGTON BRANCH
0.18 MILE WEST OF MD 214, Prince George's, MD
Over: CABIN BRANCH
1.61 MILES N OF MD 725, Prince George's, MD
Over: PAINT BRANCH
0.1 MILES NE N AVE, Prince George's, MD
Over: JENNINGS RUN
1.3 MI W OF MD 35, Allegany, MD
Over: WESTERN RUN
0.1 MI N CROSS COUNTRY BL, Baltimore city, MD
Over: STONY RUN
OVERHILL RD OV STONY RUN, Baltimore city, MD
Over: MARYLAND MIDLAND RR
.12 MILE SOUTH OF MD 852G, Carroll, MD
Over: SILVER RUN
0.05 MI N OF MAYBERRY RD, Carroll, MD
Over: NORTHEAST CREEK
0.1 MILE NORTH OF MD 7C, Cecil, MD
Over: CABIN JOHN CREEK & CABIN
1.6 MILES SOUTH OF I-495., Montgomery, MD
Over: BW PARKWAY
0.4 MILES NORTH OF I-95, Prince George's, MD
Over: ACCESS RAMP TO BW PARKWA
0.6 MILES SOUTH OF MD ROU, Prince George's, MD
Showing 1,201-1,250 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.