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: NASSAWANGO CREEK
1.10 MI SW OF MD 12, Worcester, MD
Over: COONFOOT BRANCH
0.76 MI N OF US RTE 113, Worcester, MD
Over: TOWN CREEK
1.95 MI N OF L TOWN CK RD, Allegany, MD
Over: TOWN BRANCH
0.2 MI WEST OF MD 75, Frederick, MD
Over: BROAD CREEK
2.63 MI S OF PA LINE, Harford, MD
Over: OLD MONT. RD & DEEP RUN
0.62 MILE WEST OF MD 103, Howard, MD
Over: I-370 RAMP M(3)
.23 MI E OF MD 355, Montgomery, MD
Over: BRANCHVILLE ROAD
.04 MILES N OF MD 193, Prince George's, MD
Over: STREET ROAD
0.92 M E OF BR NO 0114600, Allegany, MD
Over: BRADDOCK RUN
0.14 MI NW OF US 40 ALT, Allegany, MD
Over: TRIBUTARY TO SEVERN RUN
0.19 MI. N. OF MD 174, Anne Arundel, MD
Over: BROAD RUN
0.2 MI. E. OF SCHUCKS RD, Harford, MD
Over: NORTHWEST BRANCH
0.10 MILE EAST OF MD 501, Prince George's, MD
Over: TRIB / LITTLE DEER CREEK
0.5 MILES N OF LEMON RD, Harford, MD
Over: Carey Branch
1.5 MILE SOUTH OF I-495, Prince George's, MD
Over: JENNINGS RUN
0.12 MI N OF MD 35, Allegany, MD
Over: TRIBUTARY TO GUNPOWDER F
0.5 MI. NE OF SR 45, Baltimore, MD
Over: TROUT RUN
0.9 MILES EAST OF US 219, Garrett, MD
Over: STILL CREEK
1.2 MI FROM GREENBELT RD, Prince George's, MD
Over: RICE ROAD
1.71 MILES EAST OF MD 903, Washington, MD
Over: ROCK CREEK TRIBUTARY
0.07 MILE WEST OF MD28, Montgomery, MD
Over: STEMMERS RUN
I-95/I-695 Interchange, Baltimore, MD
Over: LITTLE BENNETT CREEK
1.8 MI S OF PETERS RD, Frederick, MD
Over: WEST BRANCH/ WINTERS RUN
0.2 MILES E OF MD 146, Harford, MD
Over: BRANCH OF BEAVERDAM RUN
RP FR PADONIA TO I 83 SB, Baltimore, MD
Over: TRIBUTARY TO HALL CREEK
1.10 MI EAST OF MD 4, Calvert, MD
Over: PRINCIPIO CREEK
0.06 MI N OF PRINCIPIO RD, Cecil, MD
Over: CARROLL CREEK
0.02 M E OF BENTZ ST, Frederick, MD
Over: BROAD CREEK
2.2 MILES SW OF MD 136, Harford, MD
Over: BROAD RUN TRIBUTARY
1 MI W OF ELGIN ROAD, Montgomery, MD
Over: NURSERY RUN
0.98 MILES EAST OF MD 182, Montgomery, MD
Over: Ramp NB to Briggs Chaney
0.8 Mi S Briggs Chaney Rd, Montgomery, MD
Over: BLOCKSTON BRANCH
2.55 MILES S OF MD 304, Queen Anne's, MD
Over: CSX
FORT AVENUE OVER CSX RR, Baltimore city, MD
Over: GREAT SENECA CREEK
.6 MI SE OF BLUNT ROAD, Montgomery, MD
Over: HOURLY PARKING GARAGE
BWI HOURLY PARK GARAGE, Anne Arundel, MD
Over: CSX TRANSPORTATION
0.16 MILE NORTH OF IS 95, Cecil, MD
Over: MONOCACY RIVER
ON CARROLL CO LINE, Frederick, MD
Over: BENS BRANCH
0.5 MI WEST OF MD 75, Frederick, MD
Over: TRIB / THOMAS RUN
0.8 MILES SE OF US 1, Harford, MD
Over: SELBY BAY
0.40 MI E OF MD 214, Anne Arundel, MD
Over: ROLAND RUN
0.4 MI S OF TIMONIUM RD, Baltimore, MD
Over: FISHING CREEK
0.44 MI S OF KAPPOPOS WAY, Calvert, MD
Over: WATERFORD BRANCH
0.1 MI. W. OF MD 2/MD 4, Calvert, MD
Over: WOODVILLE BRANCH
AT MATTIE HAINES RD INTER, Frederick, MD
Over: OAKMONT AVENUE
0.37 MILE EAST OF MD 355, Montgomery, MD
Over: RED LION BRANCH
.84 MI. NE OF MD 290, Queen Anne's, MD
Over: INDIAN CREEK
0.84 MI W OF MD 201, Prince George's, MD
Over: DEER CREEK
0.8 MILES N OF MD 165, Harford, MD
Over: DORSEY BRANCH
800 FT S OF MD 175, Howard, MD
Showing 4,851-4,900 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.