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: MIDDLE PATUXENT RIVER
0.18 MILE NORTH OF IS 95I, Howard, MD
Over: LITTLE PATUXENT RIVER
0.46 MILE SOUTH OF MD 32, Howard, MD
Over: TERRAPIN BRANCH
0.02 MILE WEST OF MD 32, Howard, MD
Over: BRANCH OF LITTLE PATUXEN
0.01 MI N MD RTE 108, Howard, MD
Over: WEST FORK LANGFORD CREEK
0.1 MI E SANDY BOTTOM RD, Kent, MD
Over: SLIGO CREEK
0.69 MILE SOUTH OF MD 193, Montgomery, MD
Over: WILLET BRANCH
0.1 MI N DORSET AVE, Montgomery, MD
Over: TRIB TO PAINT BRANCH
.1 MI S OF PAINT BR PKWY, Prince George's, MD
Over: ISRAEL CRK, APPALA. TRL.
0.18 MILE EAST OF MD 67, Washington, MD
Over: SEMPLE RUN
.5 MI W. OF I70, Washington, MD
Over: BARREN CREEK
0.26 MILE EAST OF MD 313, Wicomico, MD
Over: PUSEY BRANCH
0.25 MI N OF SAND ROAD, Worcester, MD
Over: CENTRE ST, QUEEN CITY DR
0.52 MI E OF US 48H, Allegany, MD
Over: PEA VINE RUN
0.80 MI W OF MD 807, Allegany, MD
Over: HALL CREEK
1.0 MI WEST OF MD RTE 2, Anne Arundel, MD
Over: HERBERT RUN
I-895 Milepost 2.0, Baltimore, MD
Over: HERBERT RUN
Milepost M2.0, Baltimore, MD
Over: HERRING RUN
0.2 MI N BELVEDERE AVE, Baltimore city, MD
Over: WESTERN RUN
0.03 MI W SMITH AVE-FALLS, Baltimore city, MD
Over: GREENE'S BRANCH
0.03 MI N PAPER MILL RD, Baltimore city, MD
Over: FROM KEITH AVE SPUR
Milepost M56.6, Baltimore city, MD
Over: CHILDS ST, RR
Milepost M8.33, Baltimore city, MD
Over: BIG PIPE CREEK
1.02 MILE NORTH OF MD 140, Carroll, MD
Over: BUCKHORN RUN
0.75 MI E OF FRETER ROAD, Carroll, MD
Over: BR OF HONGA RIVER
1.76 MILE SOUTH OF MD 336, Dorchester, MD
Over: GREAT MARSH CREEK
2.15 MILE SOUTH OF MD 336, Dorchester, MD
Over: WARWICK RIVER
N OF SECRETARY, Dorchester, MD
Over: MONOCACY RIVER
1.5 MILES SOUTH OF I-70, Frederick, MD
Over: MONOCACY RIVER
0.18 MI W OF DUBLIN ROAD, Frederick, MD
Over: N BRANCH POTOMAC RIVER
ON WEST VIRGINIA LINE, Garrett, MD
Over: CARSINS RUN
0.66 MILE NORTH OF MD 22, Harford, MD
Over: BIG BRANCH
0.5 MILES N OF MD 136, Harford, MD
Over: EASTERN NECK NARROWS
EASTERN NECK ISLAND ROAD, Kent, MD
Over: SHADY BRANCH
0.3 M S OF SAM EIG HWY, Montgomery, MD
Over: NORTHEAST BRANCH
0.45 MILE NORTH OF MD 450, Prince George's, MD
Over: BR OF SOUTHWEST BR
0.08 MILE SOUTH OF MD 214, Prince George's, MD
Over: BURCH BRANCH
1.77 MILES EAST OF MD 223, Prince George's, MD
Over: GERMAN BRANCH
2 MI FROM MD RTE 405, Queen Anne's, MD
Over: WHITEHALL RD
1.05 MILES WEST OF MD 66, Washington, MD
Over: WHITEHALL RD
1.05 MILES WEST OF MD 66, Washington, MD
Over: LAUREL RUN
1.26 MI W OF MD RTE 935, Allegany, MD
Over: BOULTERS WAY
1.38 MI E OF MD 783, Anne Arundel, MD
Over: COLLEGE CREEK
0.42 MI S OF MD 435, Anne Arundel, MD
Over: INDIAN RUN
0.05 MILE WEST OF MD 25, Baltimore, MD
Over: NORTH BRANCH
1.50 MILE EAST OF MD 129, Baltimore, MD
Over: SECOND MINE BRANCH
100 FT NW WHITEHALL RD, Baltimore, MD
Over: GUNPOWDER FALLS
1.1 MI S MIDDLETOWN RD, Baltimore, MD
Over: CALVERT ACCESS ROAD S
Milepost M1.8, Baltimore, MD
Over: CALVERT ACCESS ROAD S
Milepost M1.8, Baltimore, MD
Over: JONES FALLS
0.3 MI E GAY ST, Baltimore city, MD
Showing 2,751-2,800 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.