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: TRIB TO NORTH BR POTOMAC
1.46 MI N OF MD 830A, Allegany, MD
Over: TRIBUTARY TO BRICE RUN
0.92 MI S OF MD 26, Baltimore, MD
Over: PATUXENT RIVER & TOWN CR
ON ST MARYS CO LINE, Calvert, MD
Over: ALLOWAY CREEK
1.26 MILES S OF PA LINE, Carroll, MD
Over: BIG PIPE CREEK
0.37 MI SE OF MAYBERRY RD, Carroll, MD
Over: CATOCTIN CREEK
0.6 MILE SOUTH OF IS 70, Frederick, MD
Over: CYPRESS BRANCH
0.8 MI NW OF BIG STONE RD, Kent, MD
Over: TRED AVON RIVER
1 MI NE OF OXFORD, Talbot, MD
Over: STONEY CREEK
50M EAST OF E PALMER RD, Montgomery, MD
Over: NEFF RUN
0.14 MI S OF MD 36, Allegany, MD
Over: LITTLE GUNPOWDER FALLS
ON HARFORD CO LINE, Baltimore, MD
Over: TRIBUTARY TO BEAR CREEK
0.8 MI EAST OF MD 157, Baltimore, MD
Over: TRIBUTARY TO NORTH BRANC
1.3 MI E OF MD 140, Carroll, MD
Over: BEAVERDAM CREEK
0.1 MI W ADAMS WILLETT RD, Charles, MD
Over: DITCHLEY PRONG
0.1 MI E SHILOH CHURCH RD, Charles, MD
Over: POTOMAC RIVER, CSX, C&O
POINT OF ROCKS, Frederick, MD
Over: MIDDLE CREEK
1.13 MILES N OF MD 383, Frederick, MD
Over: CATOCTIN CREEK
0.05 M E OF MARKER ROAD, Frederick, MD
Over: CSX TRANSPORTATION
0.05 MILE WEST OF US 219, Garrett, MD
Over: SUSQUEHANNA RIVER-PA RR
HARFORD-CECIL CO LINE, Harford, MD
Over: LITTLE FALLS BRANCH
0.1 MI E OF WARWICK AVE, Montgomery, MD
Over: PAINT BRANCH
CAPITAL BELTWAY TO EXIT 2, Prince George's, MD
Over: HARPERS CREEK
0.7 MI N OF BRONSON RD, St. Mary's, MD
Over: GOOSE CREEK
0.9 MI NE OF MACAULAY AVE, St. Mary's, MD
Over: ASSAWOMAN BAY
1.17 MILES WEST OF MD 528, Worcester, MD
Over: FIFTEEN MILE CREEK
0.19 M E OF BR NO 0113300, Allegany, MD
Over: CHESAPEAKE BAY
6 MI E OF MD RTE 2, Anne Arundel, MD
Over: COOLSPRING BRANCH
0.3 M N OF GOODEN ROAD, Caroline, MD
Over: BR OF GUNPOWDER FALLS
0.24 MI S OF PA LINE, Carroll, MD
Over: LIBERTY RESERVOIR
2.53 MILE SOUTH OF MD 91, Carroll, MD
Over: TRIB TO INDIAN CREEK
0.26 MI W OF US 1, Prince George's, MD
Over: KINGS CREEK
0.18 MILE SOUTH OF MD 920, Somerset, MD
Over: GEORGES CREEK
0.02 MI E OF MD 36, Allegany, MD
Over: MARLEY CREEK
0.79 MILE WEST OF MD 2, Anne Arundel, MD
Over: DEEP RUN
0.05 MILE SOUTH OF MD 130, Baltimore, MD
Over: BASIN RUN
0.01 MI W OF HARMONY C DR, Cecil, MD
Over: CAMBRIDGE CREEK
0.04 MI E OF MARKET ST, Dorchester, MD
Over: PLEASANT BRANCH
1.71 MILES N OF MD 355, Frederick, MD
Over: TRIBUTARY OF JAMES RUN
0.3 MILE N OF CRESWELL RD, Harford, MD
Over: BROAD CREEK
0.4 MILES N OF MD 543, Harford, MD
Over: MILL CREEK
0.60 MILE NORTH OF MD 213, Kent, MD
Over: MD ROUTE 201
0.1 MILES NORTH OF U.S. R, Prince George's, MD
Over: BR OF WYE RIVER
0.47 MILE NORTH OF US 50, Queen Anne's, MD
Over: EVITTS CREEK
1.26 MI N OF ZEMBOWER RD, Allegany, MD
Over: CSX TRANSPORTATION
0.48 MILES EAST OF MD 30, Baltimore, MD
Over: MTA LIGHT RAIL
100 FEET W OF BELLONA AVE, Baltimore, MD
Over: DULANEY VALLEY BRANCH
0.17 MI N OF DUL VALL RD, Baltimore, MD
Over: COMPASS RUN
0.3 MI S. OF BCKLYSVIL RD, Baltimore, MD
Over: TRIBUTARY TO MINEBANK RU
0.4 MI. NW CROMWELL BR RD, Baltimore, MD
Over: HERRING RUN
0.25 MI NE OF MD 404, Caroline, MD
Showing 1,251-1,300 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.