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: JENNINGS RUN
0.02 MI S OF MD 36, Allegany, MD
Over: EVITTS CREEK
0.67 MI S OF US 220, Allegany, MD
Over: SEVERN RIVER
0.85 M W OF BR NO 0203900, Anne Arundel, MD
Over: SPA CREEK
0.5 MI N OF FOREST DRIVE, Anne Arundel, MD
Over: SOUTH END OF CONSOLIDATE
CRCF - BWI AIRPORT, Anne Arundel, MD
Over: PARKING LOTS
0.2 MI N OF MADISON ST, Baltimore city, MD
Over: CABIN BRANCH
1.5 MI S PATAPSCO AVE, Baltimore city, MD
Over: AMTRAK
0.31 MILE EAST OF MD 279, Cecil, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.28 MILE EAST OF MD 560, Garrett, MD
Over: SAVAGE RIVER
0.78 MI S WESTERNPORT RD, Garrett, MD
Over: LITTLE YOUGHIOGHENY RIVE
0.14 MI NORTH OF MD 39, Garrett, MD
Over: NORTH BRANCH CASSELMAN R
SOUTH OF US 40, Garrett, MD
Over: BROAD CREEK
0.7 MILES E OF MD 543, Harford, MD
Over: MIDDLE PATUXENT RIVER
0.4 MI W OF FOLLY QUARTER, Howard, MD
Over: B&O RR,COUNTY ROADS
Milepost 0.7, Howard, MD
Over: SASSAFRAS RIVER
ON CECIL COUNTY LINE, Kent, MD
Over: BATCHELLOR'S RUN
0.391 MILE SOUTH OF MD 28, Montgomery, MD
Over: NORTHWEST BRANCH
1.00 MILE WEST OF MD 650, Montgomery, MD
Over: CABIN BRANCH
.4 MI S OF APPLE RIDGE RD, Montgomery, MD
Over: SLIGO CREEK
0.6 MI EAST OF MD 97, Montgomery, MD
Over: MINE CREEK
1.0 MI SE OF RUMBLEY, Somerset, MD
Over: ABANDONED RR, ISRAEL CRE
0.08 MILE SOUTH OF MD 67D, Washington, MD
Over: BIRCH BRANCH
1.55 MI S OF MD 610, Worcester, MD
Over: BRADDOCK RUN
0.08 MILE EAST OF MD 53, Allegany, MD
Over: SOUTH RIVER
0.86MI N OF MD 253, Anne Arundel, MD
Over: CHURCH CREEK
0.29 MILE EAST OF MD 2, Anne Arundel, MD
Over: GUNPOWDER FALLS
1.74 MI S OF HARFORD CO, Baltimore, MD
Over: TRIB TO HERRING RUN
0.95 MI N OF BALT CITY, Baltimore, MD
Over: LOCH RAVEN RESERVOIR
0.48 M N OF OLD BOSLEY RD, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
0.2 MI E OF CROMWELL BR R, Baltimore, MD
Over: BEETREE RUN
1.4 MI W OF MD RTE 45, Baltimore, MD
Over: DEAD RUN
0.38 MI S OF WINDSOR BLVD, Baltimore, MD
Over: MTA LIGHT RAIL
0.9 MI N OF NORTH AVE, Baltimore city, MD
Over: NORFOLK SOUTHERN RAILROA
0.2 MI W OF I-895, Baltimore city, MD
Over: US40 (Pulaski Highway)
0.4 MI. E. OF IS 895, Baltimore city, MD
Over: HALL CREEK
.442 M N OF MT HARMONY RD, Calvert, MD
Over: HALL CREEK
.442 M N OF MT HARMONY RD, Calvert, MD
Over: TANYARD BRANCH
2000 FEET EAST OF MD 315, Caroline, MD
Over: BIG PIPE CREEK
1.52 MILE WEST OF MD 194, Carroll, MD
Over: OLD WOMANS RUN
0.6 MILE EAST OF MD 227, Charles, MD
Over: MONOCACY RIVER
1.04 MILE EAST OF IS 70, Frederick, MD
Over: BR OF HUNTING CREEK
2.72 MI E OF WASH CO, Frederick, MD
Over: TOMS CREEK
0.62 MI W OF EMMITSBURG, Frederick, MD
Over: BROAD RUN
0.2 MI N PICNIC WOODS RD, Frederick, MD
Over: CARROLL CREEK
1.8 MI EAST OF MD 355, Frederick, MD
Over: CARROLL CREEK
0.2 MI NORTH OF MD 144, Frederick, MD
Over: CARSINS RUN
0.03 MILES N OF MD 22, Harford, MD
Over: BRANCH OF ROCK CREEK
0.34 MILE WEST OF MD 390, Montgomery, MD
Over: ROCK CREEK
0.66 MILE WEST OF MD 185, Montgomery, MD
Over: GRANNY FINLEY BRANCH
2.9 MILES SOUTH OF MD 19A, Queen Anne's, MD
Showing 2,051-2,100 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.