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: DEEP RUN
0.3 MI W OF MD RTE 295, Anne Arundel, MD
Over: LITTLE GUNPOWDER FALLS
0.29 MI SE OF JERICHO RD, Baltimore, MD
Over: GUNPOWDER FALLS
1 MI E OF YORK RD, Baltimore, MD
Over: TRIBUTARY TO DEAD RUN
0.18 MI N OF SECURITY BLV, Baltimore, MD
Over: MATTAWOMAN CREEK
0.03 MILE EAST OF MD 224, Charles, MD
Over: MONOCACY RIVER
2.29 MILES SOUTH OF MD 85, Frederick, MD
Over: CHERRY CREEK
0.74 MI W OF US RTE 219, Garrett, MD
Over: HERRING RUN
0.01 MILE S OF LAPIDUM RD, Harford, MD
Over: BROAD RUN
1 MI N OF WESTERLY ROAD, Montgomery, MD
Over: RACE TRACK RD
0.37 MILE SOUTH OF MD 717, Prince George's, MD
Over: SIDELING HILL CREEK
0.3 MI N OF IS 68, Washington, MD
Over: SEVERN RIVER
0.31 MI W OF MD 648A, Anne Arundel, MD
Over: DAILY PARKING GARAGE
BWI DAILY GARAGE, Anne Arundel, MD
Over: FIRST MINE BRANCH
0.3 MI S OF HUNTER MILL R, Baltimore, MD
Over: DULANEY VALLEY BRANCH
0.1 MI S OF DULANEY VALLE, Baltimore, MD
Over: PLUM POINT CREEK
0.16 MI E OF TOBACCO RD, Calvert, MD
Over: BIG SILVER RUN
0.75 MI E OF MD 97, Carroll, MD
Over: CSX TRANS., POTOMAC, MUN
ON VIRGINIA LINE, Frederick, MD
Over: FRIENDS CREEK
1.5 MI NE OF EYLER VALLEY, Frederick, MD
Over: OWENS CREEK
Take Hwy 77 3 miles west,, Frederick, MD
Over: AMTRAK
0.19 MILE EAST OF US 40, Harford, MD
Over: RADCLIFF CREEK
0.06 MILE EAST OF MD 514, Kent, MD
Over: RED LION BRANCH
0.21 MILE SOUTH OF US 301, Queen Anne's, MD
Over: BISHOPVILLE PRONG
0.05 MILE WEST OF MD 368, Worcester, MD
Over: SINEPUXENT BAY
0.17 M S OF SOUTH PT RD, Worcester, MD
Over: CHARLES RUN
0.1 MI S MONKTON RD, Baltimore, MD
Over: GUNPOWDER FALLS
1.3 MI E OF MONKTON RD, Baltimore, MD
Over: FIRST MINE BRANCH
0.4 MI NE OF BACON RD, Baltimore, MD
Over: PARKS RUN
0.17 MI W OF MD 45, Baltimore, MD
Over: LONG QUARTER BRANCH
100 FEET W OF MEADOWVALE, Baltimore, MD
Over: LONG QUARTER BRANCH
0.30 MI E OF MD 45, Baltimore, MD
Over: NORTH BRANCH JONES FALLS
0.12 MI SW OF MD 129, Baltimore, MD
Over: HOG CREEK
2.06 MILE EAST OF MD 331, Caroline, MD
Over: BR OF BIG ELK CREEK
0.24 MILE NORTH OF MD 279, Cecil, MD
Over: C&D CANAL
14 MI WEST OF REEDY PT., Cecil, MD
Over: CHICAMACOMICO RIVER
0.22 MI. N. OF GRIF NCK R, Dorchester, MD
Over: DORCUS BRANCH
0.74 MILE SOUTH OF MD 194, Frederick, MD
Over: CATOCTIN CREEK
0.63 MILE EAST OF MD 180, Frederick, MD
Over: MILL BROOK
0.4 MIL E OF GLENVILLE RD, Harford, MD
Over: LITTLE PATUXENT RIVER
0.2 MI W OF GUILFORD RD, Howard, MD
Over: CSXT RAILROAD
0.6 MILES EAST OF MD 355, Montgomery, MD
Over: KENT ISLAND NARROWS
0.59 MILE WEST OF MD 835, Queen Anne's, MD
Over: CAMPBELL DITCH
0.75 MI E SIXTY FOOT RD, Wicomico, MD
Over: WARRIOR RUN
0.27 MI E OF MD 53, Allegany, MD
Over: BRADDOCK RUN
0.11 MI N OF US 48, Allegany, MD
Over: BEAR CREEK
0.9 MI W OF NORTH PT RD, Baltimore, MD
Over: TRIBUTARY TO PATAPSCO RI
200' S. OF EDMONDSON AVE., Baltimore, MD
Over: GAY STREET
0.2 MI S OF ORLEANS ST, Baltimore city, MD
Over: MARSHYHOPE CREEK
1.11 MILE EAST OF MD 313, Caroline, MD
Over: BR OF GUNPOWDER FALLS
1.74 MI S OF PA LINE, Carroll, MD
Showing 1,351-1,400 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.