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: CARSINS RUN
Milepost M85.6, Harford, MD
Over: LITTLE PATUXENT RIVER
0.03 MI N OF GORMAN RD, Howard, MD
Over: CSX TRANSPORTATION RR
0.18 MILE SOUTH OF US 1, Prince George's, MD
Over: CSX TRANSPORTATION
0.16 MILE WEST OF MD 197, Prince George's, MD
Over: I-95
0.9 mi S of Van Dusen Rd, Prince George's, MD
Over: ST CLEMENTS CREEK
0.52 MILE NORTH OF MD 234, St. Mary's, MD
Over: ISRAEL CREEK
0.1M W OF ROHRERSVILLE RD, Washington, MD
Over: FISHING CREEK
0.3 MI S OF MD 260, Calvert, MD
Over: MATTAWOMAN CREEK
1.14 MI EAST OF US 301, Prince George's, MD
Over: BATTLE CREEK
1.77 MI E OF SIXES ROAD, Calvert, MD
Over: INDIAN RUN
0.645 M S OF MD 482, Carroll, MD
Over: TRIB TO NORTHEAST RIVER
0.5 MI N OF MD 7, Cecil, MD
Over: WALLACE CREEK
0.47 MILE SOUTH OF MD 336, Dorchester, MD
Over: BRANCH OF BUSH CREEK
500' SOUTH OF WESTWIND DR, Frederick, MD
Over: N FORK CRABTREE CREEK
3.28 MILES N OF MD 135, Garrett, MD
Over: CARSINS RUN
0.5 MILES N OF MD 22, Harford, MD
Over: LAFAYETTE AVE, CSX TRANS
0.26 MILE WEST OF MD 197, Prince George's, MD
Over: LAFAYETTE AVE, CSX TRANS
0.26 MILE WEST OF MD 197, Prince George's, MD
Over: LITTLE TONOLOWAY CREEK
1.46 MILES E OF MD 144WB, Washington, MD
Over: TRIBUTARY TO WHITE MARSH
0.5 Miles East of US 40, Baltimore, MD
Over: US 301
2.5 MI E OF MD 213, Queen Anne's, MD
Over: BRANCH OF WILLS CREEK
0.17 MI S OF PA LINE, Allegany, MD
Over: WHITE MARSH RUN
0.197 MILE EAST OF US 40, Baltimore, MD
Over: GWYNN FALLS
0.5 MI SW REISTERSTOWN RD, Baltimore, MD
Over: SILVER RUN
0.47 MI N OF MAYBERRY RD, Carroll, MD
Over: WEST BRANCH PATAPSCO RIV
0.09 MI W OF DUTROW ROAD, Carroll, MD
Over: BROAD RUN
0.85 MI WEST OF MD 383, Frederick, MD
Over: TRIBUTARY OF TUSCARORA C
WEST OF THOMAS JOHNSON DR, Frederick, MD
Over: SAVAGE RIVER
0.02 MI W SAVAGE RIVER RD, Garrett, MD
Over: RIV RD,CSX,PATAPSCO RIV
ON CARROLL COUNTY LINE, Howard, MD
Over: HAMMOND BRANCH
0.3 M N WHISKEY BOTTOM RD, Howard, MD
Over: CSXT RAILROAD
0.14 MILE NORTH OF MD 547, Montgomery, MD
Over: SAM EIG HIGHWAY
0.5 MI WEST OF I-270, Montgomery, MD
Over: NORTH BRANCH ROCK CREEK
1.51 MI W OF MD 97, Montgomery, MD
Over: ROCK CREEK
0.27 M N OF BDN NAYLOR RD, Prince George's, MD
Over: LITTLE NORTHEAST CREEK
0.41 MI N OF US 40, Cecil, MD
Over: SAWMILL CREEK
0.09 MI N OF MD 270, Anne Arundel, MD
Over: JUMPERS HOLE ROAD
0.05 MI S OF MD 100, Anne Arundel, MD
Over: MIDDLE RIVER
0.27 MI SW OF MD 700, Baltimore, MD
Over: PATAPSCO RIVER
ON HOWARD CO LINE, Baltimore, MD
Over: LITTLE PINEY RUN
0.4 MI. W DARK HOLLOW RD, Baltimore, MD
Over: BIG ELK CREEK
0.39 MILE EAST OF MD 7D, Cecil, MD
Over: MIDDLE CREEK
1.55 M N OF CROW ROCK RD, Frederick, MD
Over: BALLENGER CREEK
1.42 MI. SOUTH OF I-70, Frederick, MD
Over: BENS BRANCH
0.2 MILES SW OF MD 75, Frederick, MD
Over: YOUGHIOGHENY RIVER
0.1 M E INT MAPLE GLADE, Garrett, MD
Over: CSX TRANSPORTATION
0.25 MILE NORTH OF US 40, Harford, MD
Over: TRIB TO BONNIE BR
75' W of Bonnie Branch Rd, Howard, MD
Over: US 29 & Ramp SE, NB&EB
0.7 mi W of Briggs Chaney, Montgomery, MD
Over: OXON RUN
0.10 MI SE OF WASH DC LN, Prince George's, MD
Showing 4,151-4,200 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.