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: BROAD CREEK
1.35 MILES S OF MD 646, Harford, MD
Over: UNNAMED STREAM
0.3 MI E OF LOUDON AVE, Howard, MD
Over: ROCK CREEK NORTH BRANCH
N OF BOWIE MILL ROAD, Montgomery, MD
Over: SOUTHWEST BRANCH
0.25 MILE SOUTH OF MD 214, Prince George's, MD
Over: MUIRKIRK BR OF INDIAN CR
0.04 MI W OF US 1, Prince George's, MD
Over: BALD HILL BRANCH
0.2 M W OF LOTTSFORD RD, Prince George's, MD
Over: NORFOLK SOUTHERN RR
0.40 MILE NORTH OF MD 364, Somerset, MD
Over: LITTLE ANNEMESSEX RIVER
0.52 MILE WEST OF MD 413, Somerset, MD
Over: BOLINGBROKE CREEK
2 MI SE OF TRAPPE, Talbot, MD
Over: BRADDOCK RUN
0.03 MI S OF US 40L, Allegany, MD
Over: C&O CANAL
0.4 miles from MD Route 5, Allegany, MD
Over: AMTRAK RAILROAD
0.06 MI E OF IS 695, Baltimore, MD
Over: GWYNNS FALLS
1 MI N OF REISTERSTOWN RD, Baltimore, MD
Over: CHOPTANK RIVER
0.12 M W OFMARKET ST, Caroline, MD
Over: STREAM
Milepost M98.6, Cecil, MD
Over: HOPKINS BRANCH
1.0 MILES E OF MD 136, Harford, MD
Over: LITTLE SENECA CREEK
1.0 MILES WEST OF MD 355, Montgomery, MD
Over: INDIAN CREEK
0.16 MI NW OF MD 193, Prince George's, MD
Over: MD ROUTE 202
0.8 MILES NORTH OF MD ROU, Prince George's, MD
Over: ANDREWS AFB ACCESS ROAD
0.1 MILES WEST OF MD ROUT, Prince George's, MD
Over: BRANCH JARBOESVILLE RUN
0.9 MI SOUTHWEST RT.235, St. Mary's, MD
Over: GWYNNS FALLS
@ IS 795 & IS 695, Baltimore, MD
Over: JONES FALLS
NORTHRN PKWY RAMP TO I-83, Baltimore city, MD
Over: BENNETT CREEK
0.75 MI S OF PETERS RD, Frederick, MD
Over: OWENS CREEK
0.25 MI NW OF MD 550, Frederick, MD
Over: SOUTHWEST BRANCH
0.04 MI S OF MD 202, Prince George's, MD
Over: CSX TRANSPORTATION
0.71 MILE NORTH OF IS 695, Baltimore, MD
Over: MINEBANK RUN
0.11 M N OF CROMWEL BR RD, Baltimore, MD
Over: CSX RR, BERNARD DR
Milepost M51.0, Baltimore city, MD
Over: LITTLE OWENS CREEK
1.74 MILE NORTH OF MD 550, Frederick, MD
Over: CARROLL CREEK
470' SOUTH OF SR 144, Frederick, MD
Over: BEAR CABIN BRANCH
0.03 MI N OF TIMBERLEA DR, Harford, MD
Over: TRIB. TO PATUXENT RIVER
0.2 MI W OF NICHOLS DRIV, Howard, MD
Over: LITTLE BENNETT CREEK
UNDER IS 270 OVERPASS, Montgomery, MD
Over: WHETSTONE RUN TRIBUTARY
.25 MI N OF MIDCOUNTY HWY, Montgomery, MD
Over: GERMAN BRANCH
0.1 MI. SW OF MOORES LN, Queen Anne's, MD
Over: UPPER THOROFARE
0.36 MILE E OF HOTEL RD, Somerset, MD
Over: LITTLE TONOLOWAY CREEK
0.01 MILE WEST OF US 522, Washington, MD
Over: BACK CREEK
0.1 MI. S. OF MD 710, Anne Arundel, MD
Over: 28TH ST AND NS RAILROAD
0.4 MI N OF NORTH AVE, Baltimore city, MD
Over: PLUM CREEK
2.5 + S OF ELKTON, Cecil, MD
Over: SANDY BRANCH
0.35 MI S OF BUNKER HI RD, Cecil, MD
Over: LITTLE DEER CREEK
0.3 MILE S OF MT HOREB RD, Harford, MD
Over: WILDCAT BRANCH
2.4 MI SW OF MD 124, Montgomery, MD
Over: GRAVEL RUN
0.22 MILE SOUTH OF MD 305, Queen Anne's, MD
Over: BRADDOCK RUN
0.20 MI NE OF US 40 ALT, Allegany, MD
Over: HERBERT RUN
RP 3 TO LEEDS AVE, Baltimore, MD
Over: HERRING RUN
1 MI E ERDMAN AVE, Baltimore city, MD
Over: PINEY RUN
0.13 MI N HOWARD CO LINE, Carroll, MD
Over: SAVAGE RIVER
2.1 MI E SPRING LICK RD, Garrett, MD
Showing 3,251-3,300 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.