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: MURLEY BRANCH
0.19 MI W OF MURLEY BR RD, Allegany, MD
Over: GEORGES CREEK
0.03 MI S OF MD 36, Allegany, MD
Over: CSX TRANSPORTATION
0.71 MILE NORTH OF IS 695, Baltimore, MD
Over: GRAVEYARD CREEK
0.3 MI S OF HARMONY CH RD, Harford, MD
Over: NORTH BR OF ROCK CREEK
0.29 M E OF GRIST MILL DR, Montgomery, MD
Over: ROCK CREEK
0.31 M E OF AVERY ROAD, Montgomery, MD
Over: ROCK CREEK
0.31 M E OF AVERY ROAD, Montgomery, MD
Over: TRIBUTARY TO PINEY CREEK
0.6 MI W OF IS 83, Baltimore, MD
Over: MORGAN RUN
1.25 M W OF MD 32, Carroll, MD
Over: STONY RUN
0.37 MILE WEST OF MD 272, Cecil, MD
Over: TRIBUTARY TO MILL CREEK
1 MI. N PRINCIPIO FURNACE, Cecil, MD
Over: SWAN CREEK
0.54 MILE WEST OF MD 155, Harford, MD
Over: CO RTES 2035 & 2036
0.5 MILE NORTH OF MD 108, Howard, MD
Over: PINEY BRANCH
0.6 MI W OF GLEN MILL RD, Montgomery, MD
Over: MUDDY BRANCH
100 FT N OF QUERY MILL RD, Montgomery, MD
Over: NORTHWEST BRANCH
0.71 MILE NORTH OF US 1, Prince George's, MD
Over: BRIER DITCH
AT WESTBROOK DRIVE, Prince George's, MD
Over: TRIBUTARY OF WOLF DEN BR
1 MI S OF CEDARVILLE RD, Prince George's, MD
Over: FORCE MAIN
@ MD 695 & MD 702, Baltimore, MD
Over: HUNTING CREEK
ON DORCHESTER CO LINE, Caroline, MD
Over: TUCKAHOE CREEK
ON TALBOT CO LINE, Caroline, MD
Over: MORGAN RUN
1.7 M S OF MD 32, Carroll, MD
Over: NORTH BRANCH OF PATAPSCO
0.4 MI E OF SANDYMONT RD, Carroll, MD
Over: LITTLE ELK CREEK
CORP LMTS OF ELKTON, Cecil, MD
Over: AMTRAK
0.37 MI S OF MD 279, Cecil, MD
Over: CATOCTIN CREEK
0.60 MILE EAST OF MD 17, Frederick, MD
Over: CATOCTIN CREEK
0.60 MILE EAST OF MD 17, Frederick, MD
Over: CO RTES 2035 & 2036
0.5 MILE NORTH OF MD 108, Howard, MD
Over: CSXT RR & WMATA METRO
0.1 MILE EAST OF MD 355, Montgomery, MD
Over: INDIAN CREEK
0.74 MILE NORTH OF MD 201, Prince George's, MD
Over: MILL CREEK
0.76 MILE NORTH OF US 50, Talbot, MD
Over: WINCHESTER & WESTERN RR
0.06 MILE EAST OF MD 63, Washington, MD
Over: LITTLE ANTIETAM CREEK
0.18 MI N OF WELTY CH RD, Washington, MD
Over: FIFTEEN MILE CREEK
0.28 MI N OF US 40, Allegany, MD
Over: LITTLE FALLS
0.05 MI N OF FREDERICK RD, Baltimore, MD
Over: CSX TRANSPORTATION
0.82 MI N OF MCDONOUGH RD, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.01 MI W OF GOUCHER BLVD, Baltimore, MD
Over: STADIUM LOT & RR
Milepost M3.8, Baltimore city, MD
Over: BR OF MATTAWOMAN CREEK
1.88 MILES EAST OF MD 224, Charles, MD
Over: FISHING CREEK
0.18 M N OF HOOPER ISL RD, Dorchester, MD
Over: OWENS CREEK
0.5 M N OF EYLER ROAD, Frederick, MD
Over: BENNETT CREEK
0.37 MI S OF PARK MILLS R, Frederick, MD
Over: BYNUM RUN
0.99 MI W OF MD 543, Harford, MD
Over: CSX TRANS.
0.85 MILE NORTH OF MD 32, Howard, MD
Over: UNNAMED STREAM
0.4 MI E BROKENLAND PKWY, Howard, MD
Over: AMTRAK, WMATA
0.08 MILE SOUTH OF US 50, Prince George's, MD
Over: AMTRAK/WMATA/CSXT
125 FEET SOUTH OF US 50, Prince George's, MD
Over: LITTLE TONOLOWAY CREEK
0.19 MI S OF MD 144, Washington, MD
Over: BEAVER CREEK
1.02 MI W OF ALT US RT 40, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
0.4 MI N OF RTE 40 W, Washington, MD
Showing 3,151-3,200 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.