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: CSX TRANSPORTATION
0.06 MILE WEST OF IS 795, Baltimore, MD
Over: LITTLE GUNPOWDER FALLS
0.6 MI E HESS ROAD, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
1.1 MILES EAST OF MD 45, Baltimore, MD
Over: LITTLE GUNPOWDER FALLS
BALTIMORE-HARFORD CO LINE, Baltimore, MD
Over: CENTRAL BOOKING PARKING
0.2 MI E OF GREENMOUNT AV, Baltimore city, MD
Over: GUSRYAN STREET
500 FT S OF DUNDALK AVE, Baltimore city, MD
Over: LITTLE NORTHEAST CREEK
1.39 MILES NE OF MD 272, Cecil, MD
Over: ZEKIAH SWAMP
0.09 M W OF BR NO 0800600, Charles, MD
Over: PARSONS CREEK
1.28 M N OF SMITHVILLE RD, Dorchester, MD
Over: BLACKWATER RIVER
4.86 MILE NORTH OF MD 336, Dorchester, MD
Over: CASSELMAN RIVER
0.82 MILE EAST OF MD 495, Garrett, MD
Over: FORK RUN
0.05 MI N HOYES RUN RD, Garrett, MD
Over: HEAVENLY WATERS
0.6 MILES W OF BUS US 1, Harford, MD
Over: OTTER POINT CREEK (S)
0.4 MILES S OF MD 7, Harford, MD
Over: PROPOSED ROADWAY
0.92 MILE SOUTH OF MD 97, Montgomery, MD
Over: GREAT SENECA CREEK
1.82 MILES EAST OF MD 118, Montgomery, MD
Over: RUSSELL BRANCH
1.2 MI S OF JCT SR 107, Montgomery, MD
Over: WATTS BRANCH
0.1 MI W OF WOOTTON PKWY, Montgomery, MD
Over: HENSON CREEK & HENSON CR
0.21 MI NE OF ROBERTS DR, Prince George's, MD
Over: KINGSTON CREEK
2.07 MILES N OF MD 235, St. Mary's, MD
Over: NORFOLK SOUTHERN RR
0.35 MILE EAST OF US 11, Washington, MD
Over: NORFOLK SOUTHERN RR
0.35 MILE EAST OF US 11, Washington, MD
Over: TRIBUTARY OF LITTLE ANTI
0.1 MI S OF MD RTE 34, Washington, MD
Over: BUTCHER RUN
0.03 M N OF BARTLETT ST, Allegany, MD
Over: CENTRE STREET
0.52 MI E OF US 48H, Allegany, MD
Over: N BRANCH POTOMAC RIVER
ON WEST VIRGINIA LINE, Allegany, MD
Over: FRANKLIN STREET & CSX RR
0.14 MI. E. OF NATL HWY S, Allegany, MD
Over: ADMIRAL DRIVE
0.39 MILE EAST OF MD 2, Anne Arundel, MD
Over: TRIBUTARY TO BELL BRANCH
60 FT S OF BELL BRANCH RD, Anne Arundel, MD
Over: AMTRAK
0.08 MI N OF US 40, Baltimore, MD
Over: AMTRAK
0.22 MI N OF MD 702, Baltimore, MD
Over: GUNPOWDER FALLS
0.6 MI E OF PINEY HILL RD, Baltimore, MD
Over: EASTERN AVENUE
EBENZER AT EASTERN AVENUE, Baltimore, MD
Over: MIDDLE BR, I 95 RAMP D
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: MEADOW BRANCH
1.15 MILES S OF MD 832, Carroll, MD
Over: EAST BRANCH PATAPSCO RIV
0.05 MI W OF BRODBECK RD, Carroll, MD
Over: MD MIDLAND RAILWAY
WESTMINSTER, MD, Carroll, MD
Over: ZEKIAH SWAMP
0.04 M E OF BR NO 0800600, Charles, MD
Over: MONOCACY RIVER
1 MI E OF MD RTE 85, Frederick, MD
Over: FISHING CREEK
AT FISH HATCHERY RD INT, Frederick, MD
Over: SAND SPRING RD
0.66 MILE EAST OF W VA, Garrett, MD
Over: CRANBERRY RUN
0.32 MILE EAST OF MD 159, Harford, MD
Over: BR. LITTLE PATUXENT RIVE
AT FONT HILL PARK, Howard, MD
Over: CABIN JOHN CREEK
0.96 MILE SOUTH OF IS 495, Montgomery, MD
Over: MIDDLEBROOK ROAD
0.77 MILE SOUTH OF MD 118, Montgomery, MD
Over: POTOMAC RIVER
ON VIRGINIA LINE, Montgomery, MD
Over: WATTS BRANCH
0.6 MI NORTH OF GLEN ROAD, Montgomery, MD
Over: NORTHWEST BRANCH
0.68 MILE NORTH OF MD 208, Prince George's, MD
Over: BALD HILL BRANCH
0.38 MILE EAST OF MD 564, Prince George's, MD
Over: BEAVERDAM CREEK
.14 M N OF COLUMBIA PK RD, Prince George's, MD
Showing 2,551-2,600 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.