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: SOUTHWEST BRANCH
0.18 MI W OF RITCHIE ROAD, Prince George's, MD
Over: CHARLES BRANCH
1.1 MILES SOUTH OF US 301, Prince George's, MD
Over: MANOKIN RIVER
0.05 MILE NORTH OF MD 363, Somerset, MD
Over: REHOBETH BRANCH
4.96 MILES WEST OF US 13, Somerset, MD
Over: ANTIETAM CREEK
0.57 MILE WEST OF US 40AL, Washington, MD
Over: ANTIETAM CREEK
0.57 MILE WEST OF US 40AL, Washington, MD
Over: ANTIETAM CREEK
AT EASTERN BOULEVARD, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
0.68 MI N OF VIRGINIA AVE, Washington, MD
Over: LIBERTYTOWN BR
4.01 M E OF WICOMICO CO, Worcester, MD
Over: CHESTER RIVER
ON KENT CO LINE, Queen Anne's, MD
Over: TRIB TO STONY RUN
WEST OF 195, Anne Arundel, MD
Over: FOURTH MINE BRANCH
0.14 M N OF BR NO 0304600, Baltimore, MD
Over: BEAVERDAM RUN, BAISMAN R
0.3 MI SE OF IVY HILL RD, Baltimore, MD
Over: GUILFORD AVE
0.4 MI N OF MADISON ST, Baltimore city, MD
Over: CONRAIL YARDS
Milepost M56.7, Baltimore city, MD
Over: HUNTING CREEK
.086 MILE NORTH OF MD 263, Calvert, MD
Over: LITTLE PIPE CREEK
.03 MI E OF ROOPS MILL RD, Carroll, MD
Over: ZEKIAH SWAMP
0.44 MILE SOUTH OF MD 488, Charles, MD
Over: ZEKIAH SWAMP
0.54 MILE SOUTH OF MD 488, Charles, MD
Over: SLAUGHTER CREEK
AT TAYLOR'S ISLAND, Dorchester, MD
Over: TUSCARORA CREEK
1.14 MI N OF MD RTE 28, Frederick, MD
Over: CHERRY CREEK
0.5 MI N OF MANSFIELD RD, Garrett, MD
Over: OTTER POINT CREEK
0.10 MILE EAST OF MD 24, Harford, MD
Over: CSX TRANS.
0.3 MILE SOUTH OF MD 7, Harford, MD
Over: TRIB. TO OTTER POINT CRE
0.13 MILE NORTH OF MD 755, Harford, MD
Over: DEEP RUN
0.89 MILE SOUTH OF US 1, Howard, MD
Over: PINEY BRANCH
0.6 MI N OF GLEN RD., Montgomery, MD
Over: CSXT RAILROAD
0.9 MILES WEST OF MD 28, Montgomery, MD
Over: GREAT SENECA CREEK
1.8 MILES EAST OF MD 118, Montgomery, MD
Over: MD ROUTE 197 (WBL)
1.9 MILES NORTH OF MD ROU, Prince George's, MD
Over: PASSERDYKE CREEK
ON WICOMICO CO LINE, Somerset, MD
Over: LORETTO BRANCH
0.6 MILE EAST OF US 13, Somerset, MD
Over: GOOSE CREEK
1.2 MI SE OF RUMBLEY, Somerset, MD
Over: ANTIETAM CREEK
0.42 M E OF KENLY AVENUE, Washington, MD
Over: CONOCOCHEAGUE CREEK
2.77 MILES EAST OF MD 57, Washington, MD
Over: BEAVER CREEK
0.5 MI W OF MD 66,IS 70IN, Washington, MD
Over: NASSAWANGO CREEK
4.53 MILES WEST OF MD 354, Wicomico, MD
Over: WILLS CREEK
0.03 MI S OF N MECHANC ST, Allegany, MD
Over: TRIBUTARY TO WEEMS CREEK
80 FT N OF JENNIFER ROAD, Anne Arundel, MD
Over: TRIBUTARY TO NORTH BRANC
ON CARROLL COUNTY LINE, Baltimore, MD
Over: FRANKFURST AVE
Milepost M8.0, Baltimore city, MD
Over: HUNTING CREEK
0.04 MILE EAST OF MD 2, Calvert, MD
Over: LYONS CREEK
ON ANNE ARUNDEL CO LINE, Calvert, MD
Over: BIRCH DAM CREEK
1.54 MILES SOUTH OF MD 16, Dorchester, MD
Over: LITTLE CATOCTIN CREEK
0.03 MI N OF HARMONY RD, Frederick, MD
Over: LINGANORE CREEK
0.87 MI N OF MD 144, Frederick, MD
Over: TRIB. OF LINGANORE CREEK
AT WOODVILLE RD INT, Frederick, MD
Over: YOUGHIOGHENY RIVER
0.1 M SE INT UNDERWOOD RD, Garrett, MD
Over: MEADOW MT RUN
0.8 MI E INT GLENDALE RD, Garrett, MD
Over: AMTRAK, TRIB TO SWAN CR
0.06 MILE EAST OF US 40, Harford, MD
Showing 2,401-2,450 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.