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: TRIB TO PATUXENT RIVER
0.2 MI SOUTH OF MD 198 EB, Prince George's, MD
Over: UNICORN BRANCH
0.48 M S OF KENT CO LINE, Queen Anne's, MD
Over: PASSERDYKE CREEK
ON WICOMICO CO LINE, Somerset, MD
Over: CONOCOCHEAGUE CREEK
0.20 MILE WEST OF US 11, Washington, MD
Over: WAGRAM CREEK
0.56 M N OF VA STATE LINE, Worcester, MD
Over: CSX TRANSPORTATION
0.18 MI W OF W VA LINE, Allegany, MD
Over: AMTRAK, PATAPSCO RIVER
0.96 MI E OF MD 295, Anne Arundel, MD
Over: PATAPSCO RIVER
AT HOWARD COUNTY LINE, Baltimore, MD
Over: LONG GREEN CREEK
0.02 MI N OF HARTLEY MILL, Baltimore, MD
Over: CSX TRANSPORTATION
.26 MI. N. OF I-95 & US 1, Baltimore, MD
Over: MTA METRO
@ METRO, Baltimore, MD
Over: JONES FALLS
0.03 MI N COLD SPRING LA, Baltimore city, MD
Over: MIDDLE BR, LIGHT RAIL
0.6 MI E RUSSELL ST, Baltimore city, MD
Over: MONOCACY RIVER
ON FRED CO LINE, Carroll, MD
Over: STONE RUN
0.35 MILE NORTH OF MD 276, Cecil, MD
Over: BIG MILL POND
3.21 MILES WEST OF MD 331, Dorchester, MD
Over: FLAT RUN
AT N SETON AVE INTERSECTN, Frederick, MD
Over: ANACOSTIA RIVER
0.05 MILE SOUTH OF MD 450, Prince George's, MD
Over: SWANSON CREEK
ON CHARLES CO LINE, Prince George's, MD
Over: OXON RUN
0.18 MILES NORTH OF MD 4, Prince George's, MD
Over: UNICORN BRANCH
1.4 MILES EAST OF MD 313, Queen Anne's, MD
Over: ANDOVER BRANCH
0.8 MI E BOLTON WOODS RD, Queen Anne's, MD
Over: LOCKS SWAMP CREEK
0.1 M W OF LAUREL VIEW LN, St. Mary's, MD
Over: OAK CREEK
0.64 MILE EAST OF MD 329, Talbot, MD
Over: PILCHARD CREEK
0.68 MILE N OF MD 756, Worcester, MD
Over: TRAPPE CREEK
0.07 MI S OF MD 376, Worcester, MD
Over: AMMENDALE BRANCH
154' S of Ammendale Road, Prince George's, MD
Over: JUMPERS HOLE ROAD
0.67 MILE EAST OF MD 2, Anne Arundel, MD
Over: CSX TRANSPORTATION
0.45 MI W OF MD 700, Baltimore, MD
Over: WHITEMARSH BRANCH
0.02 MI N OF MD 147, Baltimore, MD
Over: FORCE MAIN
0.03 MILE EAST OF MD 695, Baltimore, MD
Over: BRANCH OF WHITEMARSH RUN
1.04 MILE WEST OF IS 95, Baltimore, MD
Over: LITTLE FALLS
1.7 MI E OF MONKTON ROAD, Baltimore, MD
Over: BRANCH OF WHITE MARSH RU
0.1 MI E. HONEYGO BLVD., Baltimore, MD
Over: MTA LIGHT RAIL AND STORA
MTA LGTRail&Storage Yard, Baltimore city, MD
Over: MIDDLE BRANCH
0.6 MI. E. OF RUSSELL ST., Baltimore city, MD
Over: GRAHAM CREEK
0.35 MI N OF MD 262, Calvert, MD
Over: TRIBUTARY TO TUCKAHOE CR
2.5 MILES SOUTH OF MD 404, Caroline, MD
Over: CSX TRANS.
0.7 MILE NORTH OF US 40, Cecil, MD
Over: MIDDLE CREEK
0.72 MI S OF MD 904G, Frederick, MD
Over: TRIB OF DEER CREEK
0.02 M E OF LONG CORNER R, Harford, MD
Over: MIDDLE PATUXENT RIVER
1.05 MILES SOUTH OF MD 32, Howard, MD
Over: ROBERT FULTON DRIVE
1.0 MI S OF MD RTE 175, Howard, MD
Over: PAINT BRANCH
0.87 MILE NORTH OF MD 650, Montgomery, MD
Over: PAINT BRANCH
0.87 MILE NORTH OF MD 650, Montgomery, MD
Over: OXON RUN
0.15 MI E OF WASH DC LINE, Prince George's, MD
Over: TONOLOWAY CREEK
0.69 MILE WEST OF IS 70, Washington, MD
Over: CSX TRANS.
0.18 MILE EAST OF MD 65, Washington, MD
Over: MECHANIC STREET
0.44 MI E OF US 48H, Allegany, MD
Over: SEVERN RUN
0.76 MI N OF MD 178A, Anne Arundel, MD
Showing 2,601-2,650 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.