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: DOCK ROAD
0.2 MI S OF FSK BR W ABUT, Baltimore city, MD
Over: WATTS CREEK
0.25 MILE WEST OF MD 16, Caroline, MD
Over: LITTLE NORTHEAST CREEK
Milepost M101.2, Cecil, MD
Over: CSX TRANSPORTATION
0.25 mi E MD RTE 925, Charles, MD
Over: HIGH BRIDGE BRANCH
1.4 MILES E OF US 1, Harford, MD
Over: BYNUM RUN
Milepost M79.1, Harford, MD
Over: CABIN JOHN CREEK
0.11 MILE NORTH OF GV 6, Montgomery, MD
Over: KENSINGTON PKWY
0.19 MI E OF MD 185, Montgomery, MD
Over: AMTRAK, WMATA
0.08 MILE SOUTH OF US 50, Prince George's, MD
Over: HORSEPEN BRANCH
1.03 MILES S OF MD 197, Prince George's, MD
Over: NORTHEAST BRANCH
0.3 MI W OF MD RTE 201, Prince George's, MD
Over: MECHANIC STREET
0.44 MI E OF US 48H, Allegany, MD
Over: WHITEMARSH BRANCH
0.04 MI N OF MD 147, Baltimore, MD
Over: PINEY CREEK
0.5 MI N OF BELFAST ROAD, Baltimore, MD
Over: MTA LIGHT RAIL
50 FT W BELLONA AVE, Baltimore, MD
Over: PINEY RUN
0.8 MI SW OF BLACKROCK RD, Baltimore, MD
Over: STONEY RUN
0.5 MI N HOWARD & 29TH ST, Baltimore city, MD
Over: GRAMIES RUN
0.05 MI N OF GALLAHER RD, Cecil, MD
Over: MONOCACY RIVER
1.3 MI W OF CARROLL CO, Frederick, MD
Over: YOUGHIOGHENY RIVER
0.2MI S OF FINGERBOARD RD, Garrett, MD
Over: CSX TRANS.
0.06 MILE WEST OF US 40, Harford, MD
Over: BYNUM RUN
MILEPOST M79.1, Harford, MD
Over: CSXT, WMATA, RAMP
0.19 MILE WEST OF MD 911, Montgomery, MD
Over: BR OF LITTLE BENNETT CRK
0.32 MILE SOUTH OF MD 109, Montgomery, MD
Over: CSXT RAILROAD
0.4 MI SW OF MD 192, Montgomery, MD
Over: TRIBUTARY OF LITTLE BENN
0.12 MI. E. OF JCT SR 355, Montgomery, MD
Over: WAUKIKI CREEK
1.36 MI W OF WIDGEON, Somerset, MD
Over: LANDIS SPRING BRANCH
0.20 MILE EAST OF MD 741, Washington, MD
Over: BEAVER CREEK
0.08 MILE WEST OF MD 66, Washington, MD
Over: BEAVER CREEK
1.5 MI SE OF ALT US RTE 4, Washington, MD
Over: FIFTEEN MILE CREEK
0.08 MI E OF US 40 SCN, Allegany, MD
Over: AMTRAK, STONY RUN
0.14 MI S OF IS 195, Anne Arundel, MD
Over: NORFOLK SOUTHERN RR
500' N. OF MD 695, Baltimore, MD
Over: SCOTTS LEVEL BRANCH
0.5 MI N OF MD RTE 26, Baltimore, MD
Over: B & O RR
0.25 MI S OF PULASKI HWY, Baltimore city, MD
Over: PINEY RUN
0.55 MI E OF ARRINGTON RD, Carroll, MD
Over: NORTHEAST CREEK
Milepost M100.3, Cecil, MD
Over: CSX TRANSPORTATION
ON ANNE ARUNDEL CO LINE, Howard, MD
Over: NORTHEAST BRANCH
0.45 MILE NORTH OF MD 450, Prince George's, MD
Over: WARRIOR RUN
0.16 MILE NORTH OF MD 636, Allegany, MD
Over: JACKSON RUN
0.05 MI E OF JACKSON ST, Allegany, MD
Over: AMTRAK
0.37 MILE NORTH OF MD 170, Anne Arundel, MD
Over: IS 795 RAMP '10'
0.62 MILE SOUTH OF MD 940, Baltimore, MD
Over: TRIBUTARY TO WHITE MARSH
.2 MI EAST OF US RTE 40, Baltimore, MD
Over: AMTRAK
AT FREDERICK AVE JCT, Baltimore city, MD
Over: DESOTO ROAD
Milepost M52.4, Baltimore city, MD
Over: VACANT LOT / WETLANDS
Milepost M56.4, Baltimore city, MD
Over: CHURCH CREEK
1.24 MILES WEST OF MD 7, Harford, MD
Over: MIDDLE PATUXENT RIVER
0.18 MILE NORTH OF IS 95I, Howard, MD
Over: RIVERSIDE DRIVE
0.7 MILES SOUTH OF I-495;, Montgomery, MD
Showing 2,801-2,850 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.