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: BEAVER RUN
1.02 MILES SW OF MD 140, Carroll, MD
Over: BENNETT CREEK
1.62 MILES N OF MD 355, Frederick, MD
Over: TRANS CONT PIPE LINE
0.35 MILE EAST OF US 40, Howard, MD
Over: STILL POND CREEK
0.01MI S BESSICKS CRNR RD, Kent, MD
Over: SLIGO CREEK
0.43 MILE NORTH OF MD 410, Montgomery, MD
Over: ROCK CREEK
0.13 MILE NORTH OF IS 495, Montgomery, MD
Over: BR OF SOUTHWEST BR
0.05 MILE NORTH OF MD 214, Prince George's, MD
Over: MD ROUTE 197 (WBL)
1.8 MILES NORTH OF MD ROU, Prince George's, MD
Over: POPLAR HILL CREEK
0.16 M W OF TOWER HILL RD, St. Mary's, MD
Over: JARBOESVILLE RUN
0.53 MILE NORTH OF MD 246, St. Mary's, MD
Over: POTOMAC RIVER, CSX TRANS
ON WEST VIRGINIA ST LINE, Washington, MD
Over: TYASKIN CREEK
0.3 MI E WETIPQUIN RD, Wicomico, MD
Over: JENNINGS RUN
0.03 MI S OF MD 36, Allegany, MD
Over: BOULTERS WAY
1.38 MI E OF MD 783, Anne Arundel, MD
Over: ROCK CREEK
0.68 MILE NORTH OF MD 607, Anne Arundel, MD
Over: REDHOUSE CREEK
0.65 MI E OF MD 7, Baltimore, MD
Over: GWYNNS FALLS
0.32 MILE NORTH OF IS 695, Baltimore, MD
Over: GWYNNS FALLS
0.1 MI N LIBERTY RD, Baltimore, MD
Over: TRIBUTARY TO SLADE RUN
0.56 MI ON LONGNECKER RD, Baltimore, MD
Over: HERRING RUN
0.2 MI E PERRING PKWY, Baltimore city, MD
Over: LIBERTY RESERVOIR
1.04 M W OF BALTO CO LINE, Carroll, MD
Over: Little Patuxent River
0.49 M W OF DOGWOOD DRIVE, Howard, MD
Over: PATUXENT RIVER
1.8 MILES NORTH OF MD 650, Montgomery, MD
Over: MD 200 (ICC)
0.75 MI E OF US 29, Montgomery, MD
Over: NORTHEAST BRANCH
0.29 MILE WEST OF MD 201, Prince George's, MD
Over: TRIBUTARY OF MARSH RUN
0.01 MI NORTH OF RT 63, Washington, MD
Over: BURNT MILL BRANCH
1.90 MILES N OF MD 346, Wicomico, MD
Over: GEORGES CREEK
1.2 MI N OF MD 657, Allegany, MD
Over: CSX TRANSPORTATION
0.08 MILE WEST OF US 40, Baltimore, MD
Over: JONES FALLS
0.1 MI N HILLSIDE RD, Baltimore, MD
Over: CSX RAILROAD
0.6 MI S REISTERSTOWN RD, Baltimore, MD
Over: RED RUN
0.64 MI E OF MD 940, Baltimore, MD
Over: CENTRE STREET
SB JFX OFF-RAMP OV CENTRE, Baltimore city, MD
Over: GWYNNS FALLS & FRANKLIN
0.6 MI N EDMONDSON AVE, Baltimore city, MD
Over: WESTERN RUN
INTER WITH SMITH AVE, Baltimore city, MD
Over: CSX
0.6 M. E. OF HANOVER ST, Baltimore city, MD
Over: CSX RR YARD & BERNARD DR
Milepost M51.0, Baltimore city, MD
Over: CHICONE CREEK
1 MI NE OF MD 331, Dorchester, MD
Over: LINGANORE CREEK
AT GLISSANS MILL RD INT, Frederick, MD
Over: AMTRAK
0.51 MILE EAST OF US 40, Harford, MD
Over: AMTRAK
0.51 MILE EAST OF US 40, Harford, MD
Over: CSX RR
ON ANNE ARUNDEL CO LINE, Howard, MD
Over: SASSAFRAS RIVER
ON CECIL COUNTY LINE, Kent, MD
Over: TRIB CABIN JOHN CREEK
1.1 MILES WEST OF MD 355, Montgomery, MD
Over: ANDOVER BRANCH
0.5 MI FROM MD RTE 291, Queen Anne's, MD
Over: NORFOLK SOUTHERN RR
0.40 MILE NORTH OF MD 364, Somerset, MD
Over: HAMILTON RUN
0.27 MILE EAST OF MD 64, Washington, MD
Over: TRIBUTARY TO GUNPOWDER F
0.60 MI E OF RAILROAD AVE, Baltimore, MD
Over: RED RUN
0.15 MI S OF I-795, Baltimore, MD
Over: HUNTING CREEK
1.2 MILES NORTH OF MD 331, Caroline, MD
Showing 3,001-3,050 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.