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: TRIBUTARY TO DEEP CREEK
0.2 MI NORTH OF RTE 219, Garrett, MD
Over: CABIN JOHN CREEK
0.74 MILE EAST OF MD 191, Montgomery, MD
Over: CONGRESSIONAL CC UNDERPA
0.4 MI N OF I-495, Montgomery, MD
Over: HONEY BRANCH
0.59 M W OF AA CO LINE, Prince George's, MD
Over: INDIAN CREEK
0.12 MILES WEST OF MD 201, Prince George's, MD
Over: MD ROUTE 197 (EBL)
1.9 MILES NORTH OF MD ROU, Prince George's, MD
Over: NORFOLK & SOUTHERN RR
0.52 MILE EAST OF MD 632, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
0.52 MILE EAST OF MD 632, Washington, MD
Over: C&O CANAL
Route 68 to Salisbury Str, Washington, MD
Over: JONES FALLS
0.33 MILE SOUTH OF MD 25A, Baltimore, MD
Over: DEEP RUN
0.2 MI W OF MD RTE 103, Howard, MD
Over: CSXT RR & WMATA METRO
1 MI E OF MD RTE 355, Montgomery, MD
Over: BEAVERDAM CREEK
0.17 MI E OF US 50, Prince George's, MD
Over: UNICORN BRANCH
0.48 M S OF KENT CO LINE, Queen Anne's, MD
Over: UNDERPASS WAY-VALLEY MAL
0.32 MI E OF I 81, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
150 FT W OF VIRGINIA AVE, Washington, MD
Over: TONY TANK CREEK
.75 MI S SALSBRY CTY LINE, Wicomico, MD
Over: CSXT / LOCKHOUSE RD
0.23 MI NW OF MD 51, Allegany, MD
Over: SOUTH RIVER
0.94 M W OF BR NO 0203100, Anne Arundel, MD
Over: SALTPETER CREEK
2.4 MI E EASTERN AVE, Baltimore, MD
Over: MTA LIGHT RAIL
0.4 MI W OF YORK RD, Baltimore, MD
Over: JONES FALLS
NB I-83 OFF RAMP, Baltimore city, MD
Over: JONES FALLS
0.2 MI S 41ST ST, Baltimore city, MD
Over: MDTA BHT MAINTENANCE FAC
Milepost M8.06, Baltimore city, MD
Over: CHAPEL BRANCH
0.5 MILE NORTH OF MD 317, Caroline, MD
Over: SOUTH BRANCH PATAPSCO RI
ON HOWARD CO LINE, Carroll, MD
Over: LITTLE ELK CREEK
0.5 MI NE OF MD 545, Cecil, MD
Over: HUNTING CREEK
0.29 MILE WEST OF US 15, Frederick, MD
Over: TOMS CREEK
0.65 MILE N OF US 15BU, Frederick, MD
Over: PEACHBLOSSOM CREEK
1.95 MILES S OF MD 322, Talbot, MD
Over: HILL RUN
0.01 MI S OF WATER STA RD, Allegany, MD
Over: GWYNNS FALLS
0.32 MILE NORTH OF IS 695, Baltimore, MD
Over: JENNIFER BRANCH
0.6 MI E HARFORD RD, Baltimore, MD
Over: CENTRE STREET & MADISON
0.1 MI N OF ORLEANS ST, Baltimore city, MD
Over: CSX
BLOOMINGDALE RD OVER CSX, Baltimore city, MD
Over: EASTERN AVENUE
EASTERN AV UNDR JANNEY ST, Baltimore city, MD
Over: CHOPTANK RIVER
0.32 MILE NORTH OF MD 314, Caroline, MD
Over: BUFFALO RUN
1.27 MILES E OF W VA, Garrett, MD
Over: BR OF DEER CREEK
0.09 M N OF COEN ROAD, Harford, MD
Over: HAY MEADOW BRANCH
1 MI N OLD FREDERICK RD, Howard, MD
Over: TRIB. TO CYPRESS CREEK
0.05 MI N OF MD RTE 291, Kent, MD
Over: CABIN JOHN CREEK
0.02 MILE SOUTH OF GV 6, Montgomery, MD
Over: PAINT BRANCH
.5 M N OF BRIGGS CHANEY R, Montgomery, MD
Over: BRIGHTON DAM & TRIADELPH
1 MILE EAST OF MD 650, Montgomery, MD
Over: CHESTER RIVER
ON KENT CO LINE, Queen Anne's, MD
Over: TRIPPE CREEK
0.67 M N OF SPRING ROAD, Talbot, MD
Over: TRIBUTARY OF ANTIETAM CR
0.5 MI N OF EAST RIDGE DR, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
0.47 MI N OF VIRGINIA AVE, Washington, MD
Over: BARREN CREEK
0.13 MI N OF ATHOL ROAD, Wicomico, MD
Over: I-83 NB
29TH ST AT I-83, Baltimore city, MD
Showing 2,951-3,000 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.