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: BRANCH OF WHITEMARSH RUN
0.46 MILE WEST OF IS 95, Baltimore, MD
Over: BRANCH OF GWYNNS FALLS
.287 M N OF OLD COURT RD, Baltimore, MD
Over: BRANCH OF GWYNNS FALLS
1.04 MI N OF MCDONOUGH RD, Baltimore, MD
Over: HERBERT RUN
0.021 MI S WILKENS AVENUE, Baltimore, MD
Over: JONES FALLS
0.16 MI. S. OF MD 130, Baltimore, MD
Over: TRIBUTARY TO WHITE MARSH
0.1 MI N WHITE MARSH BLVD, Baltimore, MD
Over: WHITE MARSH RUN
0.87 MI W. EX. 67 I-95, Baltimore, MD
Over: WHITE MARSH RUN
0.3 MI SOUTH OF MD RTE 43, Baltimore, MD
Over: TRIBUTARY TO BEETREE RUN
0.11 MI S OF MD 409, Baltimore, MD
Over: REDHOUSE CREEK
0.07 MILES WEST OF I-95, Baltimore, MD
Over: STEMMERS RUN
0.20 MI S. OF I695, Baltimore, MD
Over: TRIBUTARY TO WHITE MARSH
.1 M E OF PERRY HALL BLVD, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
0.41 MI N OF MD 140, Baltimore, MD
Over: MERRYMAN BRANCH
1.90 MI E OF MD RTE 45, Baltimore, MD
Over: CEDAR BRANCH
CEDAR BRANCH, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
1.0 MI. E OF MD 140, Baltimore, MD
Over: HONEYGO RUN
0.5 Mile S. of Joppa Rd., Baltimore, MD
Over: TRIBUTARY TO WHITE MARSH
0.2 MI SW OF DUNFIELD RD, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
2 MI NE EXIT 30 I-695, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
1.4 MI N OF JOPPA RD, Baltimore, MD
Over: BRANCH OF GUNPOWDER FALL
0.7 MI W OF BELAIR RD, Baltimore, MD
Over: BRANCH OF GUNPOWDER FALL
0.4 MI. W OF JCT US 1, Baltimore, MD
Over: BRANCH OF DEAD RUN
0.5 MI N OF RT 122, Baltimore, MD
Over: BRANCH OF HERRING RUN
0.1 MI S. OF GOUCHER BLVD, Baltimore, MD
Over: TRIBUTARY TO RED RUN
1.0 MI W OF I-795, Baltimore, MD
Over: WHITEMARSH RUN
0.44 MI S OF MD RTE 43, Baltimore, MD
Over: GUNPOWDER FALLS
3.5 MI N OF MD 43, Baltimore, MD
Over: STONY RUN
0.4 M W CHARLES ST, Baltimore city, MD
Over: CHINQUAPIN RUN
0.7 MI N OF COLDSPRING LA, Baltimore city, MD
Over: CHINQUAPIN RUN
0.6 MI N COLDSPRING LA, Baltimore city, MD
Over: CHINQUAPIN RUN
0.6 MI N COLDSPRING LA, Baltimore city, MD
Over: CHINQUAPIN RUN
0.2 MI E OF THE ALAMEDA, Baltimore city, MD
Over: GWYNNS FALLS
0.1 MI E RUSSELL ST, Baltimore city, MD
Over: MOORES RUN
0.30 MILES N OF US RT 40, Baltimore city, MD
Over: JOHNS CREEK
0.19 M S OF NURSERY ROAD, Calvert, MD
Over: FISHING CREEK
2.25 MI SE OF MD 2, Calvert, MD
Over: ST. LEONARD CREEK
0.3 MILES WEST OF MD 2-4, Calvert, MD
Over: FORGE BRANCH
1.88 MILE WEST OF MD 314, Caroline, MD
Over: HOUSTON BRANCH
0.1 M W OF TURNER ROAD, Caroline, MD
Over: SMITHVILLE DITCH
0.295 M W OF BULLOCK ROAD, Caroline, MD
Over: TRIB OF TUCKAHOE CREEK
2 MI S OF MD RTE 404, Caroline, MD
Over: FOWLING CREEK
0.31 MI W OF MD 16, Caroline, MD
Over: HOG CREEK
1 MI E OF MD RTE 578, Caroline, MD
Over: FORGE BRANCH
0.9 MI EAST OF MD 480, Caroline, MD
Over: TRIB OF CHOPTANK RIVER
0.8 MILES EAST OF MD 16, Caroline, MD
Over: CRANBERRY BRANCH
.12 MILE NORTH OF MD 852H, Carroll, MD
Over: SILVER RUN
2.31 MI S OF PA LINE, Carroll, MD
Over: WEST BRANCH PATAPSCO RIV
.04 MILE SOUTH OF MD 852G, Carroll, MD
Over: ABANDON MILL RUN
0.05 MI N OF FREDERICK CO, Carroll, MD
Over: LITTLE PIPE CREEK
0.4 MILE NORTH OF MD 808B, Carroll, MD
Showing 3,601-3,650 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.