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: SEVERN RUN
2.4 MILES NORTH OF MD 32, Anne Arundel, MD
Over: WHITEMARSH RUN
0.2 M E OF CAMPBELL BLVD, Baltimore, MD
Over: OREGON BRANCH
0.41 MI N OF BEAVERDAM RD, Baltimore, MD
Over: FORGE BRANCH
0.4 MI NE OF GREENSBORO, Caroline, MD
Over: LITTLE CATOCTIN CREEK
0.25 MI N OF ALT. 40, Frederick, MD
Over: CSXT RAILROAD
NORTH OF MD 118, Montgomery, MD
Over: TRIBUTARY TO GWYNNS FALL
0.1 MI NE of SR 26, Baltimore, MD
Over: PINEY CREEK
0.85 MI N OF TANEYTOWN, Carroll, MD
Over: DORSEY RUN
0.04 MI W OF MD RTE 108, Howard, MD
Over: MIDDLE PATUXENT RIVER
1 MI W OF MD RTE 108, Howard, MD
Over: CABIN BRANCH
0.2 MI N OF CENTERWAY RD, Montgomery, MD
Over: OWENS CREEK
0.82 MILE NORTH OF US 15, Frederick, MD
Over: ARUNDEL BRANCH
.25 Mi. N. of Corporate D, Frederick, MD
Over: DORSEY BRANCH
0.5 MI E OF MD RTE 97, Howard, MD
Over: SNIB HOLLOW RUN
0.43 M E OF BR NO 0103700, Allegany, MD
Over: SLAUGHTERHOUSE BRANCH
0.11 MI W OF MD 25, Baltimore, MD
Over: DULANEY VALLEY BRANCH
3 MI N CROMWELL BRDG RD, Baltimore city, MD
Over: BACON RIDGE BRANCH
0.26 MI W OF HAWKINS ROAD, Anne Arundel, MD
Over: YOUGHIOGHENY RIVER
0.9 MI E OF W VA ST LINE, Garrett, MD
Over: LITTLE GUNPOWDER FALLS
2 MI E OF US RTE 1, Baltimore, MD
Over: UNNAMED STREAM
0.4 Mile West of MD 1, Howard, MD
Over: JAMES CREEK
1.4 MILES EAST OF MD-97, Montgomery, MD
Over: HAMILTON RUN
0.3 MI W. OF US RTE 40, Washington, MD
Over: MINEBANK RUN
0.2 MI N OF MD RTE 567, Baltimore, MD
Over: FLAT RUN
0.2 MILE SOUTH OF MD 140, Frederick, MD
Over: TRIBUTARY TO COLLINGTON
1.0 MILES SOUTH OF US 50, Prince George's, MD
Over: NEFF RUN
0.05 M N OF OMARAS AVENUE, Allegany, MD
Over: BEAVER RUN
87 FT SOUTH OF POOLE ROAD, Carroll, MD
Over: WASHINGTON RUN
1200 FT. S. OF ROUTE 28, Frederick, MD
Over: BEAVER DAM CREEK
0.8 MI NORTH OF MD 75, Frederick, MD
Over: HAINES BRANCH
0.56 MI S OF CARROLL CO, Frederick, MD
Over: PEA VINE RUN
0.86 MILE SOUTH OF US 220, Allegany, MD
Over: BROAD RUN
0.6 MI N OF GAPLAND RD, Frederick, MD
Over: WILLETT BRANCH
1 MI N OF MD RTE 190, Montgomery, MD
Over: TALBOT BRANCH
0.4 MI S OF WOODVILLE RD, Frederick, MD
Over: ROCK CREEK
1.11 MILES SW OF MD 382, Prince George's, MD
Over: WILSON OWENS BRANCH
1 MI N OF MD 408, Anne Arundel, MD
Over: CHURCH BRANCH
0.37 MI EAST OF MD 75, Frederick, MD
Over: TOMAKOKIN CREEK
0.88 MILE SOUTH OF MD 242, St. Mary's, MD
Over: CSX TRANSPORTATION
0.26 MILE NORTH OF US 1, Baltimore, MD
Over: SWANSON CREEK
EAGLE RIDGE SUBDIVISION, Charles, MD
Over: MIDDLE CREEK
AT BRANDENBURG HOLLOW RD, Frederick, MD
Over: SPRUCE RUN
0.6 MI NORTH OF MD 17, Frederick, MD
Over: TRIBUTARY OF LITTLE ANTI
0.07 MI N OF MD RTE 34, Washington, MD
Over: HUNTING CREEK
CAROLINE - DOR. CO LINE, Caroline, MD
Over: Deep Run Creek
BELLOW SPRING ELEM SCHOOL, Howard, MD
Over: MD ROUTE 410
1.1 MILES NORTH OF MD ROU, Prince George's, MD
Over: ISRAEL CREEK
0.24 MILE SOUTH OF MD 194, Frederick, MD
Over: STREET ROAD
0.92 M E OF BR NO 0114600, Allegany, MD
Over: GILLIS FALLS
.2 MI N OF BRADDOCK RD, Carroll, MD
Showing 5,001-5,050 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.