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: AMTRAK
0.03 MILE SOUTH OF US 40, Harford, MD
Over: BENNETT CREEK
2.6 MILES SE OF MD 75, Montgomery, MD
Over: SLIGO CREEK
0.5 MI N OF JCT SR 410, Montgomery, MD
Over: CSX TRANS.
0.12 MILE NORTH OF MD 459, Prince George's, MD
Over: BALD HILL BRANCH
0.09 MI E CIPRIANO RD, Prince George's, MD
Over: LITTLE PAINT BRANCH
.5 MI W OF US RTE 1, Prince George's, MD
Over: CSX RAILROAD
0.66 MI W OF MD 197, Prince George's, MD
Over: CSX RAILROAD
0.66 MILES WEST OF MD 197, Prince George's, MD
Over: UNICORN BRANCH
0.92 MILE NORTH OF MD 544, Queen Anne's, MD
Over: ST MARYS RIVER
0.10 MILE NORTH OF MD 246, St. Mary's, MD
Over: BR OF CONOCOCHEAGUE CREE
0.09 MILE NORTH OF US 11, Washington, MD
Over: BURNT MILL BRANCH
0.73 MI W OF WORCESTER CO, Wicomico, MD
Over: TONY TANK LAKE
0.2 MI S OF KAY AVE, Wicomico, MD
Over: ROCK CREEK
0.2 MI S OF BEACH DRIVE, Montgomery, MD
Over: WILLS CREEK, CSX RR, MUN
3 MI. SW. OF US 220, Allegany, MD
Over: SAWMILL CREEK
0.06 MILE NORTH OF MD 270, Anne Arundel, MD
Over: WESTERN RUN
0.07 MI E OF MD 128, Baltimore, MD
Over: MIDDLE RIVER
0.3 MI S. OF MARTIN BLVD., Baltimore, MD
Over: TRIBUTARY TO REDHOUSE CR
1.0MI SW US1 AND I-695, Baltimore, MD
Over: CSX
MILEPOST 60.0, Baltimore city, MD
Over: CHOPTANK RIVER
0.29 MILE EAST OF MD 328, Caroline, MD
Over: LITTLE PIPE CREEK
0.04 M W OF ADAMS MILL RD, Carroll, MD
Over: LITTLE MORGAN RUN
1.73 MILES N OF MD 32, Carroll, MD
Over: BIG ELK CREEK
0.12 MILE EAST OF MD 281, Cecil, MD
Over: ROCKY FOUNTAIN RUN
0.03 MILE NORTH OF MD 880, Frederick, MD
Over: CSX TRANSPORTATION
1.0 MILE SOUTH OF MD 85, Frederick, MD
Over: FALLING BRANCH
0.7 MI NE OF RED BRIDGE R, Harford, MD
Over: LITTLE MONOCACY RIVER
1.86 MILES E OF FRED CO, Montgomery, MD
Over: RACE TRACK RD
0.37 MILE SOUTH OF MD 717, Prince George's, MD
Over: BACK BRANCH
1.0 MILE NORTH OF MD 4, Prince George's, MD
Over: RED LION BRANCH
0.09 MILE WEST OF MD 290, Queen Anne's, MD
Over: MANOKIN RIVER
0.05 MILE NORTH OF MD 363, Somerset, MD
Over: LICKING CREEK
1.25 MI N OF US RTE 40, Washington, MD
Over: MTA LIGHT RAIL
0.04 MI N OF MD 170, Anne Arundel, MD
Over: LEVEL 3 EXIT RAMP FROM H
BWI EMPLOYEE PARK LOT, Anne Arundel, MD
Over: MARYLAND MIDLAND RR
0.62 MILE NORTH OF MD 795, Baltimore, MD
Over: DEAD RUN
0.19 M N OF CROSBY ROAD, Baltimore, MD
Over: DEAD RUN
0.87 MI N OF IS 70, Baltimore, MD
Over: EAST BRANCH HERBERT RUN
0.02 MI W OF US 1, Baltimore, MD
Over: I-83
WB RAMP FROM N PKWY, Baltimore city, MD
Over: CABIN BRANCH
1.5 MI S PATAPSCO AVE, Baltimore city, MD
Over: SOUTH BR GUNPOWDER FALLS
0.44 MI, Carroll, MD
Over: CSX TRANS.
0.32 MILE NORTH OF US 40, Cecil, MD
Over: FAHRNEY BRANCH
0.43 MILE SOUTH OF MD 80, Frederick, MD
Over: ROCK RUN
0.01 MI E OF WILKINSON RD, Harford, MD
Over: CSXT, WMATA
0.09 MILE EAST OF US 29, Montgomery, MD
Over: GLEBE RUN
0.11 MILE SOUTH OF MD 4, St. Mary's, MD
Over: CHURCH CREEK
2.4 MILES SOUTH OF MD 584, St. Mary's, MD
Over: UNNAMED STREAM
0.22 MI SW OF IS 70+MD 63, Washington, MD
Over: NORFOLK SOUTHERN RR
2.19 MILES EAST OF MD 346, Worcester, MD
Showing 2,001-2,050 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.