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: RED LION BRANCH
0.4 MI NW OF MD 290, Queen Anne's, MD
Over: FISHERMAN CREEK
0.31 MILE NORTH OF MD 584, St. Mary's, MD
Over: BROOKS RUN
1.71 MILES S OF MD 235, St. Mary's, MD
Over: TRIB TO POTTS MILL CREEK
1.26 MILES E OF MD 662B, Talbot, MD
Over: LANDIS SPRING BRANCH
0.61 MILE EAST OF IS 70, Washington, MD
Over: MARSH RUN
2.87 MILES WEST OF MD 62, Washington, MD
Over: LITTLE PATUXENT RIVER
0.43 MI W OF MD 3, Anne Arundel, MD
Over: HONEYGO RUN
0.07 MI S OF EBENEZER RD, Baltimore, MD
Over: LITTLE GUNPOWDER FALLS
ON HARFORD CO LINE, Baltimore, MD
Over: AMTRAK & BACK RIVER
0.75 MILE SOUTH OF MD 150, Baltimore, MD
Over: OREGON BRANCH
0.3 MI S OF SHAWAN ROAD, Baltimore, MD
Over: EAST BRANCH HERBERT RUN
INTER SELMA & SUL SPRNG, Baltimore, MD
Over: TRIBUTARY TO STEMMERS RU
0.2 MI E OF BELAIR RD, Baltimore, MD
Over: AMTRAK
AT JCT WITH HILTON ST., Baltimore city, MD
Over: BYNUM RUN
0.17 MILE SOUTH OF MD 136, Harford, MD
Over: SWAN CREEK
0.33 MILE SOUTH OF US 40, Harford, MD
Over: DORSEY RUN
0.04 MILE S OF MD 958P, Howard, MD
Over: MIDDLE PATUXENT RIVER
0.89 MILE NORTH OF US 29, Howard, MD
Over: TRIBUTARY OF PATAPSCO RI
PATAPSCO VALLEY ST PARK, Howard, MD
Over: GREAT SENECA CREEK
0.5 MILES NORTH OF MD 124, Montgomery, MD
Over: WESTERN BRANCH
0.48 MILE WEST OD MD 193, Prince George's, MD
Over: WESTERN BRANCH
0.12 MILE S OF MD 976C, Prince George's, MD
Over: AMTRAK, WMATA, BEAVER CR
0.17 MILE EAST OF US 50, Prince George's, MD
Over: TRIBUTARY TO SOUTHWEST
0.37 MI SOUTH OF MD 214, Prince George's, MD
Over: LOTTSFORD BRANCH
2.23 MI SOUTH OF MD 704, Prince George's, MD
Over: FEDERAL SPRING BRANCH
1.1 MI EAST OF OSBORNE RD, Prince George's, MD
Over: TRIBUTARY TO PISCATAWAY
0.2 MI WEST OF MD 5, Prince George's, MD
Over: BR OF RED LION BRANCH
0.13 MILE WEST OF MD 313, Queen Anne's, MD
Over: BIG ANNEMESSEX RIVER
2.59 MILES S OF MD 361, Somerset, MD
Over: WAGRAM CREEK
0.56 M N OF VA STATE LINE, Worcester, MD
Over: EVITTS CREEK
1.51 MILES SOUTH OF IS 68, Allegany, MD
Over: GALLOWAY CREEK
0.76 MILE SOUTH OF MD 408, Anne Arundel, MD
Over: BRANCH OF HERRING BAY
2.44 MILE EAST OF MD 2, Anne Arundel, MD
Over: LITTLE PATUXENT RIVER
1.9 MI S OF WAUGH CH RD, Anne Arundel, MD
Over: TOWSON RUN
0.05 M N/TOWSONTOWN BLVD, Baltimore, MD
Over: FALLS RUN
0.28 MI W OF W CHAPEL RD, Baltimore, MD
Over: OWINGS MILLS BOULEVARD
0.4 MI SW OF IS 795, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
0.25 NE OF NORTH END MD41, Baltimore, MD
Over: MILL CREEK
0.01 MILE NORTH OF MD 617, Caroline, MD
Over: WATTS CREEK
0.25 MILE WEST OF MD 16, Caroline, MD
Over: GUNPOWDER FALLS
0.14 MI N OF ROLLER ROAD, Carroll, MD
Over: TRIB TO HAWBOTTOM BRANCH
0.29 MI E OF HOLLOW ROAD, Frederick, MD
Over: TUSCARORA CREEK
1.23 MI W OF NEW DESIGN R, Frederick, MD
Over: WILSON RUN
0.025 M N OF E GREEN ST, Garrett, MD
Over: SAVAGE RIVER
0.9 MI NW OF MD 135, Garrett, MD
Over: DEER CREEK
2.17 MILES S OF MD 165, Harford, MD
Over: CRANBERRY RUN
0.2 MILES N OF MD 159, Harford, MD
Over: ROMNEY CREEK
80 YDS W OF OLD BALTIMORE, Harford, MD
Over: BRANCH OF DORSEY RUN
1.03 MILES S OF MD 958P, Howard, MD
Over: CABIN BRANCH
1.03 MILES N OF MONT CO, Howard, MD
Showing 2,101-2,150 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.