Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.
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 rated 0-4
Structurally Deficient
4.3%
236 bridges flagged for repair priority
-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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Maryland on the same metric.
09
47
24
08
41
Six lowest-condition bridges in Maryland, ranked by composite NBI rating. Each is inspected at least every 24 months.
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: JACOBS CREEK
1.27 MILES S OF MD 290, Kent, MD
Over: PATUXENT RIVER
ON HOWARD CO LINE, Prince George's, MD
Over: NORTHWEST BRANCH
0.37 MILE WEST OF MD 193B, Prince George's, MD
Over: AMTRAK
0.18 MILE SOUTH OF MD 450, Prince George's, MD
Over: PISCATAWAY CREEK
2.13 MILES N OF MD 373, Prince George's, MD
Over: INDIAN CREEK
0.03 MI NE OF SYCAMORE RD, Prince George's, MD
Over: TRIB TO BALD HILL BRANCH
1.04 MILES E OF IS 95, Prince George's, MD
Over: BEAVERDAM CREEK
0.5 MI N MD 202, Prince George's, MD
Over: BEAVERDAM CREEK
0.5 MI N MD 202, Prince George's, MD
Over: S BRANCH OF ROCK CREEK
0.21 M E OF EARL WEBST RD, Somerset, MD
Over: BACK CREEK
0.19 MILE SOUTH OF MD 413, Somerset, MD
Over: CRYSTAL FALLS DRIVE
1.98 MILES WEST OF MD 66, Washington, MD
Over: CONOCOCHEAGUE CREEK
0.85 W OF WALNUT POINT RD, Washington, MD
Over: LEONARD MILL POND
0.4 MILE SOUTH OF MD 675B, Wicomico, MD
Over: NINEPIN BRANCH
0.42 MI S OF MD 374, Worcester, MD
Over: CSX TRANS., MD 61
0.40 MI E OF MD 51A, Allegany, MD
Over: GWYNNS FALLS
0.20 MI N OF MD 940, Baltimore, MD
Over: TRIB TO HERRING RUN
0.4 M N OF TAYLOR AVENUE, Baltimore, MD
Over: WEST BRANCH HERBERT RUN
0.22 MILE SOUTH OF US 1, Baltimore, MD
Over: LONG GREEN CREEK
0.2 MI NW OF HARFORD RD, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.2 MI E OF MD RTE 542, Baltimore, MD
Over: SOUTH BRANCH PATAPSCO RI
ON HOWARD CO LINE, Carroll, MD
Over: BACK CREEK
0.6 MI S OF MD 286, Cecil, MD
Over: LINGANORE CREEK
0.73 MI N OF MD 75FC, Frederick, MD
Over: SNOWY CREEK
0.2 MI WEST OF CRELLIN ST, Garrett, MD
Over: BUFFALO RUN
.5 MI NW OLD GOOD HOPE RD, Garrett, MD
Over: MIDDLE PATUXENT RIVER
1.05 MILES SOUTH OF MD 32, Howard, MD
Over: CATTAIL CREEK
1.31 MILES N OF MONT CO, Howard, MD
Over: WATTS BRANCH
0.1 MI N OF JCT SR 190, Montgomery, MD
Over: SOUTH BRANCH SKIPTON CRE
0.66 MILE WEST OF MD 662B, Talbot, MD
Over: LITTLE BEAVER CREEK
1.54 MILES EAST OF MD 66, Washington, MD
Over: LANES RUN
0.15 MI N OF LANES RUN RD, Washington, MD
Over: SOUTH BR PATAPSCO RIVER
ON HOWARD COUNTY LINE, Carroll, MD
Over: PURNELL BRANCH
0.73 MILE NORTH OF MD 365, Worcester, MD
Over: WILLS CREEK
AT US 40 ALT, Allegany, MD
Over: MARLEY CREEK
0.11 MI S OF MD 270, Anne Arundel, MD
Over: OLD ANNAN RD,MIDDLE BR
0.3 MI E RUSSELL ST, Baltimore city, MD
Over: BOSTON STREET
MILE POINT 11.53, Baltimore city, MD
Over: AMTRAK, NSRR & CSXT
Milepost M12.86, Baltimore city, MD
Over: SPRING BRANCH
2.33 MILE SOUTH OF MD 314, Caroline, MD
Over: LITTLE PIPE CREEK
1.09 MILES N OF MD 31, Carroll, MD
Over: LITTLE ELK CREEK
1.03 MILE WEST OF MD 213, Cecil, MD
Over: MIRANT POWER COMPANY
0.19 MILE EAST OF US 301, Charles, MD
Over: CSX TRANS
0.08 MILE EAST OF US 301, Charles, MD
Over: MATTAWOMAN CREEK
1.5 MI E OF MD RTE 224, Charles, MD
Over: CARROLL CREEK
510' SOUTH OF MD 144, Frederick, MD
Over: LITTLE PATUXENT RIVER
0.46 MILE SOUTH OF MD 32, Howard, MD
Over: B&O RR,COUNTY ROADS
Milepost 0.7, Howard, MD
Over: LITTLE FALLS BRANCH
4.5 MILES SOUTH OF I-495., Montgomery, MD
Over: TRIB TO PATUXENT RIVER
0.1 MI SOUTH OF MD 198 EB, Prince George's, MD
Showing 2,151-2,200 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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |