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: LITTLE GUNPOWDER FALLS
ON BALT CO LINE, Harford, MD
Over: BENSON BRANCH
0.4 MI W MT ALBERT ROAD, Howard, MD
Over: BROAD RUN
0.3 MI E OF ELMER SCHOOL, Montgomery, MD
Over: HENSON CREEK
0.08 M N OF PALMER ROAD, Prince George's, MD
Over: LITTLE PAINT BRANCH
.24 MILES SOUTH OF MD 212, Prince George's, MD
Over: I-495
0.2 MI. W. OF CHERRYWOOD, Prince George's, MD
Over: LITTLE ANTIETAM CREEK
0.13 MI SW OF MD RTE 64, Washington, MD
Over: BEAVERDAM CREEK
1 MI SW GLEN AVENUE, Wicomico, MD
Over: POCOMOKE RIVER
1.06 MILES S OF MD 354, Worcester, MD
Over: POCOMOKE RIVER
0.95 MI E OF MD 354, Worcester, MD
Over: BRANCH OF GEORGES CREEK
0.36 MI N OF W VA LINE, Allegany, MD
Over: TOWN CREEK
1.95 MI N OF L TOWN CK RD, Allegany, MD
Over: STOCKETTS RUN
3.0 MI SOUTH OF MD 214, Anne Arundel, MD
Over: EAST BRANCH HERBERT RUN
0.06 MI S OF EAST DR, Baltimore, MD
Over: DULANEY BRANCH
0.3 MI N MD RTE 542, Baltimore, MD
Over: WHITE MARSH RUN
0.02 M N OF I 695, Baltimore, MD
Over: HAMBURG ST & RR
Milepost M4.0, Baltimore city, MD
Over: ALLOWAY CREEK
0.09 MI N OF STARNERS DAM, Carroll, MD
Over: MORGAN RUN
0.26 MI SE OF BLOOM ROAD, Carroll, MD
Over: YOUGHIOGHENY RIVER
0.48 MILE NORTH OF MD 42, Garrett, MD
Over: SUSQUEHANNA RIVER
ON CECIL CO LINE, Harford, MD
Over: PEDESTRIAN WALKWAY
0.69 MILE SOUTH OF US 29, Howard, MD
Over: CHESTER RIVER
ON QUEEN ANNES CO LINE, Kent, MD
Over: SOUTHWEST BRANCH
0.25 MILE SOUTH OF MD 214, Prince George's, MD
Over: PATAPSCO RIVER
I-695 OVER PATAPSCO RIVER, Baltimore city, MD
Over: FISHING CREEK
200' W OF MOUNTAINDALE RD, Frederick, MD
Over: CHESAPEAKE BAY
6 MI E OF MD RTE 2, Anne Arundel, MD
Over: LITTLE GUNPOWDER FALLS
1.0 MI N SWEET AIR RD, Baltimore, MD
Over: LITTLE FALLS
1 MI SE OF BIG FALLS RD, Baltimore, MD
Over: WESTERN RUN
1.3 MI N OF SHAWAN RD, Baltimore, MD
Over: LITTLE FALLS
1.3 MI NW OF MIDDLETOWN R, Baltimore, MD
Over: LONG GREEN CREEK
0.2 MI SE OF GLEN ARM RD, Baltimore, MD
Over: BEETREE RUN
200 FEET N OF EAGLE MILL, Baltimore, MD
Over: SOUTH BRANCH GUNPOWDER F
1 M NE OF LINEBORO RD, Carroll, MD
Over: LOVE RUN
0.75 MILE SOUTH OF US 1, Cecil, MD
Over: BR OF POTOMAC RIVER
0.23 MILE EAST OF MD 180, Frederick, MD
Over: MONOCACY RIVER
0.6 MI S OF BOLLINGER SCL, Frederick, MD
Over: TALBOT BRANCH
AT TALBOT RUN RD INTERSEC, Frederick, MD
Over: PATAPSCO RIVER
0.1 MI SOUTH OF I-195, Howard, MD
Over: CYPRESS BRANCH
0.24 MILE EAST OF MD 313, Kent, MD
Over: SLIGO CREEK
0.14 M S OF FRANKLIN AVE, Montgomery, MD
Over: LITTLE FALLS BRANCH
0.69 MILE WEST OF WASH DC, Montgomery, MD
Over: INDIAN CREEK
1000 FT NE OF US 1, Prince George's, MD
Over: TRIBUTARY TO PAINT BRANC
0.1 MILES S. OF CAMPUS DR, Prince George's, MD
Over: GR TONOLOWAY CK, CO RDS
0.67 MILE W OF MD 144WB, Washington, MD
Over: LITTLE ANTIETAM CREEK
0.81 MI NW OF MD RTE 67, Washington, MD
Over: HAMILTON RUN
0.5 MI E CANNON AVE, Washington, MD
Over: TONYTANK POND
0.34 MILE NORTH OF MD 513, Wicomico, MD
Over: POCOMOKE RIVER
ON WORCESTER CO LINE, Wicomico, MD
Over: SHILES CREEK
1 MI EAST MUDDY HOLE RD, Wicomico, MD
Showing 1,401-1,450 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 |