State profile · Below national median SD

Maryland bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.

5,527
Public bridges
25.9%
Good condition
4.3%
Poor condition
4.3%
Structurally deficient

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%

Maryland vs national bridge condition

Maryland — Good condition share 25.9%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Maryland — Structurally deficient share 14.2%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Maryland vs nearby ranks

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

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426
Selected

24

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

08

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

41

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

Bridges Needing Most Attention in Maryland

Six lowest-condition bridges in Maryland, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Maryland

MD 852H

Fair

Over: WEST BRANCH PATAPSCO RIV

0.02 MILE WEST OF MD 852G, Carroll, MD

Built 1911 Load: 54.9 t ADT: 999

ARTERS MILL ROAD

Fair

Over: BIG PIPE CREEK

1.01 MI N OF STONE ROAD, Carroll, MD

Built 1982 Load: 54.9 t ADT: 247

DR JACK ROAD

Fair

Over: ABANDONED RAILROAD

0.12 MI S OF BASIN RUN RD, Cecil, MD

Built 1981 Load: 54.9 t ADT: 1,757

TWINBROOK PARKWAY

Fair

Over: CSXT RR & WMATA METRO

0.24 MILES EAST OF MD 355, Montgomery, MD

Built 1964 Load: 54.9 t ADT: 39,672

IS 81 SB

Fair

Over: CSX TRANS.

1.28 MILES NORTH OF IS 70, Washington, MD

Built 1964 Load: 54.9 t ADT: 37,409

KLONDIKE ROAD

Fair

Over: GEORGES CREEK

0.16 MI NW OF MD RTE 936, Allegany, MD

Built 1991 Load: 55.3 t ADT: 783

WILKENS AVENUE

Fair

Over: AMTRAK

0.7 MI W OF CATON AVENUE, Baltimore city, MD

Built 1928 Load: 55.3 t ADT: 17,889

BASEHORES MILL RD

Fair

Over: BIG PIPE CREEK

0.02 MI NW OF UNGER RD, Carroll, MD

Built 1981 Load: 55.3 t ADT: 669

BLACK SNAKE ROAD

Fair

Over: LITTLE ELK CREEK

0.62 MI N OF LEEDS RD, Cecil, MD

Built 1979 Load: 55.3 t ADT: 545

TRUMAN MANOR LANE

Fair

Over: SWANSON CREEK

1 MI E GALLANT GREEN RD, Charles, MD

Built 1992 Load: 55.3 t ADT: 1,221

OLD FREDERICK ROAD

Fair

Over: HUNTING CREEK

1.5 MILES SOUTH OF MD 550, Frederick, MD

Built 1995 Load: 55.3 t ADT: 3,445

ACCIDENT-BEAR CREE

Fair

Over: BEAR CREEK

0.13 MI NW OF US 219, Garrett, MD

Built 1990 Load: 55.3 t ADT: 725

MD 201 NB

Fair

Over: AMTRAK,SER RD,BEAVERDAM

0.16 MILE SOUTH OF US 50, Prince George's, MD

Built 2008 Load: 55.3 t ADT: 132,060

GREENBELT METRO DR

Fair

Over: WATERMAIN

150 ft S. I-95 NB, Prince George's, MD

Built 1989 Load: 55.3 t ADT: 3,326

IS 81 NB

Fair

Over: CSX TRANS.

1.28 MILES NORTH OF IS 70, Washington, MD

Built 1964 Load: 55.3 t ADT: 37,141

BARNES ROAD

Fair

Over: BEAVER CREEK

0.7 MI NW OF MD RTE 68, Washington, MD

Built 1906 Load: 55.3 t ADT: 399

MD 695 RAMP 'F'(4)

Fair

Over: CSX TRANSPORTATION

0.10 MI S OF US 40, Baltimore, MD

Built 1975 Load: 55.8 t ADT: 6,742

UPPER BECKLEYSVILL

Fair

Over: GEORGES RUN

0.55 MI SW OF MD 25, Baltimore, MD

Built 1930 Load: 55.8 t ADT: 1,381

KELSO DRIVE

Fair

Over: STEMMERS RUN

0.2 MI SW OF ROSSVILLE RD, Baltimore, MD

Built 1988 Load: 55.8 t ADT: 5,707

GREENSPRING AVENUE

Fair

Over: WESTERN RUN

0.1 MI S CROSS COUNTRY BL, Baltimore city, MD

Built 1958 Load: 55.8 t ADT: 20,500

OFF-RAMP I-83 NB T

Fair

Over: JONES FALLS

NB I-83 TO WB N PKWY, Baltimore city, MD

Built 1959 Load: 55.8 t ADT: 23,800

IS 95 RAMP C

Fair

Over: MIDDLE BRANCH

0.6 MI E RUSSELL ST, Baltimore city, MD

Built 1980 Load: 55.8 t ADT: 11,737

I-95 RAMP OT

Fair

Over: PROPOSED CANTON RR TRACK

Milepost M56.2, Baltimore city, MD

Built 1980 Load: 55.8 t ADT: 5,247

STARNERS DAM ROAD

Fair

Over: MONOCACY RIVER

ON FRED CO LINE, Carroll, MD

Built 1918 Load: 55.8 t ADT: 36

MD 279

Fair

Over: BRANCH OF BIG ELK CREEK

0.84 MILE NORTH OF MD 316, Cecil, MD

Built 1959 Load: 55.8 t ADT: 12,804

IS 68 EB

Fair

Over: SIDELING HILL CREEK

ON ALLEGANY CO LINE, Washington, MD

Built 1982 Load: 55.8 t ADT: 19,950

FISHERS STATION RD

Fair

Over: CABIN BRANCH

0.5 MI E OF MD RTE 4, Anne Arundel, MD

Built 1994 Load: 56.2 t ADT: 158

MONKTON ROAD

Fair

Over: CHARLES RUN

500 FT S SHEPPERD ROAD, Baltimore, MD

Built 1976 Load: 56.2 t ADT: 2,343

CHARMUTH ROAD

Fair

Over: LONG QUARTER BRANCH

0.62 MI N OF MD 146, Baltimore, MD

Built 1959 Load: 56.2 t ADT: 10,087

MANOR ROAD

Fair

Over: PARKER BRANCH

1.4 M SE OF OLD YORK RD, Baltimore, MD

Built 1985 Load: 56.2 t ADT: 4,309

JERICHO ROAD

Fair

Over: TRIBUTARY TO LITTLE GUNP

0.3 MI N FRANKLINVILLE RD, Baltimore, MD

Built 1991 Load: 56.2 t ADT: 527

FALLSWAY VIADUCT

Fair

Over: UNDERGROUND CONDUIT

0.2 MI N MADISON ST, Baltimore city, MD

Built 1930 Load: 56.2 t ADT: 4,050

NORTHERN PKWY ON-R

Fair

Over: MTA LIGHT RAIL

ON RAMP SB I-83, Baltimore city, MD

Built 1959 Load: 56.2 t ADT: 23,800

IS 95 SB COLLECTOR

Fair

Over: DESOTO RD

MILEPOST M52.4, Baltimore city, MD

Built 1976 Load: 56.2 t ADT: 8,964

IS 95 RAMP C

Fair

Over: LIGHT RAIL

0.3 MI E RUSSELL ST, Baltimore city, MD

Built 1977 Load: 56.2 t ADT: 11,737

FRINGER ROAD

Fair

Over: PINEY CREEK

0.08 MI N OF MD 194, Carroll, MD

Built 1930 Load: 56.2 t ADT: 326

LOUISVILLE ROAD

Fair

Over: MIDDLE RUN

0.60 MI S OF DEER PARK RD, Carroll, MD

Built 1974 Load: 56.2 t ADT: 988

MILL GREEN ROAD

Fair

Over: BROAD CREEK

0.03 MILES E OF MD 646, Harford, MD

Built 1988 Load: 56.2 t ADT: 418

CRABBS BRANCH WAY

Fair

Over: METRO ACCESS ROAD

.7 MI S OF SHADY GROVE RD, Montgomery, MD

Built 1983 Load: 56.2 t ADT: 23,523

IS 95 IL

Fair

Over: BR OF INDIAN CREEK

0.32 MILE NORTH OF MD 201, Prince George's, MD

Built 1963 Load: 56.2 t ADT: 211,410

IS 95 OL

Fair

Over: BR OF INDIAN CREEK

0.32 MILE NORTH OF MD 201, Prince George's, MD

Built 1963 Load: 56.2 t ADT: 211,410

RIVA ROAD

Fair

Over: SOUTH RIVER

2 MI SOUTH OF MD 665, Anne Arundel, MD

Built 1959 Load: 56.7 t ADT: 10,210

MD 695A

Fair

Over: NORFOLK SOUTHERN RR

.08 MILE SOUTH OF MD 695B, Baltimore, MD

Built 1937 Load: 56.7 t ADT: 7,360

EBENEZER ROAD

Fair

Over: AMTRAK RAILROAD

0.1 MI NW EASTERN AVE EXT, Baltimore, MD

Built 1982 Load: 56.7 t ADT: 11,290

HILLEN ROAD

Fair

Over: TRIBUTARY TO HERRING RUN

0.4 MI S NORTHERN PKWY, Baltimore city, MD

Built 1962 Load: 56.7 t ADT: 9,115

ASHLAND ROAD

Fair

Over: WESTERN RUN

0.2 MI E YORK RD, Baltimore city, MD

Built 1922 Load: 56.7 t ADT: 9,956

BAPTIST ROAD

Fair

Over: ALLOWAY CREEK

0.11 MI N OF STARNERS DAM, Carroll, MD

Built 1911 Load: 56.7 t ADT: 269

TEETER ROAD

Fair

Over: PINEY CREEK

0.54 MI WEST OF MD 194, Carroll, MD

Built 1910 Load: 56.7 t ADT: 236

SLACKS ROAD

Fair

Over: PINEY RUN

0.80 MI N RAINCLIFFE ROAD, Carroll, MD

Built 1975 Load: 56.7 t ADT: 905

ROHRBAUGH ROAD

Fair

Over: GRAVE RUN

ROHRBAUGH RD 0.36, Carroll, MD

Built 1976 Load: 56.7 t ADT: 148

Showing 3,051-3,100 of 5,527 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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.