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

DEER CREEK CHURCH

Fair

Over: STOUT BOTTLE BRANCH

0.5 MIL SW OF WALTERS M R, Harford, MD

Built 1964 Load: 64.4 t ADT: 347

LITTLE FALLS PARKW

Fair

Over: WILLET BRANCH

0.1 MI S OF HILLANDALE RD, Montgomery, MD

Built 1958 Load: 64.4 t ADT: 17,373

IS 95/495 RAMPS E&

Fair

Over: IS 295 RAMP 'O'

0.34 M S OF BR NO 1621900, Prince George's, MD

Built 1990 Load: 64.4 t ADT: 22,062

NORTH SCHUMAKER DR

Fair

Over: BEAVERDAM CREEK

1.34 MI S OF MD 350, Wicomico, MD

Built 1992 Load: 64.4 t ADT: 643

US 40 EBR

Fair

Over: GUNPOWDER FALLS

0.31 MI W OF JONES RD, Baltimore, MD

Built 1935 Load: 64.8 t ADT: 14,805

US 40 WBR

Fair

Over: GUNPOWDER FALLS

0.31 MI W OF JONES RD, Baltimore, MD

Built 1935 Load: 64.8 t ADT: 14,805

KERNAN DRIVE

Fair

Over: DEAD RUN

50 FT E SECURITY BLVD, Baltimore, MD

Built 1948 Load: 64.9 t ADT: 11,216

RUXTON ROAD

Fair

Over: ROLAND RUN

0.42 MI E OF MD 134, Baltimore, MD

Built 1959 Load: 64.9 t ADT: 6,375

MULBERRY STREET

Fair

Over: PEARL STREET

0.1 MI W OF PACA ST, Baltimore city, MD

Built 1975 Load: 64.9 t ADT: 22,594

I-83 RAMP 'C'

Fair

Over: I-83 RAMP 'E'

0.4 MI N OF NORTH AVE, Baltimore city, MD

Built 1959 Load: 64.9 t ADT: 23,600

MD 77

Fair

Over: HUNTING CREEK

1.15 M W OF PRYOR ROAD, Frederick, MD

Built 1970 Load: 64.9 t ADT: 3,271

NOVA SCOTIA ROAD

Fair

Over: JAMES RUN

0.6 MILES E OF MD 543, Harford, MD

Built 1930 Load: 64.9 t ADT: 275

HARFORD CREAMERY R

Fair

Over: JACKSON BRANCH

0.3 MILES S OF MD 23, Harford, MD

Built 1979 Load: 64.9 t ADT: 81

US 301

Fair

Over: MATTAWOMAN CREEK

ON CHARLES CO LINE, Prince George's, MD

Built 1950 Load: 64.9 t ADT: 73,212

IS 81 NB

Fair

Over: NORFOLK SOUTHERN RR

0.57 MILE NORTH OF MD 58, Washington, MD

Built 1958 Load: 64.9 t ADT: 63,000

IS 81 SB

Fair

Over: NORFOLK SOUTHERN RR

0.57 MILE NORTH OF MD 58, Washington, MD

Built 1958 Load: 64.9 t ADT: 63,000

VIRGINIA AVENUE

Fair

Over: NORFOLK SOUTHERN RAILROA

100 FT S OF W WILSON BLVD, Washington, MD

Built 1983 Load: 64.9 t ADT: 14,139

ROYAL OAK ROAD

Fair

Over: DENNIS CREEK

0.4 MI NW OF MD RTE 349, Wicomico, MD

Built 1995 Load: 64.9 t ADT: 735

IS 83

Fair

Over: WESTERN RUN

0.81 M S OF BR NO 0305600, Baltimore, MD

Built 1953 Load: 65.3 t ADT: 60,263

MILFORD MILL ROAD

Fair

Over: GWYNNS FALLS

250 FT E SCOTTS HILL DR, Baltimore, MD

Built 1983 Load: 65.3 t ADT: 24,976

COLDSPRING LANE RA

Fair

Over: JONES FALLS

COLDSPRING AT I-83, Baltimore city, MD

Built 1962 Load: 65.3 t ADT: 34,824

MD 97

Fair

Over: MORGAN RUN

3.14 MILE SOUTH OF MD 32, Carroll, MD

Built 1959 Load: 65.3 t ADT: 15,140

US 15 RAMP 'J'

Fair

Over: HUNTING CREEK

0.03 MI S OF MD 77, Frederick, MD

Built 1985 Load: 65.3 t ADT: 500

OLD ANNAPOLIS ROAD

Fair

Over: LITTLE PATUXENT RIVER

0.04 MI W CO 76 & MD 108, Howard, MD

Built 1987 Load: 65.3 t ADT: 7,285

IS 495 RAMP E(10)

Fair

Over: CABIN JOHN CREEK

0.12 MI W OF IS 495X, Montgomery, MD

Built 1964 Load: 65.3 t ADT: 11,731

WARING STATION ROA

Fair

Over: CSXT RAILROAD

0.5 MI NORTH OF MD 117, Montgomery, MD

Built 1986 Load: 65.3 t ADT: 6,897

WHITES FERRY ROAD

Fair

Over: BROAD RUN

3 MILES WEST OF MD 109, Montgomery, MD

Built 1931 Load: 65.3 t ADT: 1,988

IS 495 IL

Fair

Over: PAINT BRANCH

1.42 M E OF MONTGOMERY CO, Prince George's, MD

Built 1964 Load: 65.3 t ADT: 139,680

SANDY HOOK ROAD

Fair

Over: CSXT RAILROAD

1.0 MI W OF US RTE 340, Washington, MD

Built 1925 Load: 65.3 t ADT: 1,727

I-95 NB

Fair

Over: FRENCHTOWN RD

0.8 MI N OF SUSQUEHANNA R, Cecil, MD

Built 1963 Load: 65.8 t ADT: 38,081

MD 39

Fair

Over: LITTLE YOUGHIOGHENY RIVE

0.19 MILE WEST OF US 219, Garrett, MD

Built 1921 Load: 65.8 t ADT: 5,572

BERNADETTE DRIVE

Fair

Over: BEAR CABIN BRANCH

0.8 MIL E OF GRAFTON SHOP, Harford, MD

Built 1970 Load: 65.8 t ADT: 869

IS 95 IL

Fair

Over: INDIAN CREEK

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

Built 1963 Load: 65.8 t ADT: 211,410

IS 97 NBR

Fair

Over: CROWNSVILLE ROAD

0.7 MI N OF MD 450, Anne Arundel, MD

Built 1987 Load: 66.2 t ADT: 91,300

IS 97 SBR

Fair

Over: CROWNSVILLE ROAD

0.71 MILE NORTH OF MD 450, Anne Arundel, MD

Built 1987 Load: 66.2 t ADT: 91,300

WEYBURN ROAD

Fair

Over: REDHOUSE RUN

300 FT W. OF ELLINWOOD RD, Baltimore, MD

Built 1963 Load: 66.2 t ADT: 4,687

POPLAR GROVE ST

Fair

Over: CSX

0.4 MI S OF NORTH AVE, Baltimore city, MD

Built 1910 Load: 66.2 t ADT: 1,219

I-83 SB TO EB 28TH

Fair

Over: I-83

0.4 MI N OF NORTH AVE, Baltimore city, MD

Built 1961 Load: 66.2 t ADT: 7,830

US 1

Fair

Over: NORFOLK SOUTHERN RR

0.02 MILE NORTH OF MD 222, Cecil, MD

Built 1931 Load: 66.2 t ADT: 9,652

MOUNTAINDALE ROAD

Fair

Over: FISHING CREEK

AT PUTNAM RD INT, Frederick, MD

Built 1979 Load: 66.2 t ADT: 346

MD 190

Fair

Over: MUDDY BRANCH

0.98 M E OF PETTIT WAY, Montgomery, MD

Built 1954 Load: 66.2 t ADT: 3,592

RANDOLPH ROAD (WB)

Fair

Over: ROCK CREEK

0.6 MILES WEST OF MD 586, Montgomery, MD

Built 1951 Load: 66.2 t ADT: 23,434

MD 212

Fair

Over: NORTHWEST BRANCH

0.73 MILE NORTH OF MD 193, Prince George's, MD

Built 1932 Load: 66.2 t ADT: 20,911

OLD COURT ROAD

Fair

Over: BENS RUN

0.4 MI SOUTH OF MD 26, Baltimore, MD

Built 1972 Load: 66.4 t ADT: 8,650

MD 7B

Fair

Over: PRINCIPO CREEK

0.62 MILE SOUTH OF US 40, Cecil, MD

Built 1995 Load: 66.7 t ADT: 1,700

BLUE BALL RD

Fair

Over: LITTLE NORTHEAST CREEK

0.01 MI N OF WHEATLEY RD, Cecil, MD

Built 2007 Load: 66.7 t ADT: 3,291

MOUNTAINDALE ROAD

Fair

Over: LITTLE FISHING CREEK

0.1 MI W OF GAMBRILL PARK, Frederick, MD

Built 1982 Load: 66.7 t ADT: 106

MD 66

Fair

Over: BEAVER CREEK

1.95 MILES N OF MD 910B, Washington, MD

Built 1932 Load: 66.7 t ADT: 8,291

MD 146

Fair

Over: LITTLE GUNPOWDER FALLS

ON HARFORD CO LINE, Baltimore, MD

Built 1931 Load: 67.1 t ADT: 13,621

IS 695 IL

Fair

Over: GWYNNS FALLS

0.12 MILE NORTH OF IS 795, Baltimore, MD

Built 1961 Load: 67.1 t ADT: 188,352

Showing 3,301-3,350 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.