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

NORTH VINCENT STRE

Fair

Over: AMTRAK RAILROAD

0.2 MI E OF MONROE ST, Baltimore city, MD

Built 1920 Load: 32.7 t ADT: 3,077

REMINGTON AVENUE

Fair

Over: ABANDONED RAILROAD

REMINGTON AV/ABANDONED RR, Baltimore city, MD

Built 1901 Load: 32.7 t ADT: 3,110

BARCLAY STREET

Fair

Over: CSX RAILROAD

0.1 MI W OF GREENMOUNT AV, Baltimore city, MD

Built 1900 Load: 32.7 t ADT: 7,434

GUILFORD AVENUE

Fair

Over: CSX

0.2 MI E OF GREENMOUNT AV, Baltimore city, MD

Built 1914 Load: 32.7 t ADT: 6,197

HUNTINGDON AVENUE

Fair

Over: CSX

0.2 MI W OF MARYLAND AVE, Baltimore city, MD

Built 1900 Load: 32.7 t ADT: 10,312

WYMAN PARK DRIVE

Fair

Over: STONEY RUN

0.2 MI E SISSON ST, Baltimore city, MD

Built 1920 Load: 32.7 t ADT: 1,386

YALE AVENUE

Fair

Over: MAIDENS CHOICE CREEK

0.2 MI S OF FREDERICK AVE, Baltimore city, MD

Built 1950 Load: 32.7 t ADT: 1,204

FULTON AVENUE

Fair

Over: AMTRAK RAILROAD

0.5 MI S OF NORTH AVE, Baltimore city, MD

Built 1936 Load: 32.7 t ADT: 23,998

I-95 NB CD

Fair

Over: CSX RR & BERNARD DR

0.71 MI N OF CATON AVE., Baltimore city, MD

Built 1980 Load: 32.7 t ADT: 108,194

IS 95 RAMP E

Fair

Over: HERRING RUN, QUAD AVE

EX 60 NB RMP TO MORAV RD, Baltimore city, MD

Built 1974 Load: 32.7 t ADT: 6,819

IS 695 OL

Fair

Over: CURTIS CREEK, B&O RR

0.36 MI N OF AA CO LINE, Baltimore city, MD

Built 1975 Load: 32.7 t ADT: 23,169

MD 304

Fair

Over: MASON BRANCH

ON QUEEN ANNES CO LINE, Caroline, MD

Built 1900 Load: 32.7 t ADT: 2,942

MD 302

Fair

Over: BEAVERDAM DITCH

0.45 MILE EAST OF MD 454, Caroline, MD

Built 1950 Load: 32.7 t ADT: 1,461

TUCKAHOE ROAD

Fair

Over: TRIB TO TUCKAHOE CREEK

0.55 MI S OF ALT MD 404, Caroline, MD

Built 1911 Load: 32.7 t ADT: 953

OLD DENTON ROAD

Fair

Over: FAULKNER BRANCH

0.6 MI N OF FEDERALSBURG, Caroline, MD

Built 1963 Load: 32.7 t ADT: 2,383

MD 32

Fair

Over: PINEY RUN

.432 MILE NORTH OF MD 851, Carroll, MD

Built 1957 Load: 32.7 t ADT: 26,590

SR6 (BUTTERCUP ROA

Fair

Over: PINEY RUN

@ SPRINGFIELD HOSPITAL, Carroll, MD

Built 1927 Load: 32.7 t ADT: 12,400

MD 91

Fair

Over: MIDDLE RUN

0.02 MILE NORTH OF MD 879, Carroll, MD

Built 1964 Load: 32.7 t ADT: 10,670

MD 97

Fair

Over: PINEY RUN

1.0 MILE SOUTH OF MD 850H, Carroll, MD

Built 1979 Load: 32.7 t ADT: 10,080

MD 31

Fair

Over: LITTLE PIPE CREEK

0.02 MILE WEST OF MD 852, Carroll, MD

Built 1963 Load: 32.7 t ADT: 7,321

MD 27

Fair

Over: CRANBERRY BRANCH

.52 MILE NORTH OF MD 852G, Carroll, MD

Built 1959 Load: 32.7 t ADT: 18,790

MD 140

Fair

Over: BEAR BRANCH

1.87 MILE SOUTH OF MD 832, Carroll, MD

Built 1964 Load: 32.7 t ADT: 13,070

MD 31

Fair

Over: TURKEYFOOT RUN

1.57 MILE WEST OF MD 852, Carroll, MD

Built 1963 Load: 32.7 t ADT: 5,321

MD 91

Fair

Over: BEAVER RUN

.21 MILE NORTH OF MD 879C, Carroll, MD

Built 1967 Load: 32.7 t ADT: 11,260

MD 97

Fair

Over: PINEY BRANCH

2.42 MI S OF MD 850H, Carroll, MD

Built 1982 Load: 32.7 t ADT: 8,770

DEEP RUN ROAD

Fair

Over: DEEP RUN

0.2 E OLD HANOVER ROAD, Carroll, MD

Built 1978 Load: 32.7 t ADT: 942

HOFFMAN MILL ROAD

Fair

Over: EAST BRANCH PATAPSCO RIV

1 MI W OF HOUCKSVILLE RD., Carroll, MD

Built 1991 Load: 32.7 t ADT: 751

MD 7C

Fair

Over: STONY RUN

0.56 MILE SOUTH OF MD 272, Cecil, MD

Built 1931 Load: 32.7 t ADT: 2,360

US 40

Fair

Over: PRINCIPIO CREEK

1.0 MILE WEST OF MD 7B, Cecil, MD

Built 1940 Load: 32.7 t ADT: 25,400

US 40 EB

Fair

Over: BIG ELK CREEK

0.34 MILE WEST OF MD 213, Cecil, MD

Built 1939 Load: 32.7 t ADT: 15,537

US 40 WB

Fair

Over: BIG ELK CREEK

0.34 MILE WEST OF MD 213, Cecil, MD

Built 1939 Load: 32.7 t ADT: 16,172

MD 273

Fair

Over: NORTHEAST CREEK

1.18 MILES WEST OF MD 272, Cecil, MD

Built 1931 Load: 32.7 t ADT: 5,542

MD 7C

Fair

Over: BR OF NORTHEAST CREEK

0.63 MILE NORTH OF MD 267, Cecil, MD

Built 1900 Load: 32.7 t ADT: 2,360

SPRINGFIELD DRIVE

Fair

Over: LITTLE NORTHEAST CREEK

0.2 MI. S. OF SR 273, Cecil, MD

Built 1980 Load: 32.7 t ADT: 379

WHEATLEY ROAD

Fair

Over: LITTLE NORTHEAST CREEK

2.48 MILES NE OF MD 272, Cecil, MD

Built 1965 Load: 32.7 t ADT: 355

I-95

Fair

Over: MILL CREEK

MILEPOST M93.6, Cecil, MD

Built 1963 Load: 32.7 t ADT: 89,058

MD 6

Fair

Over: PORT TABACCO CREEK

2.55 MILES WEST OF US 301, Charles, MD

Built 1988 Load: 32.7 t ADT: 3,302

MD 6

Fair

Over: MILL RUN

0.03 M W OF MILL SWAMP RD, Charles, MD

Built 1961 Load: 32.7 t ADT: 3,302

MD 227

Fair

Over: MILL SWAMP

2.29 MILES WEST OF MD 210, Charles, MD

Built 1956 Load: 32.7 t ADT: 5,611

MD 227

Fair

Over: PAGES SWAMP

1.15 MILES WEST OF US 301, Charles, MD

Built 1900 Load: 32.7 t ADT: 5,771

MD 228

Fair

Over: PINEY BRANCH

1.18 M E OF PG CO LINE, Charles, MD

Built 1957 Load: 32.7 t ADT: 39,800

CONSTITUTION DRIVE

Fair

Over: PINEY BRANCH

1 Mile West of US 301, Charles, MD

Built 1995 Load: 32.7 t ADT: 208

COURTNEY DRIVE

Fair

Over: TRIBUTARY OF MATTAWOMAN

.5 MILE E. OF MD RTE 228, Charles, MD

Built 1989 Load: 32.7 t ADT: 250

MD 331

Fair

Over: GRAVEL RUN

1.24 MILE SOUTS OF MD 318, Dorchester, MD

Built 1958 Load: 32.7 t ADT: 4,530

US 50

Fair

Over: MIDDLETOWN BRANCH

0.04 MILE EAST OF MILL RD, Dorchester, MD

Built 1944 Load: 32.7 t ADT: 19,469

US 15

Fair

Over: LITTLE HUNTING CREEK

.87 MILE NORTH OF MD 806A, Frederick, MD

Built 1962 Load: 32.7 t ADT: 30,800

US 40

Fair

Over: MIDDLE CREEK

0.12 MILE EAST OF MD 17, Frederick, MD

Built 1936 Load: 32.7 t ADT: 5,522

US 15 SBR

Fair

Over: FISHING CREEK

0.07 MI N OF POWELL RD, Frederick, MD

Built 1961 Load: 32.7 t ADT: 43,080

US 15 SB

Fair

Over: TOMS CREEK

0.65 MILE N OF US 15BU, Frederick, MD

Built 1965 Load: 32.7 t ADT: 18,340

US 40 MEDIAN CROSS

Fair

Over: ROCK CREEK

0.28 M W OF BOWERS ROAD, Frederick, MD

Built 1969 Load: 32.7 t ADT: 25

Showing 1,751-1,800 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.