State profile · Below median Poor share

Maryland bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.

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

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Maryland on the same metric.

CT

Connecticut

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

TN

Tennessee

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

MD

Maryland

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

CO

Colorado

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

OR

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Maryland

RED TOAD ROAD

Fair

Over: CSX RAILROAD

0.67 MI S OF IS 95, Cecil, MD

Built 1973 Load: 39.0 t ADT: 2,391

MD 5 SB

Fair

Over: ZEKIAH SWAMP

0.44 MILE SOUTH OF MD 488, Charles, MD

Built 1932 Load: 39.0 t ADT: 37,490

MD 6

Fair

Over: WARDS RUN

0.34 M W OF HILLTOP ROAD, Charles, MD

Built 1929 Load: 39.0 t ADT: 3,302

HOOPERS ISLAND ROA

Fair

Over: HONGA RIVER

4.41 MI S OF MD RTE 335, Dorchester, MD

Built 1980 Load: 39.0 t ADT: 365

MAPLE DAM ROAD

Fair

Over: BLACKWATER RIVER

13.34 MILES S. OF MD. 16, Dorchester, MD

Built 1997 Load: 39.0 t ADT: 645

YELLOW SPRINGS ROA

Fair

Over: LITTLE TUSCARORA CREEK

0.1 MI N WALTER MARTZ RD, Frederick, MD

Built 1930 Load: 39.0 t ADT: 6,340

DEVILBISS BRIDGE R

Fair

Over: MONOCACY RIVER

0.6 MI W OF DUBLIN RD, Frederick, MD

Built 1980 Load: 39.0 t ADT: 3,371

PARK ACCESS ROAD

Fair

Over: STREAM

0.15 MILES FROM MD ROUTE, Frederick, MD

Built 1985 Load: 39.0 t ADT: 60

ACCIDENT-FRIENDSVI

Fair

Over: SOUTH BRANCH OF BEAR CRE

0.43 MI SE ACC BEAR CR RD, Garrett, MD

Built 1984 Load: 39.0 t ADT: 146

US 1

Fair

Over: BEALMEAR BRANCH

0.46 MILE NORTH OF MD 100, Howard, MD

Built 1929 Load: 39.0 t ADT: 35,932

US 301 SB

Fair

Over: SASSAFRAS RIVER

ON CECIL COUNTY LINE, Kent, MD

Built 1955 Load: 39.0 t ADT: 9,710

MD 445

Fair

Over: SWAN CREEK

2.60 MILES SOUTH OF MD 21, Kent, MD

Built 1929 Load: 39.0 t ADT: 780

MD 182

Fair

Over: BUCKHORN BR

1.345 M S OF MD 28, Montgomery, MD

Built 1931 Load: 39.0 t ADT: 9,850

EAST GUDE DRIVE (W

Fair

Over: CSXT RR & WMATA METRO

0.1 MI EAST OF MD 355, Montgomery, MD

Built 1968 Load: 39.0 t ADT: 23,918

BEACH DRIVE

Fair

Over: ROCK CREEK

0.5 MI S OF JCT SR 547, Montgomery, MD

Built 1968 Load: 39.0 t ADT: 6,789

BELTSVILLE DRIVE

Fair

Over: TRIB TO LITTLE PAINT BR

0.36 MI N OF MD 212, Prince George's, MD

Built 1969 Load: 39.0 t ADT: 20,928

BRIGHTSEAT ROAD

Fair

Over: TRIB TO SOUTHWEST BRANCH

0.2 MI NORTH OF MD 214, Prince George's, MD

Built 1979 Load: 39.0 t ADT: 13,694

LOTTSFORD ROAD

Fair

Over: WESTERN BRANCH

1 MI E OF MD 202, Prince George's, MD

Built 1989 Load: 39.0 t ADT: 22,524

WINDBROOK DRIVE

Fair

Over: PISCATAWAY CREEK

0.12 MI N OF FLORAL PK DR, Prince George's, MD

Built 1974 Load: 39.0 t ADT: 3,434

STEED ROAD

Fair

Over: TINKERS CREEK

0.94 MI W OF MD 223, Prince George's, MD

Built 2006 Load: 39.0 t ADT: 9,833

MILLARD LONG ROAD

Fair

Over: BACK CREEK

1 MI N OF MANOKIN ROAD, Somerset, MD

Built 1996 Load: 39.0 t ADT: 368

MD 471

Fair

Over: ST MARYS RIVER

0.36 MILE NORTH OF MD 5, St. Mary's, MD

Built 1932 Load: 39.0 t ADT: 4,242

DELABROOKE ROAD

Fair

Over: HORSE LANDING CREEK

2 MI E OF MD RTE 6, St. Mary's, MD

Built 1971 Load: 39.0 t ADT: 200

MD 662C

Fair

Over: POTTS MILL CREEK

2.05 MILES SOUTH OF US 50, Talbot, MD

Built 1911 Load: 39.0 t ADT: 1,481

MD 66

Fair

Over: BEAVER CREEK

0.20 MILE NORTH OF MD 64, Washington, MD

Built 1900 Load: 39.0 t ADT: 4,961

IS 68 WB

Fair

Over: CREEK RD

1.0 MILE WEST OF IS 70, Washington, MD

Built 1965 Load: 39.0 t ADT: 19,000

MD 353

Fair

Over: AYDELOTTE BRANCH

0.77 MILE NORTH OF MD 346, Wicomico, MD

Built 1961 Load: 39.0 t ADT: 4,162

BURNT MILL ROAD

Fair

Over: BURNT MILL BRANCH

1.2 MI E OF MD 353, Wicomico, MD

Built 1974 Load: 39.0 t ADT: 942

MD 365

Fair

Over: PATTYS BRANCH

0.09 MILE EAST OF US 113, Worcester, MD

Built 1967 Load: 39.0 t ADT: 1,310

MD 2

Fair

Over: BRANCH OF MARLEY CREEK

1.48 MI S OF MD 648E, Anne Arundel, MD

Built 1936 Load: 39.5 t ADT: 23,961

IS 97 RAMP 'F'

Fair

Over: VETERANS HIGHWAY

IS 97 INTER W/NEW CUT RD, Anne Arundel, MD

Built 1989 Load: 39.5 t ADT: 10,999

RIVER BRIDGE WAY

Fair

Over: TRIB TO PATUXENT RIVER

750 FT W OF BROCK BR ROAD, Anne Arundel, MD

Built 1994 Load: 39.5 t ADT: 266

IS 83 SBR

Fair

Over: GUNPOWDER FALLS

1.92 M N OF MD 137, Baltimore, MD

Built 1958 Load: 39.5 t ADT: 59,820

MD 702 WBR

Fair

Over: NORTHEAST CREEK

0.10 MILE WEST OF MD 695, Baltimore, MD

Built 1972 Load: 39.5 t ADT: 19,406

BEAVER DAM ROAD

Fair

Over: BEAVER DAM RUN

0.1 MI N COCKEYSVILLE RD, Baltimore, MD

Built 1976 Load: 39.5 t ADT: 27,012

BLACK FRIARS ROAD

Fair

Over: TRIBUTARY TO DEAD RUN

0.06 MI S OF CHESWORTH RD, Baltimore, MD

Built 1960 Load: 39.5 t ADT: 400

I-895 SB

Fair

Over: AMTRAK

Milepost M2.0, Baltimore, MD

Built 1957 Load: 39.5 t ADT: 8,846

CENTRAL AVENUE

Fair

Over: HARFORD RUN

LANCASTER & ALICEANNA ST., Baltimore city, MD

Built 1960 Load: 39.5 t ADT: 4,140

HANOVER STREET

Fair

Over: PATAPSCO RIVER

1.3 MI S OF IS 95, Baltimore city, MD

Built 1973 Load: 39.5 t ADT: 27,673

I-395 RAMP G

Fair

Over: MIDDLE BRANCH, MTA, CSX

Milepost 0.8, Baltimore city, MD

Built 1976 Load: 39.5 t ADT: 49,585

I-395 NB

Fair

Over: HAMBURG ST

Milepost 1.4, Baltimore city, MD

Built 1982 Load: 39.5 t ADT: 28,544

I-695 OL

Fair

Over: CHEMICAL ROAD

0.02 MI N OF MD RTE 173, Baltimore city, MD

Built 1972 Load: 39.5 t ADT: 23,169

MD 496

Fair

Over: BR OF BIG PIPE CREEK

3.03 MI E OF MD 97, Carroll, MD

Built 1931 Load: 39.5 t ADT: 4,042

NORTH TANNERY ROAD

Fair

Over: WEST BR PATAPSCO RIVER

0.8 MI W OF GORSUCH ROAD, Carroll, MD

Built 1974 Load: 39.5 t ADT: 200

MD 5 SB

Fair

Over: ZEKIAH SWAMP

0.54 MILE SOUTH OF MD 488, Charles, MD

Built 1931 Load: 39.5 t ADT: 41,209

PARK MILLS ROAD

Fair

Over: MONOCACY RIVER

1 MI N OF MD RTE 28, Frederick, MD

Built 1979 Load: 39.5 t ADT: 557

LONGS MILL ROAD

Fair

Over: OWENS CREEK

1.8 MI E OF MD 550, Frederick, MD

Built 1979 Load: 39.5 t ADT: 670

HARNEY ROAD

Fair

Over: MIDDLE CREEK

1.12 MI E OF EMMITSBURG, Frederick, MD

Built 1971 Load: 39.5 t ADT: 811

MD 495

Fair

Over: N BR OF CASSLEMAN RIVER

1.98 M S OF NORTH PARK RD, Garrett, MD

Built 1931 Load: 39.5 t ADT: 2,581

US 40

Fair

Over: BUSH CREEK

3.24 MILES EAST OF MD 24, Harford, MD

Built 1935 Load: 39.5 t ADT: 21,093

Showing 2,301-2,350 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.