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

BRENBROOK DRIVE

Fair

Over: SCOTTS LEVEL BRANCH

0.67 MI N OF MD 26, Baltimore, MD

Built 1982 Load: 67.1 t ADT: 13,165

FALLS ROAD

Fair

Over: GRAVES RUN

0.6 MI N OF BECKLEYSVILLE, Baltimore, MD

Built 1991 Load: 67.1 t ADT: 1,846

I-83 NB OFF RAMP

Fair

Over: MD 25, FALLS RD

OFF RAMP OVER FALLS RD, Baltimore city, MD

Built 1960 Load: 67.1 t ADT: 27,539

I-83

Fair

Over: ON RAMP FROM FALLS ROAD

JFX OVER FALLS RD ON RAMP, Baltimore city, MD

Built 1959 Load: 67.1 t ADT: 141,041

MULLINIX MILL ROAD

Fair

Over: PATUXENT RIVER

1.2 MI W OF MD 94, Howard, MD

Built 1991 Load: 67.1 t ADT: 383

MD 117

Fair

Over: BUCKLODGE BRANCH

3.12 MILES NORTH OF MD 28, Montgomery, MD

Built 1932 Load: 67.1 t ADT: 5,572

MD 118

Fair

Over: GREAT SENECA CREEK

1.3 MILES NORTH OF MD 28, Montgomery, MD

Built 1931 Load: 67.1 t ADT: 6,121

NICHOLSON LANE

Fair

Over: CSXT RAILROAD

0.5 MILES EAST OF MD 355, Montgomery, MD

Built 2008 Load: 67.1 t ADT: 38,971

DENNIS AVENUE

Fair

Over: SLIGO CREEK

0.7 MI E OF JCT SR 97, Montgomery, MD

Built 1999 Load: 67.1 t ADT: 10,971

BEACH DRIVE

Fair

Over: ROCK CREEK

0.15 MI N OF JCT SR 547, Montgomery, MD

Built 1966 Load: 67.1 t ADT: 8,663

FRANKLIN GIBSON RD

Fair

Over: TRACYS CREEK

0.11 MI SOUTH OF MD 258, Anne Arundel, MD

Built 1998 Load: 67.6 t ADT: 253

I-83 NB OFF RAMP T

Fair

Over: I-83 BERM

NEAR COLDSPRING LANE, Baltimore city, MD

Built 1959 Load: 67.6 t ADT: 72,000

PARRAN ROAD

Fair

Over: SAINT LEONARD CREEK

0.3 MI N OF MD RTE 2/4, Calvert, MD

Built 1994 Load: 67.6 t ADT: 682

LILY PONS ROAD

Fair

Over: SMALL STREAM

0.1 MI EAST OF MD RTE 85, Frederick, MD

Built 1976 Load: 67.6 t ADT: 394

IS 95 NB

Fair

Over: STANSFIELD RD

0.50 MI N OF PG CO, Howard, MD

Built 1970 Load: 67.6 t ADT: 186,040

SUNDAYS LANE

Fair

Over: TUSCARORA CREEK

0.25 MI E OPOSSUMTOWN PIK, Frederick, MD

Built 1978 Load: 68.0 t ADT: 505

MD 135

Fair

Over: CSX TRANSPORTATION

0.3 MI W OF ALLEGANY CO, Garrett, MD

Built 1957 Load: 68.0 t ADT: 3,542

TUCKERMAN LANE

Fair

Over: CABIN JOHN CREEK

1 MI E OF SEVEN LOCKS RD, Montgomery, MD

Built 1966 Load: 68.0 t ADT: 24,539

BW PARKWAY

Fair

Over: CSX RAILROAD

0.1 MILES SOUTH OF MD ROU, Prince George's, MD

Built 1953 Load: 68.0 t ADT: 80,000

WATSON ROAD

Fair

Over: CORSICA RIVER

0.2 MI N OF MD RTE 304, Queen Anne's, MD

Built 1993 Load: 68.0 t ADT: 787

NORTH AVE. ON-RAMP

Fair

Over: I-83 SB

ON RAMP TO SB I-83, Baltimore city, MD

Built 1959 Load: 68.5 t ADT: 6,289

I-83

Fair

Over: WESTERN RUN

0.1 MI N OF KELLY AVE, Baltimore city, MD

Built 1959 Load: 68.5 t ADT: 32,377

MD 267

Fair

Over: AMTRAK

0.12 MILE WEST OF MD 7C, Cecil, MD

Built 1974 Load: 68.5 t ADT: 1,680

SINGER ROAD

Fair

Over: WINTERS RUN

1.1 MILES W OF MD 24, Harford, MD

Built 1983 Load: 68.5 t ADT: 9,170

DERRICK PLACE

Fair

Over: BUTLER BRANCH

0.03 MI N OF ARMOR DRIVE, Prince George's, MD

Built 1974 Load: 68.5 t ADT: 357

CROUSE MILL ROAD

Fair

Over: TUCKAHOE CREEK

0.9 MI E. OF MD 481, Queen Anne's, MD

Built 1993 Load: 68.5 t ADT: 577

MD 352

Fair

Over: GREEN HILL CREEK

3.82 MILES WEST OF MD 349, Wicomico, MD

Built 1931 Load: 68.5 t ADT: 1,452

US 220

Fair

Over: MILL RUN

0.9 MILE SOUTH OF MD 830B, Allegany, MD

Built 1900 Load: 68.9 t ADT: 7,111

MD 295 NBR

Fair

Over: PATAPSCO RIVER

ON BALT CO LINE, Anne Arundel, MD

Built 1949 Load: 68.9 t ADT: 80,822

MD 295 SBR

Fair

Over: PATAPSCO RIVER

ON BALT CO LINE, Anne Arundel, MD

Built 1949 Load: 68.9 t ADT: 80,822

CORBETT ROAD

Fair

Over: GUNPOWDER FALLS

1.0 MI NW OF CARROLL ROAD, Baltimore, MD

Built 1945 Load: 68.9 t ADT: 1,149

US 40

Fair

Over: LITTLE CATOCTIN CREEK

0.2 M E OF HARMONY ROAD, Frederick, MD

Built 1936 Load: 68.9 t ADT: 5,522

DAYSVILLE ROAD

Fair

Over: ISRAEL CREEK

0.5 MI E OF MD RTE 194, Frederick, MD

Built 1990 Load: 68.9 t ADT: 1,392

CRUM ROAD

Fair

Over: ISRAEL CREEK

0.5 MI S OF WALKERSVILLE, Frederick, MD

Built 1994 Load: 68.9 t ADT: 3,121

MD 144A

Fair

Over: BR OF MIDDLE PATUXENT RI

1.5 MILES WEST OF US 32, Howard, MD

Built 1982 Load: 68.9 t ADT: 3,451

COLEMAN ROAD

Fair

Over: RED LION BRANCH

0.3 MI. NE OF MD 290, Queen Anne's, MD

Built 1994 Load: 68.9 t ADT: 120

MD 410

Fair

Over: NORTHWEST BRANCH

0.68 MILE EAST OF MD 212, Prince George's, MD

Built 1955 Load: 69.4 t ADT: 24,602

TOWN CREEK ROAD

Fair

Over: FLINTSTONE CREEK

0.02 MI S OF MD 144, Allegany, MD

Built 1992 Load: 69.8 t ADT: 310

FRANKFURST AVE

Fair

Over: STREAM

Milepost M7.8, Baltimore city, MD

Built 1957 Load: 69.8 t ADT: 50,800

US 15

Fair

Over: MARYLAND MIDLAND RR

0.26 MILE SOUTH OF MD 550, Frederick, MD

Built 1957 Load: 69.8 t ADT: 28,321

UNDERWOOD ROAD

Fair

Over: YOUGHIOGHENY RIVER

0.5 M NW INT UNDERWOOD RD, Garrett, MD

Built 1965 Load: 69.8 t ADT: 1,138

IS 95 SB

Fair

Over: LITTLE PAINT BRANCH

0.23 MILE NORTH OF MD 212, Prince George's, MD

Built 1971 Load: 69.8 t ADT: 183,230

MD 838 WYE ISLAND

Fair

Over: WYE NARROWS

WYE ISLAND, Queen Anne's, MD

Built 1990 Load: 69.8 t ADT: 108

MD 45

Fair

Over: NCR TRAIL

0.12 MI N OF FREDERICK RD, Baltimore, MD

Built 1930 Load: 70.3 t ADT: 5,350

STAFFORD ROAD

Fair

Over: ROCK RUN

0.1 MI NW OF ROCK RUN RD, Harford, MD

Built 1991 Load: 70.3 t ADT: 287

IS 595 EB

Fair

Over: FOLLY BRANCH

1.11 MILES WEST OF MD 193, Prince George's, MD

Built 1955 Load: 70.3 t ADT: 113,590

LONGNECKER ROAD

Fair

Over: SLADE RUN

0.74 MI N OF MD 128, Baltimore, MD

Built 1920 Load: 70.7 t ADT: 315

JOHN HYDE ROAD

Fair

Over: TURKEYFOOT RUN

0.04 MI N OF SMITH RD, Carroll, MD

Built 1978 Load: 70.7 t ADT: 362

MD 32 WB

Fair

Over: LITTLE PATUXENT RIVER

0.23 M S OF SHAKER DRIVE, Howard, MD

Built 1981 Load: 70.7 t ADT: 81,712

LANGFORD ROAD

Fair

Over: MILL POND

0.01 MI W OF BRICES MILL, Kent, MD

Built 1989 Load: 70.7 t ADT: 265

Showing 3,351-3,400 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.