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

RUSSELL STREET

Fair

Over: MONROE STREET

RUSSELL ST VIA OV MONROE, Baltimore city, MD

Built 2007 Load: 30.8 t ADT: 13,000

MD 313

Fair

Over: FAULKNER BRANCH

1.2 MILE NORTH OF MD 315, Caroline, MD

Built 1955 Load: 30.8 t ADT: 5,080

MD 84

Fair

Over: ROOP BRANCH

.29 MILE NORTH OF MD 800B, Carroll, MD

Built 1948 Load: 30.8 t ADT: 1,702

MD 16

Fair

Over: CABIN CREEK

1.84 MILE SOUTH OF MD 331, Dorchester, MD

Built 1944 Load: 30.8 t ADT: 1,861

MD 180

Fair

Over: BALLENGER CREEK

1.74 MILES WEST OF IS 70, Frederick, MD

Built 1925 Load: 30.8 t ADT: 3,850

MD 550

Fair

Over: MONOCACY RIVER

2.68 MILES N OF MD 194, Frederick, MD

Built 1967 Load: 30.8 t ADT: 3,691

BUFFALO RUN ROAD

Fair

Over: BUFFALO RUN

1.33 MI E OF MD RTE 42, Garrett, MD

Built 1982 Load: 30.8 t ADT: 40

US 40

Fair

Over: SWAN CREEK

0.26 MILE WEST OF MD 132B, Harford, MD

Built 1935 Load: 30.8 t ADT: 27,800

CEDAR LANE

Fair

Over: TRIB / BYNUM RUN

0.8 MILES W OF MD 136, Harford, MD

Built 1971 Load: 30.8 t ADT: 125

MARYLAND AVENUE

Fair

Over: TIBER BRANCH

AT MAIN STREET, Howard, MD

Built 1955 Load: 30.8 t ADT: 6,000

MD 97

Fair

Over: HAWLINGS RIVER

0.88 MILE SOUTH OF MD 650, Montgomery, MD

Built 1930 Load: 30.8 t ADT: 10,740

CAMPUS DR

Fair

Over: DEEP CREEK

0.04 MI W OF MD 201, Prince George's, MD

Built 1964 Load: 30.8 t ADT: 22,650

MD 675

Fair

Over: MANOKIN RIVER

0.08 MILE NORTH OF MD 918, Somerset, MD

Built 1921 Load: 30.8 t ADT: 7,131

GOSSARD MILL ROAD

Fair

Over: ROCKDALE RUN

0.8 MI SE OF MD 494, Washington, MD

Built 1977 Load: 30.8 t ADT: 330

MD 12

Fair

Over: SPRING HILL BRANCH

0.61 MILE SOUTH OF MD 12A, Worcester, MD

Built 1954 Load: 30.8 t ADT: 2,560

DUNG HILL ROAD

Fair

Over: NORTH BRANCH CASSELMAN R

0.7 MI. WEST MD. RTE 495, Garrett, MD

Built 1956 Load: 31.1 t ADT: 676

MD 25

Fair

Over: JONES FALLS

0.20 MILE SOUTH OF IS 83, Baltimore, MD

Built 1930 Load: 31.3 t ADT: 10,911

MD 702 EBR

Fair

Over: NORTHEAST CREEK

0.10 MILE WEST OF MD 695, Baltimore, MD

Built 1972 Load: 31.3 t ADT: 18,645

THORNTON ROAD

Fair

Over: TRIBUTARY TO ROLAND RUN

0.6 MI N OF JOPPA RD, Baltimore, MD

Built 1923 Load: 31.3 t ADT: 8,249

HUNTER MILL ROAD

Fair

Over: TRIBUTARY TO FIRST MINE

100 FT W OF VERNON ROAD, Baltimore, MD

Built 1988 Load: 31.3 t ADT: 325

STRINGTOWN ROAD

Fair

Over: BLACKROCK RUN

0.2 MI E OF FALLS RD, Baltimore, MD

Built 1931 Load: 31.3 t ADT: 332

PENNINGTON AVENUE

Fair

Over: CURTIS CREEK

2 MI S PATAPSCO AVE, Baltimore city, MD

Built 1976 Load: 31.3 t ADT: 13,500

IS 95 RAMP D

Fair

Over: GWYNN FALLS , MIDDLE BR

0.3 MI E RUSSELL ST, Baltimore city, MD

Built 1977 Load: 31.3 t ADT: 15,504

MD 482

Fair

Over: EAST BRANCH PATAPSCO RIV

0.80 MI W OF HAMPSTEAD, Carroll, MD

Built 1936 Load: 31.3 t ADT: 8,212

FLICKINGER ROAD

Fair

Over: BIG PIPE CREEK

0.34 MI N OF STONE RD, Carroll, MD

Built 1940 Load: 31.3 t ADT: 180

MD 277

Fair

Over: BIG ELK CREEK

0.47 MILE WEST OF MD 316, Cecil, MD

Built 1969 Load: 31.3 t ADT: 3,150

MD 272 NB

Fair

Over: BR OF NORTHEAST CREEK

0.41 MILE SOUTH OF MD 7C, Cecil, MD

Built 1968 Load: 31.3 t ADT: 8,302

MD 28

Fair

Over: MONOCACY RIVER

0.98 MI W OF MONT CO, Frederick, MD

Built 1931 Load: 31.3 t ADT: 9,175

BIGGS FORD ROAD

Fair

Over: MONOCACY RIVER

0.55 MI E OF US RTE 15, Frederick, MD

Built 1970 Load: 31.3 t ADT: 6,393

US 40 ALT

Fair

Over: BIG SHADE RUN

0.62 MILE WEST OF MD 669, Garrett, MD

Built 1932 Load: 31.3 t ADT: 1,783

MD 543

Fair

Over: BR OF BYNUM RUN

0.3 MILE NORTH OF MD 136, Harford, MD

Built 1936 Load: 31.3 t ADT: 14,221

QUAKER BOTTOM ROAD

Fair

Over: ROCK RUN

0.01 MIL S OF ROCK RUN RD, Harford, MD

Built 1982 Load: 31.3 t ADT: 220

MD 291

Fair

Over: MORGAN CREEK

1.83 MILES EAST OF MD 213, Kent, MD

Built 1933 Load: 31.3 t ADT: 6,235

SUITLAND ROAD

Fair

Over: HENSON CREEK

.10 MI S OF SUITLAND PKWY, Prince George's, MD

Built 1971 Load: 31.3 t ADT: 15,302

MD 213

Fair

Over: THREE BRIDGES BRANCH

0.39 MILE NORTH OF MD 305, Queen Anne's, MD

Built 1909 Load: 31.3 t ADT: 6,761

MD 5

Fair

Over: MCINTOSH RUN

0.14 MILE SOUTH OF MD 243, St. Mary's, MD

Built 1935 Load: 31.3 t ADT: 22,220

US 40 ALT

Fair

Over: BRADDOCK RUN

0.02 MI W OF MD 55, Allegany, MD

Built 1947 Load: 31.7 t ADT: 9,951

MD 53

Fair

Over: WINCHESTER RUN

0.62 MILE NORTH OF MD 951, Allegany, MD

Built 1924 Load: 31.7 t ADT: 12,872

US 220

Fair

Over: TRIB TO NORTH BR POTOMAC

1.21 M N OF MD 830A, Allegany, MD

Built 1900 Load: 31.7 t ADT: 7,111

BLACK VALLEY ROAD

Fair

Over: FLINTSTONE CREEK

0.02 MI E OF DOLLY RD, Allegany, MD

Built 1964 Load: 31.7 t ADT: 499

MD 26

Fair

Over: BRANCH OF GWYNNS FALLS

0.48 MILE EAST OF IS 695, Baltimore, MD

Built 1965 Load: 31.7 t ADT: 46,342

LONG GREEN ROAD

Fair

Over: LONG GREEN CREEK

100 FT W LONG GREEN PIKE, Baltimore, MD

Built 1970 Load: 31.7 t ADT: 1,621

JOPPA ROAD

Fair

Over: ROLAND RUN

0.2 MI W OF BELLONA AVE, Baltimore, MD

Built 1970 Load: 31.7 t ADT: 5,886

IS 695 IL

Fair

Over: CURTIS CR, B&O RR

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

Built 1975 Load: 31.7 t ADT: 21,765

KNIFE BOX ROAD

Fair

Over: GAREY MILL POND BRANCH

2.0 MILES NORTH OF MD 317, Caroline, MD

Built 1996 Load: 31.7 t ADT: 1,065

MD 31

Fair

Over: SAMS CREEK

ON FREDERICK CO LINE, Carroll, MD

Built 1921 Load: 31.7 t ADT: 2,611

TREVANION ROAD

Fair

Over: BIG PIPE CREEK

2.05 MILES N OF MD 84, Carroll, MD

Built 1966 Load: 31.7 t ADT: 2,569

US 40 EB

Fair

Over: NORTHEAST CREEK

0.54 MILE EAST OF MD 272, Cecil, MD

Built 1939 Load: 31.7 t ADT: 14,917

US 40 WB

Fair

Over: NORTHEAST CREEK

0.54 MILE EAST OF MD 272, Cecil, MD

Built 1939 Load: 31.7 t ADT: 14,332

MD 224

Fair

Over: REEDER RUN

1.03 MILE NORTH OF MD 344, Charles, MD

Built 1928 Load: 31.7 t ADT: 1,192

Showing 1,601-1,650 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.