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

WALKER MILL ROAD

Fair

Over: SOUTHWEST BRANCH

0.18 MI W OF RITCHIE ROAD, Prince George's, MD

Built 1969 Load: 40.4 t ADT: 30,734

CROOM STATION ROAD

Fair

Over: CHARLES BRANCH

1.1 MILES SOUTH OF US 301, Prince George's, MD

Built 1950 Load: 40.4 t ADT: 5,634

US 13 SB

Fair

Over: MANOKIN RIVER

0.05 MILE NORTH OF MD 363, Somerset, MD

Built 1964 Load: 40.4 t ADT: 22,370

MD 667

Fair

Over: REHOBETH BRANCH

4.96 MILES WEST OF US 13, Somerset, MD

Built 1976 Load: 40.4 t ADT: 2,999

IS 70 EB

Fair

Over: ANTIETAM CREEK

0.57 MILE WEST OF US 40AL, Washington, MD

Built 1968 Load: 40.4 t ADT: 62,740

IS 70 WB

Fair

Over: ANTIETAM CREEK

0.57 MILE WEST OF US 40AL, Washington, MD

Built 1968 Load: 40.4 t ADT: 62,740

US 40

Fair

Over: ANTIETAM CREEK

AT EASTERN BOULEVARD, Washington, MD

Built 1966 Load: 40.4 t ADT: 20,819

BURHANS BOULEVARD

Fair

Over: NORFOLK SOUTHERN RAILROA

0.68 MI N OF VIRGINIA AVE, Washington, MD

Built 1962 Load: 40.4 t ADT: 11,223

MD 374

Fair

Over: LIBERTYTOWN BR

4.01 M E OF WICOMICO CO, Worcester, MD

Built 1931 Load: 40.4 t ADT: 1,030

MD 313

Fair

Over: CHESTER RIVER

ON KENT CO LINE, Queen Anne's, MD

Built 1961 Load: 40.5 t ADT: 1,964

MD 758

Fair

Over: TRIB TO STONY RUN

WEST OF 195, Anne Arundel, MD

Built 2005 Load: 40.8 t ADT: 700

MD 45

Fair

Over: FOURTH MINE BRANCH

0.14 M N OF BR NO 0304600, Baltimore, MD

Built 1930 Load: 40.8 t ADT: 5,340

JEROME JAY DRIVE

Fair

Over: BEAVERDAM RUN, BAISMAN R

0.3 MI SE OF IVY HILL RD, Baltimore, MD

Built 1988 Load: 40.8 t ADT: 700

I-83 RAMP C

Fair

Over: GUILFORD AVE

0.4 MI N OF MADISON ST, Baltimore city, MD

Built 1976 Load: 40.8 t ADT: 7,014

IS 95 VIADUCT NB

Fair

Over: CONRAIL YARDS

Milepost M56.7, Baltimore city, MD

Built 1982 Load: 40.8 t ADT: 60,485

MD 2 NB

Fair

Over: HUNTING CREEK

.086 MILE NORTH OF MD 263, Calvert, MD

Built 1969 Load: 40.8 t ADT: 18,785

ADAMS MILL ROAD

Fair

Over: LITTLE PIPE CREEK

.03 MI E OF ROOPS MILL RD, Carroll, MD

Built 1974 Load: 40.8 t ADT: 75

MD 5 NB

Fair

Over: ZEKIAH SWAMP

0.44 MILE SOUTH OF MD 488, Charles, MD

Built 1966 Load: 40.8 t ADT: 37,490

MD 5 NB

Fair

Over: ZEKIAH SWAMP

0.54 MILE SOUTH OF MD 488, Charles, MD

Built 1966 Load: 40.8 t ADT: 37,490

MD 16

Fair

Over: SLAUGHTER CREEK

AT TAYLOR'S ISLAND, Dorchester, MD

Built 1998 Load: 40.8 t ADT: 652

PLEASANT VIEW RD

Fair

Over: TUSCARORA CREEK

1.14 MI N OF MD RTE 28, Frederick, MD

Built 1982 Load: 40.8 t ADT: 191

UNDERWOOD ROAD

Fair

Over: CHERRY CREEK

0.5 MI N OF MANSFIELD RD, Garrett, MD

Built 1998 Load: 40.8 t ADT: 1,185

US 40

Fair

Over: OTTER POINT CREEK

0.10 MILE EAST OF MD 24, Harford, MD

Built 1935 Load: 40.8 t ADT: 21,093

MD 24 SBR

Fair

Over: CSX TRANS.

0.3 MILE SOUTH OF MD 7, Harford, MD

Built 1970 Load: 40.8 t ADT: 20,242

MD 24

Fair

Over: TRIB. TO OTTER POINT CRE

0.13 MILE NORTH OF MD 755, Harford, MD

Built 1969 Load: 40.8 t ADT: 24,240

MD 103

Fair

Over: DEEP RUN

0.89 MILE SOUTH OF US 1, Howard, MD

Built 1937 Load: 40.8 t ADT: 8,191

GLEN MILL ROAD

Fair

Over: PINEY BRANCH

0.6 MI N OF GLEN RD., Montgomery, MD

Built 1960 Load: 40.8 t ADT: 4,190

MOUTH OF MONOCACY

Fair

Over: CSXT RAILROAD

0.9 MILES WEST OF MD 28, Montgomery, MD

Built 2007 Load: 40.8 t ADT: 300

RIFFLE FORD ROAD

Fair

Over: GREAT SENECA CREEK

1.8 MILES EAST OF MD 118, Montgomery, MD

Built 1952 Load: 40.8 t ADT: 4,131

BW PARKWAY (SBL)

Fair

Over: MD ROUTE 197 (WBL)

1.9 MILES NORTH OF MD ROU, Prince George's, MD

Built 2001 Load: 40.8 t ADT: 88,000

US 13

Fair

Over: PASSERDYKE CREEK

ON WICOMICO CO LINE, Somerset, MD

Built 1900 Load: 40.8 t ADT: 27,695

MD 822

Fair

Over: LORETTO BRANCH

0.6 MILE EAST OF US 13, Somerset, MD

Built 2002 Load: 40.8 t ADT: 2,000

FRENCHTOWN ROAD

Fair

Over: GOOSE CREEK

1.2 MI SE OF RUMBLEY, Somerset, MD

Built 1983 Load: 40.8 t ADT: 64

US 40 ALT

Fair

Over: ANTIETAM CREEK

0.42 M E OF KENLY AVENUE, Washington, MD

Built 1823 Load: 40.8 t ADT: 6,082

MD 494

Fair

Over: CONOCOCHEAGUE CREEK

2.77 MILES EAST OF MD 57, Washington, MD

Built 1932 Load: 40.8 t ADT: 1,494

BEAVER CREEK CHURC

Fair

Over: BEAVER CREEK

0.5 MI W OF MD 66,IS 70IN, Washington, MD

Built 1930 Load: 40.8 t ADT: 168

MD 350

Fair

Over: NASSAWANGO CREEK

4.53 MILES WEST OF MD 354, Wicomico, MD

Built 1931 Load: 40.8 t ADT: 1,910

MARKET STREET

Fair

Over: WILLS CREEK

0.03 MI S OF N MECHANC ST, Allegany, MD

Built 1954 Load: 41.3 t ADT: 3,692

ADMIRAL DRIVE

Fair

Over: TRIBUTARY TO WEEMS CREEK

80 FT N OF JENNIFER ROAD, Anne Arundel, MD

Built 1980 Load: 41.3 t ADT: 8,862

GLEN FALLS ROAD

Fair

Over: TRIBUTARY TO NORTH BRANC

ON CARROLL COUNTY LINE, Baltimore, MD

Built 2008 Load: 41.3 t ADT: 214

I-895 NB ON RAMP

Fair

Over: FRANKFURST AVE

Milepost M8.0, Baltimore city, MD

Built 1957 Load: 41.3 t ADT: 2,452

MD 263

Fair

Over: HUNTING CREEK

0.04 MILE EAST OF MD 2, Calvert, MD

Built 1926 Load: 41.3 t ADT: 7,412

MD 4 SB

Fair

Over: LYONS CREEK

ON ANNE ARUNDEL CO LINE, Calvert, MD

Built 1959 Load: 41.3 t ADT: 46,661

MD 335

Fair

Over: BIRCH DAM CREEK

1.54 MILES SOUTH OF MD 16, Dorchester, MD

Built 1968 Load: 41.3 t ADT: 1,591

MD 17

Fair

Over: LITTLE CATOCTIN CREEK

0.03 MI N OF HARMONY RD, Frederick, MD

Built 1920 Load: 41.3 t ADT: 3,046

LINGANORE ROAD

Fair

Over: LINGANORE CREEK

0.87 MI N OF MD 144, Frederick, MD

Built 1976 Load: 41.3 t ADT: 2,702

UNIONVILLE ROAD

Fair

Over: TRIB. OF LINGANORE CREEK

AT WOODVILLE RD INT, Frederick, MD

Built 1929 Load: 41.3 t ADT: 1,309

SILVER KNOB ROAD

Fair

Over: YOUGHIOGHENY RIVER

0.1 M SE INT UNDERWOOD RD, Garrett, MD

Built 1984 Load: 41.3 t ADT: 324

STATE PARK RD

Fair

Over: MEADOW MT RUN

0.8 MI E INT GLENDALE RD, Garrett, MD

Built 1984 Load: 41.3 t ADT: 655

MD 22

Fair

Over: AMTRAK, TRIB TO SWAN CR

0.06 MILE EAST OF US 40, Harford, MD

Built 1968 Load: 41.3 t ADT: 22,420

Showing 2,401-2,450 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.