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

GREEN MILL ROAD

Fair

Over: BEAVER RUN

1.02 MILES SW OF MD 140, Carroll, MD

Built 1976 Load: 53.5 t ADT: 1,291

MD 75

Fair

Over: BENNETT CREEK

1.62 MILES N OF MD 355, Frederick, MD

Built 1974 Load: 53.5 t ADT: 7,952

IS 70 WB

Fair

Over: TRANS CONT PIPE LINE

0.35 MILE EAST OF US 40, Howard, MD

Built 1968 Load: 53.5 t ADT: 67,990

STILL POND CREEK R

Fair

Over: STILL POND CREEK

0.01MI S BESSICKS CRNR RD, Kent, MD

Built 1988 Load: 53.5 t ADT: 282

MD 650

Fair

Over: SLIGO CREEK

0.43 MILE NORTH OF MD 410, Montgomery, MD

Built 1935 Load: 53.5 t ADT: 33,100

MD 185

Fair

Over: ROCK CREEK

0.13 MILE NORTH OF IS 495, Montgomery, MD

Built 1957 Load: 53.5 t ADT: 44,232

IS 95 RAMP D(2)

Fair

Over: BR OF SOUTHWEST BR

0.05 MILE NORTH OF MD 214, Prince George's, MD

Built 1964 Load: 53.5 t ADT: 6,658

BW PARKWAY (NBL)

Fair

Over: MD ROUTE 197 (WBL)

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

Built 2001 Load: 53.5 t ADT: 88,000

MD 244

Fair

Over: POPLAR HILL CREEK

0.16 M W OF TOWER HILL RD, St. Mary's, MD

Built 1938 Load: 53.5 t ADT: 2,517

MD 237

Fair

Over: JARBOESVILLE RUN

0.53 MILE NORTH OF MD 246, St. Mary's, MD

Built 2009 Load: 53.5 t ADT: 17,352

US 11

Fair

Over: POTOMAC RIVER, CSX TRANS

ON WEST VIRGINIA ST LINE, Washington, MD

Built 1909 Load: 53.5 t ADT: 6,761

DEEP BRANCH RD

Fair

Over: TYASKIN CREEK

0.3 MI E WETIPQUIN RD, Wicomico, MD

Built 1997 Load: 53.5 t ADT: 602

WOODCOCK HOLLOW RD

Fair

Over: JENNINGS RUN

0.03 MI S OF MD 36, Allegany, MD

Built 1973 Load: 54.0 t ADT: 88

MD 2 RAMP '8'

Fair

Over: BOULTERS WAY

1.38 MI E OF MD 783, Anne Arundel, MD

Built 1953 Load: 54.0 t ADT: 20,393

MD 173

Fair

Over: ROCK CREEK

0.68 MILE NORTH OF MD 607, Anne Arundel, MD

Built 1932 Load: 54.0 t ADT: 9,150

US 40

Fair

Over: REDHOUSE CREEK

0.65 MI E OF MD 7, Baltimore, MD

Built 1935 Load: 54.0 t ADT: 37,450

IS 795 SBR

Fair

Over: GWYNNS FALLS

0.32 MILE NORTH OF IS 695, Baltimore, MD

Built 1984 Load: 54.0 t ADT: 110,982

ESSEX ROAD

Fair

Over: GWYNNS FALLS

0.1 MI N LIBERTY RD, Baltimore, MD

Built 1963 Load: 54.0 t ADT: 7,029

LONGNECKER ROAD

Fair

Over: TRIBUTARY TO SLADE RUN

0.56 MI ON LONGNECKER RD, Baltimore, MD

Built 1920 Load: 54.0 t ADT: 325

ECHODALE AVENUE

Fair

Over: HERRING RUN

0.2 MI E PERRING PKWY, Baltimore city, MD

Built 1940 Load: 54.0 t ADT: 47,118

MD 26

Fair

Over: LIBERTY RESERVOIR

1.04 M W OF BALTO CO LINE, Carroll, MD

Built 1954 Load: 54.0 t ADT: 20,192

US 40

Fair

Over: Little Patuxent River

0.49 M W OF DOGWOOD DRIVE, Howard, MD

Built 1939 Load: 54.0 t ADT: 50,111

HIPSLEY MILL ROAD

Fair

Over: PATUXENT RIVER

1.8 MILES NORTH OF MD 650, Montgomery, MD

Built 1973 Load: 54.0 t ADT: 675

Briggs Chaney Road

Fair

Over: MD 200 (ICC)

0.75 MI E OF US 29, Montgomery, MD

Built 2011 Load: 54.0 t ADT: 18,193

MD 410

Fair

Over: NORTHEAST BRANCH

0.29 MILE WEST OF MD 201, Prince George's, MD

Built 1967 Load: 54.0 t ADT: 37,792

PROPHET ACRES ROAD

Fair

Over: TRIBUTARY OF MARSH RUN

0.01 MI NORTH OF RT 63, Washington, MD

Built 2005 Load: 54.0 t ADT: 84

MD 353

Fair

Over: BURNT MILL BRANCH

1.90 MILES N OF MD 346, Wicomico, MD

Built 1934 Load: 54.0 t ADT: 4,162

MD 36

Fair

Over: GEORGES CREEK

1.2 MI N OF MD 657, Allegany, MD

Built 2005 Load: 54.4 t ADT: 7,706

MD 43

Fair

Over: CSX TRANSPORTATION

0.08 MILE WEST OF US 40, Baltimore, MD

Built 1963 Load: 54.4 t ADT: 24,493

GREENSPRING AVENUE

Fair

Over: JONES FALLS

0.1 MI N HILLSIDE RD, Baltimore, MD

Built 1975 Load: 54.4 t ADT: 5,142

SUDBROOK LANE

Fair

Over: CSX RAILROAD

0.6 MI S REISTERSTOWN RD, Baltimore, MD

Built 1907 Load: 54.4 t ADT: 2,972

RED RUN BOULEVARD

Fair

Over: RED RUN

0.64 MI E OF MD 940, Baltimore, MD

Built 1985 Load: 54.4 t ADT: 18,272

I-83 SB RAMP E

Fair

Over: CENTRE STREET

SB JFX OFF-RAMP OV CENTRE, Baltimore city, MD

Built 1976 Load: 54.4 t ADT: 3,699

HILTON PARKWAY

Fair

Over: GWYNNS FALLS & FRANKLIN

0.6 MI N EDMONDSON AVE, Baltimore city, MD

Built 1938 Load: 54.4 t ADT: 10,664

LOCHLEA ROAD

Fair

Over: WESTERN RUN

INTER WITH SMITH AVE, Baltimore city, MD

Built 1964 Load: 54.4 t ADT: 634

MCCOMAS STREET

Fair

Over: CSX

0.6 M. E. OF HANOVER ST, Baltimore city, MD

Built 1981 Load: 54.4 t ADT: 1,979

IS 95 SB

Fair

Over: CSX RR YARD & BERNARD DR

Milepost M51.0, Baltimore city, MD

Built 1976 Load: 54.4 t ADT: 108,194

INDIANTOWN ROAD

Fair

Over: CHICONE CREEK

1 MI NE OF MD 331, Dorchester, MD

Built 1993 Load: 54.4 t ADT: 303

TIMMONS ROAD

Fair

Over: LINGANORE CREEK

AT GLISSANS MILL RD INT, Frederick, MD

Built 1974 Load: 54.4 t ADT: 276

MD 715 EB

Fair

Over: AMTRAK

0.51 MILE EAST OF US 40, Harford, MD

Built 1943 Load: 54.4 t ADT: 8,627

MD 715 WB

Fair

Over: AMTRAK

0.51 MILE EAST OF US 40, Harford, MD

Built 1943 Load: 54.4 t ADT: 8,626

MD 175

Fair

Over: CSX RR

ON ANNE ARUNDEL CO LINE, Howard, MD

Built 1942 Load: 54.4 t ADT: 19,272

MD 299

Fair

Over: SASSAFRAS RIVER

ON CECIL COUNTY LINE, Kent, MD

Built 1932 Load: 54.4 t ADT: 1,022

WOOTTON PARKWAY

Fair

Over: TRIB CABIN JOHN CREEK

1.1 MILES WEST OF MD 355, Montgomery, MD

Built 1991 Load: 54.4 t ADT: 22,236

NO. 10 SCHOOL ROAD

Fair

Over: ANDOVER BRANCH

0.5 MI FROM MD RTE 291, Queen Anne's, MD

Built 2006 Load: 54.4 t ADT: 169

US 13 SB

Fair

Over: NORFOLK SOUTHERN RR

0.40 MILE NORTH OF MD 364, Somerset, MD

Built 1965 Load: 54.4 t ADT: 16,470

US 40

Fair

Over: HAMILTON RUN

0.27 MILE EAST OF MD 64, Washington, MD

Built 1941 Load: 54.4 t ADT: 35,842

CORBETT ROAD

Fair

Over: TRIBUTARY TO GUNPOWDER F

0.60 MI E OF RAILROAD AVE, Baltimore, MD

Built 1926 Load: 54.9 t ADT: 400

PAINTERS MILL ROAD

Fair

Over: RED RUN

0.15 MI S OF I-795, Baltimore, MD

Built 1984 Load: 54.9 t ADT: 49,918

CRAFT ROAD

Fair

Over: HUNTING CREEK

1.2 MILES NORTH OF MD 331, Caroline, MD

Built 1996 Load: 54.9 t ADT: 630

Showing 3,001-3,050 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.