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

MD 404

Good

Over: BRANCH OF TUCKAHOE CREEK

0.6 M E OF MD 312, Caroline, MD

Built 2017 Load: 40.2 t ADT: 19,600

FIRETOWER ROAD

Good

Over: BASIN RUN

0.19 MI S OF WAYNE ST, Cecil, MD

Built 2012 Load: 40.2 t ADT: 1,219

MONOCACY BOULEVARD

Good

Over: MONOCACY RIVER

0.1 MI SOUTH OF GAS HOUSE, Frederick, MD

Built 2019 Load: 40.2 t ADT: 5,912

MD 36

Good

Over: GEORGES CREEK

1.70 MI N OF MD 935, Allegany, MD

Built 2010 Load: 40.4 t ADT: 7,706

MD 695 OL

Good

Over: AMTRAK

1.12 MILE NORTH OF MD 702, Baltimore, MD

Built 1972 Load: 40.4 t ADT: 74,892

OLD MIDDLETOWN RD

Good

Over: CONE BRANCH

0.25 MI SOUTH OF MD 17, Frederick, MD

Built 1974 Load: 40.4 t ADT: 966

KELBAUGH ROAD

Good

Over: OWENS CREEK

AT FRANKLINVILLE RD INT, Frederick, MD

Built 2001 Load: 40.4 t ADT: 533

MD 152

Good

Over: AMTRAK

2.20 MILES SOUTH OF US 40, Harford, MD

Built 1994 Load: 40.4 t ADT: 102

WHISKEY BOTTOM RD

Good

Over: CSX RR TRACKS

ANNE ARUNDEL COUNTY LINE, Howard, MD

Built 1943 Load: 40.4 t ADT: 10,475

MD 200 (ICC) WB

Good

Over: Shady Grove Road

4.86 MI W. OF MD 97, Montgomery, MD

Built 2010 Load: 40.4 t ADT: 30,827

MD 303

Good

Over: BR OF TUCKAHOE CREEK

0.12 M S OF MILL RIDGE RD, Talbot, MD

Built 2008 Load: 40.4 t ADT: 800

VERNON ROAD

Good

Over: SECOND MINE BRANCH

0.5 M NW WHITE HALL ROAD, Baltimore, MD

Built 2012 Load: 40.5 t ADT: 268

OWINGS MILLS BOULE

Good

Over: SCOTTS LEVEL BRANCH

2.5 MI. S. OF IS 795, Baltimore, MD

Built 2015 Load: 40.5 t ADT: 7,431

MD 273

Good

Over: BIG ELK CREEK

2.14 MI W OF DELAWARE, Cecil, MD

Built 2020 Load: 40.5 t ADT: 8,500

MD 224

Good

Over: BR OF POTOMAC RIVER

1.62 MI S. OF MD 344, Charles, MD

Built 2019 Load: 40.5 t ADT: 325

TROYER ROAD

Good

Over: TRIB / LITTLE DEER CREEK

1.5 MILES NE OF MD 23, Harford, MD

Built 2023 Load: 40.5 t ADT: 335

IS 270 RAMP

Good

Over: UNNAMED TRIB TO SENECA C

1.0 Mile North of MD 124, Montgomery, MD

Built 2020 Load: 40.5 t

RIVER ROAD

Good

Over: C&O CANAL

0.1 miles from North Bran, Allegany, MD

Built 2015 Load: 40.8 t ADT: 100

CARRIG COURT

Good

Over: MAGOTHY BRANCH

1.5 MI W OF MD 2, Anne Arundel, MD

Built 2019 Load: 40.8 t ADT: 345

RUTLAND ROAD

Good

Over: NORTH RIVER

200 FT. FROM MD 450, Anne Arundel, MD

Built 2018 Load: 40.8 t ADT: 2,860

RACE ROAD

Good

Over: PINEY RUN

0.5 MI S OF HANOVER ROAD, Anne Arundel, MD

Built 2002 Load: 40.8 t ADT: 485

THORNTON MILL ROAD

Good

Over: TRIBUTARY TO WESTERN RUN

0.4 MI S OF QUAKER BOTTOM, Baltimore, MD

Built 2010 Load: 40.8 t ADT: 300

PINEY HILL ROAD

Good

Over: TRIBUTARY TO GUNPOWDER F

0.4 MI S OF MONKTON ROAD, Baltimore, MD

Built 2003 Load: 40.8 t ADT: 244

I-95 NORTHBOUND

Good

Over: I-695 STEMMERS RUN

I695 IS95 Interchange, Baltimore, MD

Built 2008 Load: 40.8 t ADT: 52,628

I-895 NB

Good

Over: HERRING RUN

Milepost M13.72, Baltimore city, MD

Built 1957 Load: 40.8 t ADT: 35,344

MD 313

Good

Over: MASON'S BRANCH

ON QUEEN ANNES CO LINE, Caroline, MD

Built 2007 Load: 40.8 t ADT: 2,530

MD 30

Good

Over: TRIB TO EAST BRANCH

1.21 M N OF MD 482, Carroll, MD

Built 2007 Load: 40.8 t ADT: 9,450

MURKLE ROAD

Good

Over: BIG PIPE CREEK

0.41 MILES SOUTH OF MD 97, Carroll, MD

Built 2005 Load: 40.8 t ADT: 377

COLORA ROAD

Good

Over: BASIN RUN

0.52 MI N OF RUSSELL RD, Cecil, MD

Built 2001 Load: 40.8 t ADT: 383

THEODORE ROAD

Good

Over: STONY RUN

0.55 MI W OF MD 274, Cecil, MD

Built 2006 Load: 40.8 t ADT: 2,510

LIBERTY GROVE ROAD

Good

Over: BASIN RUN

0.5 MI N OF DR. JACK RD., Cecil, MD

Built 1929 Load: 40.8 t ADT: 910

HEAPS ROAD

Good

Over: JANE CARRS RUN

0.7 MILES SW OF MD 136, Harford, MD

Built 1996 Load: 40.8 t ADT: 303

MD 28

Good

Over: BUCKHORN RUN

AT INTERSECTION OF MD 182, Montgomery, MD

Built 2001 Load: 40.8 t ADT: 21,671

MD 382

Good

Over: FULL MILL BRANCH

0.42 M S/WHITES LNDNG RD, Prince George's, MD

Built 1999 Load: 40.8 t ADT: 4,500

SPRING ROAD

Good

Over: STREAM

100 FT N. OF 54TH PLACE, Prince George's, MD

Built 1958 Load: 40.8 t ADT: 271

LANDIS ROAD

Good

Over: TRIB. OF LANDIS SPRING

JCT. LONDONTOWNE DR, Washington, MD

Built 2001 Load: 40.8 t ADT: 423

MD 354

Good

Over: ADKINS MILL POND

0.20 MI N OF MD 350, Wicomico, MD

Built 2002 Load: 40.8 t ADT: 1,842

MD 47

Good

Over: NORTH BRANCH

0.23 MI N OF MD 36, Allegany, MD

Built 2016 Load: 41.1 t ADT: 2,300

MARSHANE ROAD

Good

Over: TRIBUTARY TO NORRIS RUN

0.35 MI E OF NICODEMUS RD, Baltimore, MD

Built 2015 Load: 41.1 t ADT: 200

CHURCH ROAD

Good

Over: BLACK BRANCH

1.3 MI. S. OF MD 214, Prince George's, MD

Built 2022 Load: 41.1 t ADT: 10,100

MILFORD MILL ROAD

Good

Over: MTA, CSX RAILROAD

0.4 MI W OF MD RTE 140, Baltimore, MD

Built 1984 Load: 41.3 t ADT: 17,445

I95S TO I695E

Good

Over: I95/I695 INTERCHANGE

I-95/I-695 Interchange, Baltimore, MD

Built 2008 Load: 41.3 t ADT: 14,826

COLDSPRING LANE

Good

Over: MTA AND JONES FALLS

1.5 MI S NORTHERN PKWY, Baltimore city, MD

Built 1990 Load: 41.3 t ADT: 12,100

MD 231

Good

Over: GILBERT CREEK

1.06 MILES WEST OF MD 5, Charles, MD

Built 1930 Load: 41.3 t ADT: 2,592

LENHART ROAD

Good

Over: FISHING CREEK

0.25 M E OLD FREDERICK RD, Frederick, MD

Built 1982 Load: 41.3 t ADT: 56

MD 390

Good

Over: CSX TRANSPORTATION

0.45 MI N OF MD 410, Montgomery, MD

Built 1958 Load: 41.3 t ADT: 35,062

WHITES FERRY ROAD

Good

Over: BROAD RUN TRIBUTARY

0.3 MI E OF WASCHE ROAD, Montgomery, MD

Built 2014 Load: 41.3 t ADT: 1,907

MD 200 (ICC) EB

Good

Over: Gum Springs & Paint Bran

1.40 Mi East of MD650, Montgomery, MD

Built 2010 Load: 41.3 t ADT: 31,755

NASSAWANGO ROAD

Good

Over: NASSAWANGO CREEK

2.05 MI SW OF MD 12, Worcester, MD

Built 1998 Load: 41.3 t ADT: 900

GORE MILL ROAD

Good

Over: LITTLE FALLS

1.2 MI N MIDDLETOWN RD, Baltimore, MD

Built 2018 Load: 41.5 t ADT: 172

Showing 4,251-4,300 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.