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 132B

Fair

Over: AMTRAK

0.03 MILE SOUTH OF US 40, Harford, MD

Built 1943 Load: 33.6 t ADT: 3,563

BETHESDA CHURCH RO

Fair

Over: BENNETT CREEK

2.6 MILES SE OF MD 75, Montgomery, MD

Built 1990 Load: 33.6 t ADT: 4,242

MAPLE AVENUE

Fair

Over: SLIGO CREEK

0.5 MI N OF JCT SR 410, Montgomery, MD

Built 1930 Load: 33.6 t ADT: 6,024

MD 201

Fair

Over: CSX TRANS.

0.12 MILE NORTH OF MD 459, Prince George's, MD

Built 1953 Load: 33.6 t ADT: 32,080

GOOD LUCK ROAD

Fair

Over: BALD HILL BRANCH

0.09 MI E CIPRIANO RD, Prince George's, MD

Built 1963 Load: 33.6 t ADT: 13,471

SELLMAN ROAD

Fair

Over: LITTLE PAINT BRANCH

.5 MI W OF US RTE 1, Prince George's, MD

Built 1985 Load: 33.6 t ADT: 7,293

CHERRY LANE (EAST)

Fair

Over: CSX RAILROAD

0.66 MI W OF MD 197, Prince George's, MD

Built 1990 Load: 33.6 t ADT: 10,861

CHERRY LANE (WEST)

Fair

Over: CSX RAILROAD

0.66 MILES WEST OF MD 197, Prince George's, MD

Built 1979 Load: 33.6 t ADT: 10,860

MD 313

Fair

Over: UNICORN BRANCH

0.92 MILE NORTH OF MD 544, Queen Anne's, MD

Built 1924 Load: 33.6 t ADT: 1,970

MD 5

Fair

Over: ST MARYS RIVER

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

Built 1955 Load: 33.6 t ADT: 22,642

IS 81

Fair

Over: BR OF CONOCOCHEAGUE CREE

0.09 MILE NORTH OF US 11, Washington, MD

Built 1965 Load: 33.6 t ADT: 61,350

MD 346

Fair

Over: BURNT MILL BRANCH

0.73 MI W OF WORCESTER CO, Wicomico, MD

Built 1919 Load: 33.6 t ADT: 2,382

CAMDEN AVENUE

Fair

Over: TONY TANK LAKE

0.2 MI S OF KAY AVE, Wicomico, MD

Built 1955 Load: 33.6 t ADT: 8,796

KENSINGTON PARKWAY

Fair

Over: ROCK CREEK

0.2 MI S OF BEACH DRIVE, Montgomery, MD

Built 1910 Load: 33.7 t ADT: 3,633

IS 68

Fair

Over: WILLS CREEK, CSX RR, MUN

3 MI. SW. OF US 220, Allegany, MD

Built 1968 Load: 34.0 t ADT: 53,950

MD 3 BU

Fair

Over: SAWMILL CREEK

0.06 MILE NORTH OF MD 270, Anne Arundel, MD

Built 1980 Load: 34.0 t ADT: 17,610

MANTUA MILL ROAD

Fair

Over: WESTERN RUN

0.07 MI E OF MD 128, Baltimore, MD

Built 1986 Load: 34.0 t ADT: 450

OREMS ROAD

Fair

Over: MIDDLE RIVER

0.3 MI S. OF MARTIN BLVD., Baltimore, MD

Built 1980 Load: 34.0 t ADT: 5,165

DANVILLE ROAD, DAL

Fair

Over: TRIBUTARY TO REDHOUSE CR

1.0MI SW US1 AND I-695, Baltimore, MD

Built 1948 Load: 34.0 t ADT: 12,981

IS 95 RAMP A

Fair

Over: CSX

MILEPOST 60.0, Baltimore city, MD

Built 1973 Load: 34.0 t ADT: 6,464

MD 404

Fair

Over: CHOPTANK RIVER

0.29 MILE EAST OF MD 328, Caroline, MD

Built 1983 Load: 34.0 t ADT: 20,471

MD 852

Fair

Over: LITTLE PIPE CREEK

0.04 M W OF ADAMS MILL RD, Carroll, MD

Built 1900 Load: 34.0 t ADT: 400

BARTHOLOW ROAD

Fair

Over: LITTLE MORGAN RUN

1.73 MILES N OF MD 32, Carroll, MD

Built 1968 Load: 34.0 t ADT: 4,061

MD 7D

Fair

Over: BIG ELK CREEK

0.12 MILE EAST OF MD 281, Cecil, MD

Built 1932 Load: 34.0 t ADT: 7,988

MD 85

Fair

Over: ROCKY FOUNTAIN RUN

0.03 MILE NORTH OF MD 880, Frederick, MD

Built 1929 Load: 34.0 t ADT: 6,713

IS 270

Fair

Over: CSX TRANSPORTATION

1.0 MILE SOUTH OF MD 85, Frederick, MD

Built 1950 Load: 34.0 t ADT: 80,340

FALLING BRANCH RD

Fair

Over: FALLING BRANCH

0.7 MI NE OF RED BRIDGE R, Harford, MD

Built 1973 Load: 34.0 t ADT: 25

MD 28

Fair

Over: LITTLE MONOCACY RIVER

1.86 MILES E OF FRED CO, Montgomery, MD

Built 1925 Load: 34.0 t ADT: 5,050

MD 4 WB

Fair

Over: RACE TRACK RD

0.37 MILE SOUTH OF MD 717, Prince George's, MD

Built 1960 Load: 34.0 t ADT: 46,652

ROBLEE DRIVE

Fair

Over: BACK BRANCH

1.0 MILE NORTH OF MD 4, Prince George's, MD

Built 1968 Load: 34.0 t ADT: 3,200

MD 300

Fair

Over: RED LION BRANCH

0.09 MILE WEST OF MD 290, Queen Anne's, MD

Built 1920 Load: 34.0 t ADT: 2,391

US 13 NB

Fair

Over: MANOKIN RIVER

0.05 MILE NORTH OF MD 363, Somerset, MD

Built 1958 Load: 34.0 t ADT: 22,370

PECTONVILLE ROAD

Fair

Over: LICKING CREEK

1.25 MI N OF US RTE 40, Washington, MD

Built 1982 Load: 34.0 t ADT: 475

IS 695 RAMP 'G'

Fair

Over: MTA LIGHT RAIL

0.04 MI N OF MD 170, Anne Arundel, MD

Built 1967 Load: 34.5 t ADT: 2,874

EMPLOYEE PARKING L

Fair

Over: LEVEL 3 EXIT RAMP FROM H

BWI EMPLOYEE PARK LOT, Anne Arundel, MD

Built 1991 Load: 34.5 t ADT: 221

MD 30

Fair

Over: MARYLAND MIDLAND RR

0.62 MILE NORTH OF MD 795, Baltimore, MD

Built 1936 Load: 34.5 t ADT: 18,070

IS 695 & RAMPS '4

Fair

Over: DEAD RUN

0.19 M N OF CROSBY ROAD, Baltimore, MD

Built 1961 Load: 34.5 t ADT: 188,860

WOODLAWN DRIVE

Fair

Over: DEAD RUN

0.87 MI N OF IS 70, Baltimore, MD

Built 1960 Load: 34.5 t ADT: 18,500

TOM DAY BOULEVARD

Fair

Over: EAST BRANCH HERBERT RUN

0.02 MI W OF US 1, Baltimore, MD

Built 1960 Load: 34.5 t ADT: 3,484

NORTHERN PKWY RAMP

Fair

Over: I-83

WB RAMP FROM N PKWY, Baltimore city, MD

Built 1959 Load: 34.5 t ADT: 5,350

PENNINGTON AVENUE

Fair

Over: CABIN BRANCH

1.5 MI S PATAPSCO AVE, Baltimore city, MD

Built 1986 Load: 34.5 t ADT: 13,500

TRACEYS MILL ROAD

Fair

Over: SOUTH BR GUNPOWDER FALLS

0.44 MI, Carroll, MD

Built 1978 Load: 34.5 t ADT: 1,104

MD 222

Fair

Over: CSX TRANS.

0.32 MILE NORTH OF US 40, Cecil, MD

Built 1990 Load: 34.5 t ADT: 13,680

MD 75

Fair

Over: FAHRNEY BRANCH

0.43 MILE SOUTH OF MD 80, Frederick, MD

Built 1933 Load: 34.5 t ADT: 7,952

ROCK RUN ROAD

Fair

Over: ROCK RUN

0.01 MI E OF WILKINSON RD, Harford, MD

Built 1955 Load: 34.5 t ADT: 154

MD 410

Fair

Over: CSXT, WMATA

0.09 MILE EAST OF US 29, Montgomery, MD

Built 1975 Load: 34.5 t ADT: 14,001

MD 5

Fair

Over: GLEBE RUN

0.11 MILE SOUTH OF MD 4, St. Mary's, MD

Built 1955 Load: 34.5 t ADT: 12,500

MD 5

Fair

Over: CHURCH CREEK

2.4 MILES SOUTH OF MD 584, St. Mary's, MD

Built 1936 Load: 34.5 t ADT: 4,400

ROCK HILL ROAD

Fair

Over: UNNAMED STREAM

0.22 MI SW OF IS 70+MD 63, Washington, MD

Built 1920 Load: 34.5 t ADT: 778

MD 90

Fair

Over: NORFOLK SOUTHERN RR

2.19 MILES EAST OF MD 346, Worcester, MD

Built 1976 Load: 34.5 t ADT: 8,118

Showing 2,001-2,050 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.