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

SUITLAND PARKWAY (

Fair

Over: HENSON CREEK

0.1 MILES EAST OF FORESTV, Prince George's, MD

Built 1996 Load: 37.2 t ADT: 19,550

MD 363

Fair

Over: DAMES QUARTER CREEK

0.01 M E OF MESSICK ROAD, Somerset, MD

Built 1976 Load: 37.2 t ADT: 2,308

FORT FREDERICK ACC

Fair

Over: C&O CANAL

0.3 miles from Fort Frede, Washington, MD

Built 1973 Load: 37.2 t ADT: 50

US 50 EB

Fair

Over: POCOMOKE RIVER

ON WORCESTER CO LINE, Wicomico, MD

Built 1964 Load: 37.2 t ADT: 24,122

US 50 WB

Fair

Over: POCOMOKE RIVER

ON WORCESTER CO LINE, Wicomico, MD

Built 1964 Load: 37.2 t ADT: 24,122

RICHARDSON ROAD

Fair

Over: BURNT MILL BRANCH

0.84 MI N OF MD 346, Wicomico, MD

Built 1974 Load: 37.2 t ADT: 974

MD 450

Fair

Over: BACON RIDGE BRANCH

0.89 MI E OF RUTLAND RD, Anne Arundel, MD

Built 2008 Load: 37.3 t ADT: 7,520

PALMER ROAD SOUTH

Fair

Over: E PALMER RD,STONEY CREEK

500M E OF WOOD RD, Montgomery, MD

Built 1981 Load: 37.3 t ADT: 2,750

US 220

Fair

Over: MILL RUN

.13 MILE NORTH OF MD 830B, Allegany, MD

Built 1950 Load: 37.6 t ADT: 7,111

HAMMONDS FERRY RD

Fair

Over: PATAPSCO RIVER

ON AA CO/ BALTO CO LINE, Anne Arundel, MD

Built 1961 Load: 37.6 t ADT: 8,800

MD 695 IL

Fair

Over: AMTRAK & BACK RIVER

0.75 MILE SOUTH OF MD 150, Baltimore, MD

Built 1968 Load: 37.6 t ADT: 49,829

I-895 NB

Fair

Over: AMTRAK

Milepost M2.0, Baltimore, MD

Built 1957 Load: 37.6 t ADT: 7,507

I 95 SB RAMP S

Fair

Over: TO KEITH AVENUE

EX 56 RAMP TO KEITH AVE, Baltimore city, MD

Built 1982 Load: 37.6 t ADT: 3,726

IS 895

Fair

Over: CANTON RR

MILE POINT 11.9, Baltimore city, MD

Built 1957 Load: 37.6 t ADT: 66,448

I-695 IL

Fair

Over: CSXT

0.18 MI N OF CHEMICAL RD, Baltimore city, MD

Built 1975 Load: 37.6 t ADT: 21,765

MAYBERRY ROAD

Fair

Over: BIG PIPE CREEK

0.06 MI N OF UNGER RD, Carroll, MD

Built 1987 Load: 37.6 t ADT: 762

OTTERDALE MILL ROA

Fair

Over: BIG PIPE CREEK

0.25 MI S OF NASBAUM RD, Carroll, MD

Built 1930 Load: 37.6 t ADT: 1,268

CARROLLTON ROAD

Fair

Over: DEEP RUN

0.02 MI W OF LEES MILL RD, Carroll, MD

Built 1960 Load: 37.6 t ADT: 709

GLEBE RD

Fair

Over: SCOTCHMAN CREEK

0.32 MI NW OF MD 213, Cecil, MD

Built 1985 Load: 37.6 t ADT: 1,465

MD 6

Fair

Over: ZEKIAH SWAMP

0.04 M W OF BR NO 0800500, Charles, MD

Built 1929 Load: 37.6 t ADT: 12,432

MD 135

Fair

Over: CSX TRANS.

0.66 MILE EAST OF MD 495A, Garrett, MD

Built 1930 Load: 37.6 t ADT: 3,198

MD 24

Fair

Over: BR OF DEER CREEK

0.42 M S OF DAVIS ROAD, Harford, MD

Built 1986 Load: 37.6 t ADT: 3,193

RED BRIDGE ROAD

Fair

Over: FALLING BRANCH

0.3 MILES E OF FAWN GR RD, Harford, MD

Built 1975 Load: 37.6 t ADT: 113

PROSPECT ROAD

Fair

Over: DEEP CREEK

1.1 MILES N OF MD 136, Harford, MD

Built 1950 Load: 37.6 t ADT: 575

LEWIS LANE

Fair

Over: AMTRAK RAILROAD

0.1 MILES E OF US 40, Harford, MD

Built 1980 Load: 37.6 t ADT: 5,745

NEEDWOOD ROAD

Fair

Over: ROCK CREEK

.6 MI W OF MUNCASTER MILL, Montgomery, MD

Built 1965 Load: 37.6 t ADT: 6,446

KEMP MILL ROAD

Fair

Over: TRIBUTARY TO NORTHWEST B

200 FT S OF GLENALLAN AVE, Montgomery, MD

Built 1964 Load: 37.6 t ADT: 12,820

MD 223

Fair

Over: PISCATAWAY CREEK

0.1 MILE NORTH OF MD 223A, Prince George's, MD

Built 1974 Load: 37.6 t ADT: 112

US 50

Fair

Over: AMTRAK, WMATA

0.74 MILE WEST OF IS 95, Prince George's, MD

Built 1959 Load: 37.6 t ADT: 108,214

IS 95X NB

Fair

Over: PAINT BRANCH

0.44 M S OF BR NO 1612400, Prince George's, MD

Built 1967 Load: 37.6 t ADT: 1,880

IS 95/IS 495

Fair

Over: POTOMAC RIVER

ON VIRGINIA LINE, Prince George's, MD

Built 2008 Load: 37.6 t ADT: 135,287

CARTER AVENUE

Fair

Over: AMTRAK RAILROAD

0.05 MI SOUTH OF MD 564, Prince George's, MD

Built 1979 Load: 37.6 t ADT: 16,914

RUMBLEY ROAD

Fair

Over: TEAGUE CREEK

1.2 MI EAST OF MD 361, Somerset, MD

Built 1978 Load: 37.6 t ADT: 223

MULLETT BRANCH ROA

Fair

Over: KINGS CREEK

0.5 MI SE OF MD 328, Talbot, MD

Built 1960 Load: 37.6 t ADT: 282

UNGER ROAD

Fair

Over: GROVE CREEK

0.5 MI SW OF LEIT SMITH R, Washington, MD

Built 1830 Load: 37.6 t ADT: 194

US 50 EB

Fair

Over: HERRING CREEK

0.19 MILE WEST OF MD 707A, Worcester, MD

Built 1942 Load: 37.6 t ADT: 21,431

US 50 WB

Fair

Over: HERRING CREEK

0.19 MILE WEST OF MD 707A, Worcester, MD

Built 1942 Load: 37.6 t ADT: 21,431

US 113 NB

Fair

Over: BACHELORS BRANCH

3.1 MILES NORTH OF MD 756, Worcester, MD

Built 1971 Load: 37.6 t ADT: 2,751

MD 36

Fair

Over: NEFF RUN

2.57 MI S OF MD 55, Allegany, MD

Built 1939 Load: 38.1 t ADT: 6,750

TERMINAL ROAD

Fair

Over: SACHS BRANCH

BWI AIRPORT TERMINAL RD, Anne Arundel, MD

Built 2002 Load: 38.1 t ADT: 11,269

MD 158

Fair

Over: MUD FLATS

1.44 MILE WEST OF MD 151, Baltimore, MD

Built 1976 Load: 38.1 t ADT: 12,161

SUSSEX ROAD

Fair

Over: TRIBUTARY TO GWYNNS FALL

0.07 MI N OF MD 26, Baltimore, MD

Built 1969 Load: 38.1 t ADT: 442

CENTRAL AVENUE

Fair

Over: HARFORD RUN

BETWEEN ALICEANNA & FLEET, Baltimore city, MD

Built 1960 Load: 38.1 t ADT: 3,900

NORTHERN PARKWAY

Fair

Over: CHINQUAPIN RUN

0.3 MI W OF THE ALAMEDA, Baltimore city, MD

Built 1974 Load: 38.1 t ADT: 16,640

MD 267

Fair

Over: AMTRAK

0.06 MILE EAST OF MD 7C, Cecil, MD

Built 1967 Load: 38.1 t ADT: 1,680

BASIN RUN ROAD

Fair

Over: BASIN RUN

0.1 MI E OF DR JACK RD, Cecil, MD

Built 1900 Load: 38.1 t ADT: 165

MD 77

Fair

Over: OWENS CREEK

0.02 MI W OF FRUSHOUR RD, Frederick, MD

Built 1932 Load: 38.1 t ADT: 3,131

MD 180

Fair

Over: CATOCTIN CREEK

0.55 MILE EAST OF MD 872, Frederick, MD

Built 1928 Load: 38.1 t ADT: 4,580

MD 108

Fair

Over: MIDDLE PATUXENT RIVER

2.02 MILES EAST OF MD 216, Howard, MD

Built 1985 Load: 38.1 t ADT: 19,870

MD 445

Fair

Over: SWAN CREEK

2.92 MILES SOUTH OF MD 21, Kent, MD

Built 1929 Load: 38.1 t ADT: 780

Showing 2,201-2,250 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.