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 175 RAMP 'H'

Fair

Over: LITTLE PATUXENT RIVER

0.27 MI S OF US 29, Howard, MD

Built 1970 Load: 41.3 t ADT: 1,170

LEISHEAR ROAD

Fair

Over: HAMMOND BRANCH

0.2 MI N OF MD RTE 216, Howard, MD

Built 1969 Load: 41.3 t ADT: 7,344

REDLAND ROAD

Fair

Over: CSXT RR & WMATA METRO

0.2 MI E OF MD RTE 355, Montgomery, MD

Built 1980 Load: 41.3 t ADT: 20,246

MD 193

Fair

Over: PAINT BRANCH

0.15 MILE WEST OF US 1, Prince George's, MD

Built 1955 Load: 41.3 t ADT: 41,260

MD 363

Fair

Over: E BRANCH OF ROCK CREEK

0.70 M W OF LONG POINT RD, Somerset, MD

Built 1976 Load: 41.3 t ADT: 2,245

HAYES LANDING ROAD

Fair

Over: NEWPORT CREEK

1.29 MI SE OF US RTE 113, Worcester, MD

Built 2000 Load: 41.3 t ADT: 130

GREEN SPRING ROAD

Fair

Over: MILL RUN

0.08 MI N OF MAIN ST, Allegany, MD

Built 1935 Load: 41.7 t ADT: 812

IS 97 NBR

Fair

Over: SEVERN RUN

0.81 MILE NORTH OF MD 3, Anne Arundel, MD

Built 1991 Load: 41.7 t ADT: 102,300

IS 97 SBR

Fair

Over: SEVERN RUN

0.81 MILE NORTH OF MD 3, Anne Arundel, MD

Built 1991 Load: 41.7 t ADT: 102,300

MD 100 EBR

Fair

Over: JUMPERS HOLE ROAD

0.67 MILE EAST OF MD 2, Anne Arundel, MD

Built 1971 Load: 41.7 t ADT: 26,792

MD 665 EB

Fair

Over: CHURCH CREEK

0.29 MILE EAST OF MD 2, Anne Arundel, MD

Built 1991 Load: 41.7 t ADT: 31,071

WISEBURG ROAD

Fair

Over: LITTLE FALLS

100 FT W OF GRAYSTONE RD, Baltimore, MD

Built 1988 Load: 41.7 t ADT: 1,600

I-83 RAMP H

Fair

Over: HILLEN STREET

I-83 OVER HILLEN STREET, Baltimore city, MD

Built 1975 Load: 41.7 t ADT: 82,593

IS 95 RAMP F

Fair

Over: GWYNNS FALLS

SB FROM WASHINGTON BLVD, Baltimore city, MD

Built 1982 Load: 41.7 t ADT: 6,160

I-95 RAMP OP

Fair

Over: KEITH AVENUE

Milepost M56.5, Baltimore city, MD

Built 1976 Load: 41.7 t ADT: 3,245

IS 95 VIADUCT SB

Fair

Over: CONRAIL YARD

Milepost M56.9, Baltimore city, MD

Built 1980 Load: 41.7 t ADT: 72,095

MD 313

Fair

Over: MARSHYHOPE CREEK

1.71 MILE SOUTH OF MD 308, Caroline, MD

Built 1962 Load: 41.7 t ADT: 9,737

MD 850C

Fair

Over: TALBOT BRANCH

0.03 M S OF FRANKLIN RD, Carroll, MD

Built 1931 Load: 41.7 t ADT: 999

OLD ELK NECK ROAD

Fair

Over: MILL CREEK

0.4 MI S OF MD 7, Cecil, MD

Built 2004 Load: 41.7 t ADT: 109

DEVILBISS BRIDGE R

Fair

Over: FISHING CREEK

0.75 MI W OF DUBLIN RD, Frederick, MD

Built 1979 Load: 41.7 t ADT: 3,371

SANG RUN ROAD

Fair

Over: SANG RUN

SANG RUN ROAD, Garrett, MD

Built 1997 Load: 41.7 t ADT: 454

US 40 & RMPS 5 & 6

Fair

Over: BR OF SWAN CREEK

0.03 MILE SOUTH OF MD 22, Harford, MD

Built 1968 Load: 41.7 t ADT: 26,751

ST CLAIR BRIDGE RD

Fair

Over: DEER CREEK

1.0 MILES S OF MD 165, Harford, MD

Built 1954 Load: 41.7 t ADT: 563

EDGEWOOD ROAD

Fair

Over: OTTER POINT CREEK (N)

0.3 MILES S OF MD 7, Harford, MD

Built 1933 Load: 41.7 t ADT: 9,886

MINK HOLLOW ROAD

Fair

Over: PATUXENT RIVER

HOWARD-MONTGOMERY CO LINE, Howard, MD

Built 1908 Load: 41.7 t ADT: 1,209

CHANDLEE MILL ROAD

Fair

Over: JAMES CREEK

0.4 MI S OF GOLD MINE RD, Montgomery, MD

Built 1972 Load: 41.7 t ADT: 302

US 50 EB/301 NB

Fair

Over: PINEY CREEK

1.21 MILES EAST OF MD 552, Queen Anne's, MD

Built 1950 Load: 41.7 t ADT: 65,701

MD 304

Fair

Over: CORSICA CREEK

0.88 MILE WEST OF MD 213, Queen Anne's, MD

Built 1985 Load: 41.7 t ADT: 1,732

MD 544

Fair

Over: RED LION BRANCH

0.56 MILE EAST OF MD 290, Queen Anne's, MD

Built 1972 Load: 41.7 t ADT: 1,551

GREENSPRING ROAD

Fair

Over: WYE RIVER

0.15 MI SE OF MD 301, Queen Anne's, MD

Built 1992 Load: 41.7 t ADT: 111

MD 34

Fair

Over: POTOMAC RIV & C&O CANAL

ON WEST VIRGINIA ST LINE, Washington, MD

Built 2005 Load: 41.7 t ADT: 5,900

BROWNSVILLE ROAD

Fair

Over: ISRAEL CREEK

0.2 MI W OF MD RTE 67, Washington, MD

Built 1904 Load: 41.7 t ADT: 325

US 13 BUS NB

Fair

Over: NORFOLK SOUTHERN RR

1.0 MILE NORTH OF US 50BU, Wicomico, MD

Built 1930 Load: 41.7 t ADT: 16,405

US 13 BUS NB

Fair

Over: TONYTANK POND

0.38 MILE NORTH OF MD 513, Wicomico, MD

Built 1995 Load: 41.7 t ADT: 11,480

MD 313

Fair

Over: NANTICOKE RIVER

ON DORCHESTER CO LINE, Wicomico, MD

Built 1987 Load: 41.7 t ADT: 2,420

MD 374

Fair

Over: POCOMOKE RIVER

ON WICOMICO CO LINE, Worcester, MD

Built 2001 Load: 41.7 t ADT: 1,196

IS 68 RAMP 'E'(4)

Fair

Over: CENTRE ST, QUEEN CITY DR

0.52 MI E OF US 48H, Allegany, MD

Built 1968 Load: 42.2 t ADT: 6,507

VALLEY STREET

Fair

Over: WILLS CREEK / WMSRR

0.20 MI S OF US 40 ALT, Allegany, MD

Built 1955 Load: 42.2 t ADT: 6,149

MD 10 NBR

Fair

Over: FURNACE CREEK

0.38 MI N OF MD 270, Anne Arundel, MD

Built 1973 Load: 42.2 t ADT: 47,240

MD 10 SBR

Fair

Over: FURNACE CREEK

0.38 MI N OF MD 270, Anne Arundel, MD

Built 1973 Load: 42.2 t ADT: 47,240

MD 100 WBR

Fair

Over: DEEP RUN

ON HOWARD COUNTY LINE, Anne Arundel, MD

Built 1996 Load: 42.2 t ADT: 56,840

MARLEY NECK BOULEV

Fair

Over: MARLEY CREEK

1 MI SW of MD 173, Anne Arundel, MD

Built 1982 Load: 42.2 t ADT: 13,455

MD 45

Fair

Over: PINEY CREEK

0.06 MI N OF SPARKS RD, Baltimore, MD

Built 1975 Load: 42.2 t ADT: 23,992

MD 7

Fair

Over: BEAN BRANCH

2.03 MI S OF HARFORD CO, Baltimore, MD

Built 1975 Load: 42.2 t ADT: 11,470

LOMBARD STREET

Fair

Over: NORFOLK SOUTHERN RAILROA

LOMBARD ST OV NS RR, Baltimore city, MD

Built 1900 Load: 42.2 t ADT: 8,900

ANTHONY MILL ROAD

Fair

Over: WATTS CREEK

2.0 MILES SOUTH OF MD 317, Caroline, MD

Built 2004 Load: 42.2 t ADT: 678

MD 27

Fair

Over: MORGAN RUN

1.68 MILE NORTH OF MD 407, Carroll, MD

Built 1922 Load: 42.2 t ADT: 14,091

US 40 EB

Fair

Over: LITTLE ELK CREEK

0.19 MILE EAST OF MD 279, Cecil, MD

Built 1939 Load: 42.2 t ADT: 15,537

US 40 WB

Fair

Over: LITTLE ELK CREEK

0.19 MILE EAST OF MD 279, Cecil, MD

Built 1939 Load: 42.2 t ADT: 16,172

MD 279

Fair

Over: LITTLE ELK CREEK

0.19 MILE SOUTH OF MD 545, Cecil, MD

Built 1968 Load: 42.2 t ADT: 13,600

Showing 2,451-2,500 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.