State profile · Above national median SD

Pennsylvania bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Pennsylvania — drawn straight from the FHWA National Bridge Inventory.

14,867
Public bridges
37.4%
Good condition
10.5%
Poor condition
10.5%
Structurally deficient

Total Bridges

14,867

Public highway bridges in Pennsylvania

Good Condition

37.4%

5,564 bridges rated 7-9

-12.6pp vs 50% benchmark

Poor Condition

10.5%

1,561 bridges rated 0-4

Structurally Deficient

10.5%

1,561 bridges flagged for repair priority

3.5pp vs national avg 7.0%

Pennsylvania vs national bridge condition

Pennsylvania — Good condition share 37.4%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Pennsylvania — Structurally deficient share 35.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Pennsylvania vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Pennsylvania on the same metric.

26

Michigan

8.92% top marginal rate
Structure
Progressive
Burden @ $100K
$1,188

02

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909
Selected

42

Pennsylvania

10.50% top marginal rate
Structure
Progressive
Burden @ $100K
$14,867

38

North Dakota

10.84% top marginal rate
Structure
Progressive
Burden @ $100K
$4,242

22

Louisiana

11.00% top marginal rate
Structure
Progressive
Burden @ $100K
$12,699

Bridges Needing Most Attention in Pennsylvania

Six lowest-condition bridges in Pennsylvania, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Pennsylvania

Hollow Road

Fair

Over: Tr Zacharias Creek

Fawn/Zacharias Rd 3143-C8, Montgomery, PA

Built 1996 Load: 32.7 t ADT: 500

Hollow Road

Fair

Over: Trib of Zacharias Creek

Doe Brook Lane/Fawn3143C8, Montgomery, PA

Built 1996 Load: 32.7 t ADT: 500

N Grange Avenue

Fair

Over: Tri to Skippack Creek

.2 M S of SR 4005-3142G10, Montgomery, PA

Built 2003 Load: 32.7 t ADT: 1,300

SR 254

Fair

Over: OVER TRIB TO MUD CREEK

0.5 MI E WASHINGTONVILLE, Montour, PA

Built 1942 Load: 32.7 t ADT: 2,745

SR 254

Fair

Over: OVER TRIB TO MUD CREEK

1 MI E OF WASHINGTONVILLE, Montour, PA

Built 1942 Load: 32.7 t ADT: 1,315

SR 1009

Fair

Over: MIDDLE BR CHILLISQUAQ CR

4MI.NE.OF WASHINGTONVILLE, Montour, PA

Built 1923 Load: 32.7 t ADT: 99

SR 4003

Fair

Over: OVER LIMESTONE RUN

1 MI N OF LIMESTONEVILLE, Montour, PA

Built 1967 Load: 32.7 t ADT: 282

SR 4008

Fair

Over: TRB TO BR CHILLISQUAQ CR

1.0 MI S VILLAGE OF COMLY, Montour, PA

Built 1957 Load: 32.7 t ADT: 299

SR 4008

Fair

Over: CO LI BR CHILLISQUAQUE C

VILLAGE OF COMLY, Montour, PA

Built 1957 Load: 32.7 t ADT: 299

JACOBS ALLEY

Fair

Over: SECHLER RUN

BORO OF DANVILLE, Montour, PA

Built 1975 Load: 32.7 t ADT: 100

ROONEY AVENUE

Fair

Over: SECHLER RUN

BORO OF DANVILLE, Montour, PA

Built 1945 Load: 32.7 t ADT: 500

PA 248 (LR 175)

Fair

Over: TRIB.BUSHKILL CK.

25TH & NORTHAMPTON STS., Northampton, PA

Built 1954 Load: 32.7 t ADT: 19,793

PA 329 (LR 175)

Fair

Over: HOKENDAUQUA CREEK

NORTHAMPTON BORO LINE, Northampton, PA

Built 1909 Load: 32.7 t ADT: 12,964

PA 611(LR 517)

Fair

Over: JACOBY CREEK

PORTLAND, Northampton, PA

Built 1907 Load: 32.7 t ADT: 2,297

SR 2003 (LR 48007)

Fair

Over: FRYS RUN

DURHAM ROAD, Northampton, PA

Built 1857 Load: 32.7 t ADT: 763

SR 2017 (LR 48019)

Fair

Over: TRIB.TO BUSHKILL CK.

0.5MI.N.OF WILSON BORO, Northampton, PA

Built 1942 Load: 32.7 t ADT: 5,948

SR 2023 (LR 165)

Fair

Over: BUSHKILL CREEK

NORTH THIRD STREET, Northampton, PA

Built 1894 Load: 32.7 t ADT: 11,054

SR 4004 (LR 48082)

Fair

Over: TRIB.TO MONOCACY CREEK

1 MI.W.OF NAZARETH, Northampton, PA

Built 1924 Load: 32.7 t ADT: 2,206

TOMAHAWK TRAIL

Fair

Over: HOKENDAUQUA CREEK

NW KREIDERSVILLE, Northampton, PA

Built 1909 Load: 32.7 t ADT: 100

RICHARD GARR ROAD

Fair

Over: MUD RUN

0.5 M. NORTH OF SR 1002, Northampton, PA

Built 1911 Load: 32.7 t ADT: 150

ENGLER ROAD

Fair

Over: LITTLE BUSHKILL CREEK

E. OF PA 191, Northampton, PA

Built 1910 Load: 32.7 t ADT: 200

LAKE MINSI ROAD

Fair

Over: MARTINS CREEK

1.5 M. E OF NORTH BANGOR, Northampton, PA

Built 1974 Load: 32.7 t ADT: 200

SHADY LANE

Fair

Over: ALLEGHENY CREEK

N. OF HARTZELLS FERRY, Northampton, PA

Built 1908 Load: 32.7 t ADT: 150

SHADY LANE

Fair

Over: ALLEGHENY CREEK

N. OF HARTZELLS FERRY, Northampton, PA

Built 1946 Load: 32.7 t ADT: 150

BUSHKILL STREET

Fair

Over: BUSHKILL CREEK

S OF SR 22, @ BUSHKILL DR, Northampton, PA

Built 1953 Load: 32.7 t ADT: 3,080

CANAL ROAD

Fair

Over: DELAWARE CANAL DIVERSION

SOUTH OF RAUBSVILLE, Northampton, PA

Built 1900 Load: 32.7 t ADT: 60

NATIONAL PARK DRIV

Fair

Over: SLATEFORD CREEK

7 MILES EAST OF US. ROUTE, Northampton, PA

Built 1972 Load: 32.7 t ADT: 155

S.R. 11

Fair

Over: JOHNSONS RUN

1.5 MI NE OF NORTHD BORO, Northumberland, PA

Built 1942 Load: 32.7 t ADT: 11,601

SR 54

Fair

Over: TRIB.TO DELEWARE RUN

3.5 MI EAST OF DEWART, Northumberland, PA

Built 1958 Load: 32.7 t ADT: 2,296

S.R. 225

Fair

Over: MAHANTANGO CREEK

VILLAGE OF PILLOW, Northumberland, PA

Built 1975 Load: 32.7 t ADT: 2,731

SR 0405

Fair

Over: OVER WARRIOR RUN CREEK

1 MI S OF WATSONTOWN, Northumberland, PA

Built 1925 Load: 32.7 t ADT: 4,703

SR 901

Fair

Over: OVER SHAMOKIN CREEK

0.5 MI SW OF RANSHAW, Northumberland, PA

Built 1970 Load: 32.7 t ADT: 3,921

SR 901

Fair

Over: OVER COAL RUN

VILLAGE OF RANSHAW, Northumberland, PA

Built 1970 Load: 32.7 t ADT: 3,464

SR 2002

Fair

Over: OVER LOGAN RUN

2 MI.E.OF RIVERSIDE, Northumberland, PA

Built 1935 Load: 32.7 t ADT: 451

SR 2016

Fair

Over: OVER SHAMOKIN CREEK

1 MI.S OF PAXINOS, Northumberland, PA

Built 1934 Load: 32.7 t ADT: 291

SR 2016

Fair

Over: OVER MILLERS RUN

1 MI.SE OF PAXINOS, Northumberland, PA

Built 1918 Load: 32.7 t ADT: 291

SR 2018

Fair

Over: OVER MILLERS RUN

2 MI NW OF BEAR GAP, Northumberland, PA

Built 1929 Load: 32.7 t ADT: 207

SR 2019

Fair

Over: OVER QUAKER RUN

BRADY ST VILLAGE BRADY, Northumberland, PA

Built 1913 Load: 32.7 t ADT: 947

SR 2026

Fair

Over: OVER COAL RUN

VILLAGE OF COAL RUN, Northumberland, PA

Built 1938 Load: 32.7 t ADT: 702

SR 3003

Fair

Over: MOUSE CREEK

0.5 MI N OF URBAN, Northumberland, PA

Built 1933 Load: 32.7 t ADT: 1,127

SR 3016

Fair

Over: TRIB OF MOUSE RUN

0.5 MI EAST OF URBAN, Northumberland, PA

Built 1957 Load: 32.7 t ADT: 411

SR 4012

Fair

Over: OVER SHAMOKIN CREEK.

1.5 MI W OF ELYSBURG, Northumberland, PA

Built 1934 Load: 32.7 t ADT: 842

ELEM. SCHOOL RD

Fair

Over: LIMESTONE RUN

MILTON BORO, Northumberland, PA

Built 1970 Load: 32.7 t ADT: 200

T-568 NEITZ ROAD

Fair

Over: JOHNSON CREEK

2.3 MI. N. NORTHUMBERLAND, Northumberland, PA

Built 2012 Load: 32.7 t ADT: 100

T - 583

Fair

Over: LIMESTONE RUN

2.8 MI. EAST OF MILTON, Northumberland, PA

Built 1990 Load: 32.7 t ADT: 2,000

PA 17; SR 0017

Fair

Over: BIXLER RUN

1 MI. E. KISTLER, Perry, PA

Built 1950 Load: 32.7 t ADT: 698

SWIMMING POOL ROAD

Fair

Over: LITTLE BUFFALO CREEK

LITTLE BUFFALO STATE PARK, Perry, PA

Built 1971 Load: 32.7 t ADT: 200

57th Street

Fair

Over: SEPTA

S of Baltimore - 27E13, Philadelphia, PA

Built 1905 Load: 32.7 t ADT: 5,500

RAMP B ON RAMP

Fair

Over: DIRT AND FILL

WALNUT TO 76EB 3590 A08, Philadelphia, PA

Built 1955 Load: 32.7 t ADT: 8,189

SOUTHBOUND COLL.DI

Fair

Over: OPEN GROUND(EARTH FILL)

BETSY ROSS INTERC.3481H10, Philadelphia, PA

Built 1975 Load: 32.7 t ADT: 15,799

Showing 4,351-4,400 of 14,867 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.