State profile · Above median Poor share

Pennsylvania bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Pennsylvania, based on the FHWA National Bridge Inventory.

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

Data updated May 2026

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 whose lowest applicable component is rated 0-4

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 - Poor-condition 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 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 Pennsylvania on the same metric.

MI

Michigan

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

AK

Alaska

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

PA

Pennsylvania

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

ND

North Dakota

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

LA

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Pennsylvania

SR4008

Unknown

Over: PA TURNPIKE (I-76)

2 MI NORTH OF NEWVILLE, Cumberland, PA

Built 2005

SR 0233 DOUBLING G

Unknown

Over: I-76 PA Turnpike

Lower Mifflin Township, Cumberland, PA

Built 2008 ADT: 18,892

SR4021 BLOSERVILLE

Unknown

Over: I-76 PA TPK MP (215.96)

2.5 M. S. OF BLOSERVILLE, Cumberland, PA

Built 2009

PA TPK (I-76)

Unknown

Over: SR 0015, LR123 (US 15)

UPPER ALLEN TWP, Cumberland, PA

Built 2007 ADT: 26,640

PA TPK (I-76)

Unknown

Over: SR 0015, LR123 (US 15)

UPPER ALLEN TWP, Cumberland, PA

Built 2007 ADT: 48,628

US15

Unknown

Over: Lower Allen Dr/T618

Capital City Mall, Cumberland, PA

Built 2010 ADT: 5,039

US 15

Unknown

Over: SR 2014 Simpson Ferry

Outside Camp Hill, Cumberland, PA

Built 2010 ADT: 10,014

US Rte 11

Unknown

Over: SR 0581 E & W

Camp Hill Boro, Cumberland, PA

Built 2010 ADT: 2,601

PA TPK (I-76)

Unknown

Over: SR 4008, LR21036

Lower Mifflin Twp, Cumberland, PA

Built 2009 ADT: 569

I-81 NB; SR 0081

Unknown

Over: PA 465; SR 0465

1 MI. S. OF CARLISLE, Cumberland, PA

Built 2011 ADT: 4,441

I-81 SB; SR 0081

Unknown

Over: PA 465; SR 0465

1 MI. S. OF CARLISLE, Cumberland, PA

Built 2011 ADT: 3,309

SR 2028

Unknown

Over: I-83, SR 0083

LEMOYNE WEST OF LR250, Cumberland, PA

Built 2013 ADT: 19,187

PA TPK (I-76)

Unknown

Over: SR 4006

Upper Mifflin Twp., Cumberland, PA

Built 2014 ADT: 1,192

PA TPK (I76)

Unknown

Over: SR 4013

Upper Mifflin Twp., Cumberland, PA

Built 2014 ADT: 930

PA TPK (I-76)

Unknown

Over: SR 0034

North Middleton Twp., Cumberland, PA

Built 2017 ADT: 11,719

PA TPK (I-76)

Unknown

Over: LR21032, SR0074

North Middleton Twp., Cumberland, PA

Built 2017 ADT: 3,216

PA TPK (I-76)

Unknown

Over: SR 0011, LR 34

Middlesex Twp., Cumberland, PA

Built 2017 ADT: 12,240

PA TPK (I-76)

Unknown

Over: SR4007 MOUNTAIN RD

UPPER MIFFLIN TWP, Cumberland, PA

Built 2018 ADT: 393

US 11 & 15,SR 0011

Unknown

Over: US 22 & 322, SR 0022

2 MI N OF CLARKS FERRY, Dauphin, PA

Built 1959 ADT: 13,076

US 22/322 EB;SR 22

Unknown

Over: SUSQ R; SR 0147 SB, RP

CLARKS FERRY, Dauphin, PA

Built 1986 ADT: 2,153

US 22/322 WB;SR 22

Unknown

Over: SUSQ. R.; SR 0147 SB, RP

.5 MI. EAST OF DUNCANNON, Dauphin, PA

Built 1986 ADT: 2,015

ALLEGHENY STREET

Unknown

Over: SUSQUEHANNA STREET

200 FT NW OF SR 0322, Dauphin, PA

Built 1942 ADT: 10

US 22/322 EB

Unknown

Over: T-509

ROCKVILLE, Dauphin, PA

Built 1977 ADT: 1

US 22/322 WB

Unknown

Over: T-509

ROCKVILLE, Dauphin, PA

Built 1977 ADT: 1

US 22 EB; SR 0022

Unknown

Over: SR 0081; SR 8003 RP A@B

INTER OF I81 & US22, Dauphin, PA

Built 1977 ADT: 2,859

US 22 WB; SR 0022

Unknown

Over: I-81; SR 8003 RP A@B

INTER OF I81 & US22, Dauphin, PA

Built 1977 ADT: 2,859

PA 39; SR 0039

Unknown

Over: I-81; SR 0081

3MI E OF LINGLESTOWN, Dauphin, PA

Built 1967 ADT: 27,246

I-81; SR 0081

Unknown

Over: SR 3009 NB FRONT ST

SUSQUEHANNA TWP., Dauphin, PA

Built 1972 ADT: 5,098

I-81; SR 0081

Unknown

Over: NORFOLK SOUTHERN, T-310

CITY OF HARRISBURG, Dauphin, PA

Built 1972 ADT: 1

I-81 NB; SR 0081

Unknown

Over: INDUSTRIAL HIGHWAY

OVER INDUSTRIAL HWY., Dauphin, PA

Built 1975 ADT: 1

I-81 SB; SR 0081

Unknown

Over: INDUSTRAIL HIGHWAY

OVER IND. HIGHWAY, Dauphin, PA

Built 1975 ADT: 1

I-81 NB; SR 0081

Unknown

Over: TWP RD 318; KOHN RD

1.5 MI.N.OF PROGRESS, Dauphin, PA

Built 1969 ADT: 1

I-81 SB; SR 0081

Unknown

Over: TWP RD 318; KOHN RD

1.5 MI.N. PROGRESS, Dauphin, PA

Built 1969 ADT: 28,443

I-81 NB; SR 0081

Unknown

Over: SR 3015

1 MI.N.OF PROGRESS, Dauphin, PA

Built 1969 ADT: 5,945

I-81 SB; SR 0081

Unknown

Over: SR 3015

1 MI. N. PROGRESS, Dauphin, PA

Built 1969 ADT: 5,945

I-81 NB; SR 0081

Unknown

Over: TWP RD 432

1 MI. N. PROGRESS, Dauphin, PA

Built 1969

T-505

Unknown

Over: I-81; SR 0081

PAXTONIA, Dauphin, PA

Built 1969 ADT: 27,246

I-81 NB; SR 0081

Unknown

Over: T-561 Blue Ridge Ave.

1 MI. S.E. LINGLESTOWN, Dauphin, PA

Built 1969 ADT: 2,600

I-81 SB; SR 0081

Unknown

Over: TWP RD 465

2.5 MI. E. LINGLESTOWN, Dauphin, PA

Built 1969 ADT: 7,486

I-81 SB; SR 0081

Unknown

Over: SR 2017

SHELLSVILLE, Dauphin, PA

Built 1966 ADT: 711

I-81 NB; SR 0081

Unknown

Over: SR 2015

1 MI. E. SHELLSVILLE, Dauphin, PA

Built 1967 ADT: 396

I-81; SR 0081

Unknown

Over: SR 2015 MANADA GAP RD

1 MI.E. OF SHELLSVILLE, Dauphin, PA

Built 1967 ADT: 396

I-81 NB; SR 0081

Unknown

Over: TWP RD 523

2 MI E SHELLSVILLE, Dauphin, PA

Built 1968 ADT: 1

I-81 SB; SR 0081

Unknown

Over: TWP RD 523

GRANTVILLE, Dauphin, PA

Built 1968 ADT: 1

T-525; BOW CK RD

Unknown

Over: I-81; SR 0081

GRANTVILLE, Dauphin, PA

Built 1968 ADT: 25,043

T606;FIRE HOUSE RD

Unknown

Over: I-81; SR 0081

0.5 MI. N. OF GRANTVILLE, Dauphin, PA

Built 1968 ADT: 25,043

SR 0083; I-83

Unknown

Over: SUSQ.RIVER;R.R.LOWTHER S

JOHN HARRIS BRIDGE; I-83, Dauphin, PA

Built 1960 ADT: 150

I-83; SR 0083

Unknown

Over: PA 230;NS;RP B,C;FRONT

SOUTH HARRISBURG, Dauphin, PA

Built 1960 ADT: 15,000

13TH STREET

Unknown

Over: SR 0083; I-83

13TH ST. OVER I-83, Dauphin, PA

Built 1981 ADT: 43,872

I-83 NB; SR 0083

Unknown

Over: US322&RE;I283S;RA;SR3001

EISENHOWER INTERCHANGE, Dauphin, PA

Built 1970 ADT: 13,464

Showing 501-550 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.

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.