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%.

Condition Distribution

Pennsylvania45%42.4%12.6%GoodFairPoor
Bridge inventory deck-condition mix - Pennsylvania (FHWA NBI)

Counties (67)

Adams 94 Allegheny 356 Armstrong 109 Beaver 84 Bedford 99 Berks 187 Blair 83 Bradford 114 Bucks 184 Butler 142 Cambria 67 Cameron 21 Carbon 29 Centre 183 Chester 285 Clarion 119 Clearfield 195 Clinton 147 Columbia 187 Crawford 263 Cumberland 239 Dauphin 283 Delaware 269 Elk 95 Erie 331 Fayette 341 Forest 51 Franklin 215 Fulton 97 Greene 209 Huntingdon 162 Indiana 214 Jefferson 140 Juniata 109 Lackawanna 212 Lancaster 509 Lawrence 162 Lebanon 221 Lehigh 255 Luzerne 307 Lycoming 301 McKean 166 Mercer 273 Mifflin 129 Monroe 214 Montgomery 608 Montour 74 Northampton 253 Northumberland 193 Perry 102 Philadelphia 584 Pike 108 Potter 145 Schuylkill 199 Snyder 106 Somerset 400 Sullivan 119 Susquehanna 284 Tioga 429 Union 163 Venango 189 Warren 217 Washington 655 Wayne 259 Westmoreland 619 Wyoming 140 York 569

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.

SR0286

Poor

Over: KISKIMINETAS RIVER

SALTSBURG, Indiana, PA

Built 1985 Load: 0.9 t ADT: 4,169

T-783 HARRIS HILL

Poor

Over: TOBYS CREEK

100 FT NE OF SR 309, Luzerne, PA

Built 1920 Load: 0.9 t ADT: 220

BRIDGE 2805,T-303

Poor

Over: OVER SHENANGO RIVER TRIB

HEASLEY RD SHENANGO TWP, Mercer, PA

Built 1922 Load: 0.9 t ADT: 89

SR 3014

Poor

Over: LAUREL HILL CREEK

BARRONVALE, Somerset, PA

Built 1962 Load: 0.9 t ADT: 167

Clark Street

Poor

Over: Fallen Timber Run

Clark St, Hooversville, Somerset, PA

Built 1910 Load: 0.9 t ADT: 100

SR 4012

Poor

Over: LOYALSOCK CREEK

BORO OF FORKSVILLE, Sullivan, PA

Built 1850 Load: 0.9 t ADT: 137

All Bridges in Pennsylvania

SR 1004,STONEBORO

Unknown

Over: OVER SR 79,NB/SB

LAKE TOWNSHIP, Mercer, PA

Built 1967 ADT: 6,459

SR 1024,CO.LINE RD

Unknown

Over: OVER SR 79,NB/SB

DEER CREEK TOWNSHIP, Mercer, PA

Built 1967 ADT: 6,474

SR 2006,BLACKTOWN

Unknown

Over: OVER SR 79,NB/SB

SPRINGFIELD TOWNSHIP, Mercer, PA

Built 1963 ADT: 8,958

SR 2019,POOLE ROAD

Unknown

Over: OVER SR 79,NB/SB

LAKE TOWNSHIP, Mercer, PA

Built 1965 ADT: 6,459

SR 80,EB

Unknown

Over: OVER SR 2007,T-439 & RR

PINE TOWNSHIP, Mercer, PA

Built 1998 ADT: 1,453

SR 80,WB

Unknown

Over: OVER SR 2007,T-439 & RR

PINE TOWNSHIP, Mercer, PA

Built 1999 ADT: 50

SR 80,EB

Unknown

Over: OVER T998,CENTERTOWN RD.

WOLF CREEK TOWNSHIP, Mercer, PA

Built 1965 ADT: 360

SR 80,WB

Unknown

Over: OVER T998,CENTERTOWN RD.

WOLF CREEK TOWNSHIP, Mercer, PA

Built 1965 ADT: 360

SR 518,WALNUT ST

Unknown

Over: PINE HOLLOW RUN

CITY OF HERMITAGE, Mercer, PA

Built 2006 ADT: 100

SOUTH OAKLAND

Unknown

Over: OVER US 62

SOUTH OAKLAND AVE SHARON, Mercer, PA

Built 2006 ADT: 5,137

SR 208,GROVE CITY

Unknown

Over: OVER I-79,NB/SB

SPRINGFIELD TOWNSHIP, Mercer, PA

Built 2007 ADT: 9,034

SR 62 Shen Vly Exp

Unknown

Over: over SR 718, S DOC & NSR

CITY OF SHARON, Mercer, PA

Built 2010 ADT: 7,198

SR 3006 SR 3006

Unknown

Over: SR 8005

LEWISTOWN BORO, Mifflin, PA

Built 1965 ADT: 3,414

SR 322-US 322

Unknown

Over: KISH CR & TWP RD 439

REEDSVILLE, Mifflin, PA

Built 1964 ADT: 50

SR 22-US 22

Unknown

Over: SR 522 SEDA-COG

LEWISTOWN BORO, Mifflin, PA

Built 1958 ADT: 7,152

SR 22-US 22

Unknown

Over: SR 8018 AND KISH CREEK

LEWISTOWN, Mifflin, PA

Built 1958 ADT: 3,860

SR 22-US 22

Unknown

Over: TWP RD 315 & JACKS CREEK

LEWISTOWN, Mifflin, PA

Built 1958 ADT: 5

SR 2004

Unknown

Over: SR 22-PA 22

LEWISTOWN, Mifflin, PA

Built 1958 ADT: 7,325

SR 322-US 322

Unknown

Over: SR 655-PA 655

REEDSVILLE, Mifflin, PA

Built 1998 ADT: 3,500

SR 322-US 322

Unknown

Over: SR 655-PA 655

REEDSVILLE, Mifflin, PA

Built 1998 ADT: 3,500

SR 1005

Unknown

Over: SR 322-US 322

2 MI NORTH WEST MILROY, Mifflin, PA

Built 1998 ADT: 8,559

SR 322-US 322

Unknown

Over: SR 4001 AND TEA CREEK

1 MI N REEDSVILLE, Mifflin, PA

Built 1998 ADT: 570

SR 322-US 322

Unknown

Over: SR 4001 AND TEA CREEK

1 MI N REEDSVILLE, Mifflin, PA

Built 1998 ADT: 570

SR 1006

Unknown

Over: US SR 322

2.5 MI N REEDSVILLE, Mifflin, PA

Built 1998 ADT: 8,559

SR 322-US 322 E.B.

Unknown

Over: LAUREL CREEK AND T 795

2 MI NW MILROY, Mifflin, PA

Built 1999 ADT: 50

SR 322-US 322 W.B.

Unknown

Over: LAUREL CREEK AND T 795

2 MI NW MILROY, Mifflin, PA

Built 1999 ADT: 50

SR 322-US 322 E.B.

Unknown

Over: TWP RT 839 OAK STREET

2 MI NW MILROY, Mifflin, PA

Built 1999 ADT: 50

SR 322-US 322 W.B.

Unknown

Over: TWP RT 839 OAK STREET

2 MI NW MILROY, Mifflin, PA

Built 1999 ADT: 50

SR 322-US 322 E.B.

Unknown

Over: SCRABBLE RD LAUREL CR

1.5 MI NW MILROY, Mifflin, PA

Built 1999 ADT: 50

SR 322-US 322 W.B.

Unknown

Over: SCRABBLE RD LAUREL CR

1.5 MI NW MILROY, Mifflin, PA

Built 1999 ADT: 50

SR 322-US 322 E.B.

Unknown

Over: SR 4006

2 MI NW OF MILROY, Mifflin, PA

Built 1999 ADT: 432

SR 322-US 322 W.B.

Unknown

Over: SR 4006

NORTH MILROY, Mifflin, PA

Built 1999 ADT: 432

SR 22-US 22

Unknown

Over: SR 1005 ELECTRIC AVENUE

LEWISTOWN, Mifflin, PA

Built 2001 ADT: 6,099

SR 22-US 22

Unknown

Over: SR 3023

0.5 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2002 ADT: 5,700

SR 22-US 22

Unknown

Over: SR 1005 ELECTRIC AVENUE

1 MILE NORTH OF LEWISTOWN, Mifflin, PA

Built 2002 ADT: 6,099

SR 8014

Unknown

Over: SR 3023

0.5 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2002 ADT: 5,700

SR 8014 RAMP C

Unknown

Over: ORT RD 322 & 22 RP A & H

0.5 MI. N OF LEWISTOWN, Mifflin, PA

Built 2003 ADT: 10,130

SR 22-US 22

Unknown

Over: SR 322 EB/TRIB KISH CR

0.5 MI W LEWISTOWN, Mifflin, PA

Built 2003 ADT: 12,708

SR 22-US 22

Unknown

Over: SR 3023

0.5 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2003 ADT: 5,700

SR 8016

Unknown

Over: SR 22-US 22

LEWISTOWN, Mifflin, PA

Built 2004 ADT: 7,325

SR 22-US 22 EB

Unknown

Over: SR 3005 -Big Ridge Road

1.5 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2005 ADT: 984

SR 22-US 22 WB

Unknown

Over: SR 3005 (BIG RIDGE RD)

1.5 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2005 ADT: 984

SR 22-US 22

Unknown

Over: TWP 664

1 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2004 ADT: 15

SR 22-US 22

Unknown

Over: TWP 664

1 MI WEST OF LEWISTOWN, Mifflin, PA

Built 2004 ADT: 100

SR 22-US 22

Unknown

Over: SR 3002

LEWISTOWN BY-PASS, Mifflin, PA

Built 2005 ADT: 4,181

SR 22-US 22

Unknown

Over: SR 3002

LEWISTOWN BY-PASS, Mifflin, PA

Built 2005 ADT: 1,705

SR2036 SHIFFERS RD

Unknown

Over: PA 33 (LR 796)

1.3 MI.S.OF I-80, Monroe, PA

Built 1963 ADT: 11,834

I-80 EB(LR 1009)

Unknown

Over: T-580 (STONEY HOLLOW RD)

4.5 MI.E.OF CARBON CO.LN., Monroe, PA

Built 1965 ADT: 200

I-80 WB (LR 1009)

Unknown

Over: T-580(STONEY HOLLOW RD.)

4.5 MI.E.OF CARBON CO.LN., Monroe, PA

Built 1965 ADT: 200

I-80 WB (LR 1002)

Unknown

Over: SR 4004 (LR 45024)

2.4 MI. W. OF PA 715, Monroe, PA

Built 1962 ADT: 1,371

Showing 1,351-1,400 of 14,867 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.