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

BRIDGE 2310,T-446

Poor

Over: OVER GOLDEN RUN

ROBERTSON RD.HERMITAGE, Mercer, PA

Built 1956 Load: 89.7 t ADT: 276

Whitby Avenue

Poor

Over: Cobbs Creek

W of Cobbs Crk Pkwy.27G13, Philadelphia, PA

Built 1932 Load: 89.7 t ADT: 6,800

SR 2015(LR 140)

Poor

Over: SCHUYLKILL RIVER

MT.CARBON BORO LINE, Schuylkill, PA

Built 1925 Load: 89.7 t ADT: 5,429

T-486, Shady Lane

Poor

Over: Welty Run

1500' EAST OF SR 2025, Westmoreland, PA

Built 1925 Load: 89.7 t ADT: 75

GRISTMILL ROAD

Poor

Over: IRONSTONE CREEK

DOUGLASS PARK/RR TRESTLE, Berks, PA

Built 1900 Load: 95.3 t ADT: 200

T-867,PHILADELPHIA

Poor

Over: OVER CONNEAUT CREEK E.BR

BEAVER TOWNSHIP, Crawford, PA

Built 1986 Load: 99.8 t ADT: 250

SR 2011

Poor

Over: BEAVER CREEK

WHARTON TOWNSHIP, Fayette, PA

Built 1931 Load: 99.8 t ADT: 675

KING ROAD

Poor

Over: RIDGE VALLEY CREEK

0.9 Mi N SR563 2918-D6, Montgomery, PA

Built 1918 Load: 99.8 t ADT: 44

61st Street

Poor

Over: SEPTA (AHSL)

S of Eastwick Ave - 36H04, Philadelphia, PA

Built 1928 Load: 99.8 t ADT: 20,000

COLUMBUS AVE

Poor

Over: DRINKER CREEK

400FT FROM RT 92, Susquehanna, PA

Built 1920 Load: 99.8 t ADT: 25

T-370 - FISHERMANS

Poor

Over: VICTORY RUN

1 MI. E. OF OLD RT. 8, Venango, PA

Built 1907 Load: 99.8 t ADT: 50

SR 0837

Poor

Over: MINGO RUN

NEW EAGLE BOROUGH, Washington, PA

Built 1931 Load: 99.8 t ADT: 6,481

SR 0356

Poor

Over: PINE RUN

ALLEGHENY TOWNSHIP, Westmoreland, PA

Built 1927 Load: 99.8 t ADT: 13,272

SR 0981

Poor

Over: REPKO RUN

NEW ALEXANDRIA BOROUGH, Westmoreland, PA

Built 1947 Load: 99.8 t ADT: 7,389

SR 4041

Poor

Over: HAYMAKERS RUN

MUNICIPAL. OF MURRYSVILLE, Westmoreland, PA

Built 1940 Load: 99.8 t ADT: 5,907

SR 4050

Poor

Over: STREAM TO KISKIMINETAS

180 FT WEST OFF SR 4093, Westmoreland, PA

Built 1960 Load: 99.8 t ADT: 1,090

JENKS ROAD

Poor

Over: MARSH CREEK

2.5 MILES NW OF VERNON, Wyoming, PA

Built 1920 Load: 99.8 t ADT: 50

Showing 14,851-14,867 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.