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%.

Condition Distribution

Bridge inventory deck-condition mix — Pennsylvania (FHWA NBI)

Pennsylvania37.42516983924127%35.29965695836416%10.499764579269524%10.499764579269524%GoodFairPoorStructurally Deficient
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 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.

SR0286

Poor

Over: KISKIMINETAS RIVER

SALTSBURG, Indiana, PA

Built 1985 Load: 0.9 t ADT: 4,169

T-783 HARRIS HILL

Structurally Deficient

Over: TOBYS CREEK

100 FT NE OF SR 309, Luzerne, PA

Built 1920 Load: 0.9 t ADT: 220

BRIDGE 2805,T-303

Structurally Deficient

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

Structurally Deficient

Over: Fallen Timber Run

Clark St, Hooversville, Somerset, PA

Built 1910 Load: 0.9 t ADT: 100

SR 4012

Structurally Deficient

Over: LOYALSOCK CREEK

BORO OF FORKSVILLE, Sullivan, PA

Built 1850 Load: 0.9 t ADT: 137

All Bridges in Pennsylvania

THORNTON ROAD

Fair

Over: WEST BR.CHESTER CREEK

W.BR.CHESTER CR. 32C10, Delaware, PA

Built 1973 Load: 44.5 t ADT: 2,545

MACDADE BOULEVARD

Fair

Over: DARBY CREEK

.1MIN.N.SPRINGFIELD 36A05, Delaware, PA

Built 2007 Load: 44.5 t ADT: 21,374

SHERBROOK BLVD

Fair

Over: NAYLORS RUN

UNDER SHERBROOK BLVD, Delaware, PA

Built 1941 Load: 44.5 t ADT: 5,000

SR 120-PA 120

Fair

Over: IRON RUN

CITY OF ST MARYS, Elk, PA

Built 1949 Load: 44.5 t ADT: 4,411

SR 86,E.B.

Fair

Over: OVER FRENCH CREEK

GREENFIELD TOWNSHIP, Erie, PA

Built 1987 Load: 44.5 t ADT: 3,686

SR 89, SOUTH LAKE

Fair

Over: OVER SIXTEEN MILE CK BR

NORTH EAST BOROUGH, Erie, PA

Built 1915 Load: 44.5 t ADT: 7,202

SR 3001,GRIFFEY RD

Fair

Over: OVER CONNEAUT CREEK

CONNEAUT TOWNSHIP, Erie, PA

Built 1948 Load: 44.5 t ADT: 479

T-676 JUVA VALLEY

Fair

Over: UNKNOWN CREEK

AT INT W/T-529, Erie, PA

Built 1980 Load: 44.5 t ADT: 45

SR 0119

Fair

Over: MOUNTS CREEK

BULLSKIN TOWNSHIP, Fayette, PA

Built 1942 Load: 44.5 t ADT: 26,109

WALNUT AVE - TR524

Fair

Over: REDSTONE CREEK

BROWNFIELD, Fayette, PA

Built 1967 Load: 44.5 t ADT: 500

Foxburg Road

Fair

Over: Rasler Run

Springfield Twp., Fayette, PA

Built 1980 Load: 44.5 t ADT: 25

Clay Road

Fair

Over: Washington Run

South of Perryopolis, Fayette, PA

Built 1935 Load: 44.5 t ADT: 150

PA 696; S.Fayette

Fair

Over: SHIRLEY RUN

.75 MI.S.E. SHIPPENSBURG, Franklin, PA

Built 1954 Load: 44.5 t ADT: 7,253

MCFARLAND RD.

Fair

Over: JOHNSTON RUN

1.5E MERCERSBURG/JOHNSTON, Franklin, PA

Built 1982 Load: 44.5 t ADT: 300

SR 4009;Loudon Rd.

Fair

Over: Wilson Run

3 Mi. N.E. of St. Thomas, Franklin, PA

Built 1999 Load: 44.5 t ADT: 919

MARTIN GAP ROAD

Fair

Over: STANDING STONE CREEK

AT T-486 INTERSECT, Huntingdon, PA

Built 2001 Load: 44.5 t ADT: 119

SR0217

Fair

Over: CONEMAUGH RIVER

TORRANCE, Indiana, PA

Built 1952 Load: 44.5 t ADT: 7,173

SR3039

Fair

Over: FIVEMILE RUN

FIVEMILE SWAMP, Jefferson, PA

Built 1998 Load: 44.5 t ADT: 347

T-351 DEERVILLE RD

Fair

Over: CEDAR SPRING RUN

1 MILE N.OF MEXICO, Juniata, PA

Built 1973 Load: 44.5 t ADT: 500

PA TPK (I-476)

Fair

Over: SPRING BROOK

MOOSIC BOROUGH, Lackawanna, PA

Built 1957 Load: 44.5 t ADT: 6,575

PA 23; SR 0023

Fair

Over: Conestoga River

0.25 mi South of US 30, Lancaster, PA

Built 1992 Load: 44.5 t ADT: 13,527

GLICK RD

Fair

Over: LITTLE CONESTOGA CREEK

SOUTH OF VALLEY VIEW RD, Lancaster, PA

Built 1901 Load: 44.5 t ADT: 100

BEAVER DAM RD

Fair

Over: TRIB TO PEQUEA CREEK

NORTH OF GUY RD, Lancaster, PA

Built 1988 Load: 44.5 t ADT: 100

MCCARTNEY RD

Fair

Over: SLIPPERY ROCK CRK TRIB

037026 LOC IN PERRY TWP, Lawrence, PA

Built 1998 Load: 44.5 t ADT: 100

GRANDVIEW AVENUE

Fair

Over: SHENANGO RIVER TRIBUTARY

214001 1 BLK S OF OAKWOOD, Lawrence, PA

Built 1998 Load: 44.5 t ADT: 1,000

MOUNT JACKSON ROAD

Fair

Over: MAHONING RIVER

150 FT NW OF SR 0018, Lawrence, PA

Built 2001 Load: 44.5 t ADT: 4,423

SR 2014 Furnace rd

Fair

Over: MILL CREEK

SHERIDAN, Lebanon, PA

Built 1927 Load: 44.5 t ADT: 420

GOLF ROAD T-471

Fair

Over: TRIB SWATARA CREEK

2.1S SHIRKSVILLE/TR SWATR, Lebanon, PA

Built 1930 Load: 44.5 t ADT: 200

SR 4014 (LR 39052)

Fair

Over: FELLS CREEK

@ LEDGE ROAD, Lehigh, PA

Built 1983 Load: 44.5 t ADT: 247

SR 0309 TR 309

Fair

Over: LITTLE BLACK CREEK

HAZLE TWP .4 M N TR 940, Luzerne, PA

Built 1928 Load: 44.5 t ADT: 15,032

T-499 ZBICK ROAD

Fair

Over: HARVEYS CREEK

800 FT WEST OF SR 29, Luzerne, PA

Built 1993 Load: 44.5 t ADT: 200

LITTLE BEAR CR. RD

Fair

Over: LITTLE BEAR CREEK

NE OF LOYALSOCKVILLE, Lycoming, PA

Built 2006 Load: 44.5 t ADT: 20

WEST MILL STREET

Fair

Over: ALLEGHENY RIVER

1/2 MILE SW OF US 6, McKean, PA

Built 1992 Load: 44.5 t ADT: 500

T-362 WEST VALLEY

Fair

Over: BREWER RUN

500 FT N OF SAKETT HOLLOW, McKean, PA

Built 1940 Load: 44.5 t ADT: 100

SR 58, MERCER ROAD

Fair

Over: OVER LAWANGO RUN

DELAWARE TOWNSHIP, Mercer, PA

Built 1960 Load: 44.5 t ADT: 3,409

SR 3009

Fair

Over: TOWN RUN

1 MILE NW MCVEYTOWN, Mifflin, PA

Built 1989 Load: 44.5 t ADT: 497

ON TSR 350

Fair

Over: KISHACOQUILLAS CREEK

BELLEVILLE, Mifflin, PA

Built 1941 Load: 44.5 t ADT: 741

SCHUYLKILL EXPRWAY

Fair

Over: ABRAMS RUN/CROW CREEK

K OF PRUSSIA 34C01/3366H7, Montgomery, PA

Built 1950 Load: 44.5 t ADT: 49,444

POTTSTOWN EWAY(EB)

Fair

Over: PERKIOMEN CREEK/3365-H1

SOUTH OF OAKS 27D08, Montgomery, PA

Built 1982 Load: 44.5 t ADT: 30,709

WEST BRANCH ROAD

Fair

Over: W. BR. PERKIOMEN CREEK

NE CORNER 2804C9, Montgomery, PA

Built 1935 Load: 44.5 t ADT: 842

BLAIR MILL ROAD

Fair

Over: BRCH PENNYPACK CR/3259A2

UPPER MORELAND, Montgomery, PA

Built 1958 Load: 44.5 t ADT: 14,560

FLINT HILL ROAD

Fair

Over: MATSUNK CREEK / 3367-H7

UPPER MERION TWP. 35B01, Montgomery, PA

Built 1998 Load: 44.5 t ADT: 1,979

UPPER GULPH ROAD

Fair

Over: OLD GULPH CREEK

3MI.TO ROSEMONT 34K05, Montgomery, PA

Built 1933 Load: 44.5 t ADT: 2,524

SUMNEYTOWN PIKE

Fair

Over: TOWAMENCIN CREEK

1.1 MI NW SR-363 3143-G2, Montgomery, PA

Built 1962 Load: 44.5 t ADT: 19,293

KEITH VALLEY ROAD

Fair

Over: PARK CREEK

1.25 MI NW SR463 3146-C7, Montgomery, PA

Built 1907 Load: 44.5 t ADT: 7,612

GODSHALL ROAD

Fair

Over: LODAL CREEK

1.2MI NW OF SR29 3141-E4, Montgomery, PA

Built 2012 Load: 44.5 t ADT: 250

SR 248 (LR 175)

Fair

Over: TRIB.TO SHOENECK CREEK

0.5 MI.E.OF PA33, Northampton, PA

Built 1960 Load: 44.5 t ADT: 16,752

SR 3018

Fair

Over: OVER MAHANTANGO CR

VILLAGE OF PILLOW, Northumberland, PA

Built 1974 Load: 44.5 t ADT: 425

T-633 TURBOT TWP.

Fair

Over: OVER MUDDY RUN

1.5 MI N OF MILTON BORO, Northumberland, PA

Built 1942 Load: 44.5 t ADT: 650

ARCH ST SHAMOKIN

Fair

Over: CARBON RUN

SHAMOKIN CITY, Northumberland, PA

Built 1994 Load: 44.5 t ADT: 3,100

Showing 6,251-6,300 of 14,867 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.

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.