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

S Main St. (T-790)

Good

Over: Toby Creek

OLD RT 11 KINGSTON TWP, Luzerne, PA

Built 2017 Load: 33.0 t ADT: 200

Lairdsville Road

Good

Over: Big Run

VILLAGE OF LAIRDSVILLE, Lycoming, PA

Built 2016 Load: 33.0 t ADT: 3,176

FR 614

Good

Over: SUGAR RUN

0.1 MI S OF PA RT 321, McKean, PA

Built 1972 Load: 33.0 t ADT: 50

SR 2002,LEESBRG RD

Good

Over: HUNTER RUN

SPRINGFIELD TWP., Mercer, PA

Built 2014 Load: 33.0 t ADT: 1,010

SR 0903 SH

Good

Over: KEIPER RUN CREEK

0.33 MI. W. Of PA 115, Monroe, PA

Built 2016 Load: 33.0 t ADT: 7,076

KEEBLER ROAD(T300)

Good

Over: ABRAMS CREEK

.35 MI SW Rt 23 3366-J5, Montgomery, PA

Built 1960 Load: 33.0 t ADT: 5,625

SALFORDVILLE ROAD

Good

Over: EAST BR. PERKIOMEN CREEK

.75 MI. W. PA113 3030D07, Montgomery, PA

Built 2012 Load: 33.0 t ADT: 3,647

EAST MILL ROAD

Good

Over: SUNNYBROOK CREEK

3369-G3 ADC 2008, Montgomery, PA

Built 2013 Load: 33.0 t ADT: 6,716

LUTHERAN ROAD

Good

Over: UNNAMED TRIB. MINISTER C

0.3 Mi E SR663; 3027-H3, Montgomery, PA

Built 2022 Load: 33.0 t ADT: 822

Boyles Run Rd

Good

Over: Boile Run

.25 MI E OF FISHERS FERRY, Northumberland, PA

Built 2017 Load: 33.0 t ADT: 221

NARROW GAUGE TRAIL

Good

Over: HORSE VALLEY RUN

TOBOYNE TOWNSHIP, Perry, PA

Built 2018 Load: 33.0 t ADT: 100

Coudersport Pike

Good

Over: Wildcat Creek

SHARON CENTER, Potter, PA

Built 2017 Load: 33.0 t ADT: 1,857

SR 3007

Good

Over: MIDDLE CREEK

2 MI WEST MIDDLEBURG, Snyder, PA

Built 2012 Load: 33.0 t ADT: 81

SR 4023

Good

Over: BEAVER DAM CREEK

0.6 MI. NORTH OF SR 30, Somerset, PA

Built 2023 Load: 33.0 t ADT: 603

SR 0267 SH

Good

Over: Stonestreet Creek

Forst Lke TP .8M N SR4012, Susquehanna, PA

Built 2016 Load: 33.0 t ADT: 1,508

Martin Road

Good

Over: Over Two Mile Run

3.5 miles north of SR 8, Venango, PA

Built 2011 Load: 33.0 t ADT: 100

BR#29 WANGUM T-367

Good

Over: MIDDLE CREEK

PAUPACK TWP 1.4M E SR3031, Wayne, PA

Built 2016 Load: 33.0 t ADT: 65

SR 0381

Good

Over: INDIAN CREEK

DONEGAL TOWNSHIP, Westmoreland, PA

Built 1962 Load: 33.0 t ADT: 343

SR 4033

Good

Over: TURTLE CREEK

MUNICIPAL OF MURRYSVILLE, Westmoreland, PA

Built 2005 Load: 33.0 t ADT: 10,531

SR 3012

Good

Over: Sewickley Creek

Yukon, Westmoreland, PA

Built 2006 Load: 33.0 t ADT: 522

PA 94; SR 0094

Good

Over: TRIB S BR CONEWAGO CREEK

W.END HANOVER, York, PA

Built 2011 Load: 33.0 t ADT: 22,501

SR 1003

Good

Over: PA TPK (I-76)

Fairview Twp/SR 1003, York, PA

Built 2013 Load: 33.0 t ADT: 4,932

SR 2021 Ducktown

Good

Over: KREUTZ CREEK

1.5 MILE SE OF HALLAM, York, PA

Built 2017 Load: 33.0 t ADT: 841

SR 3120 Access Rd

Good

Over: Mill Creek

1.1 MI EAST OF YORK CITY, York, PA

Built 2017 Load: 33.0 t ADT: 1,124

SR 4070

Good

Over: PA TPK (I-76)

East of Butler Valley Int, Allegheny, PA

Built 2013 Load: 33.4 t ADT: 4,546

GUYS RUN RD

Good

Over: GUYS RUN

1/2 MI. N. of SR 28, Allegheny, PA

Built 2016 Load: 33.4 t ADT: 3,661

MORROW RD (SR3008)

Good

Over: MCLAUGHLIN RUN

200'W.OF INTER.W/SR 3004, Allegheny, PA

Built 2017 Load: 33.4 t ADT: 2,862

SR 0066

Good

Over: TAYLOR RUN

6 MI S FORD CITY, Armstrong, PA

Built 2013 Load: 33.4 t ADT: 2,201

Lancaster Road

Good

Over: Camp Run

850' E of Int. Camp Run R, Beaver, PA

Built 2016 Load: 33.4 t ADT: 73

SR 2015

Good

Over: SWEET ROOT CREEK

2 MI SE OF RAINSBURG, Bedford, PA

Built 2018 Load: 33.4 t ADT: 289

SR 4017

Good

Over: Muddy Creek

750ft N SR 422 Intersect., Butler, PA

Built 2018 Load: 33.4 t ADT: 687

SR 4009

Good

Over: FOX RUN

NORTHERN CAMBRIA BORO, Cambria, PA

Built 2014 Load: 33.4 t ADT: 976

T-468 ROSS HILL RD

Good

Over: PENNS CREEK

50 FT WEST OF SR 2012, Centre, PA

Built 2013 Load: 33.4 t ADT: 272

WALKER ROAD (T431)

Good

Over: TROUT CREEK

0.5Mi W PA-252 3366-A8, Chester, PA

Built 2016 Load: 33.4 t ADT: 2,372

LR 62

Good

Over: SAW MILL RUN

BURNSIDE, Clearfield, PA

Built 2011 Load: 33.4 t ADT: 884

SR 285,3RD ST.

Good

Over: OVER ADSIT RUN

SADSBURY TOWNSHIP, Crawford, PA

Built 1959 Load: 33.4 t ADT: 2,334

SR 173,W.ADAM ST

Good

Over: OVER FRENCH CREEK

FAIRFIELD TWP, Crawford, PA

Built 2015 Load: 33.4 t ADT: 3,958

SR 641 Newville Rd

Good

Over: Conodoguinet Creek

0.3 MI WEST OF LR 21062, Cumberland, PA

Built 2015 Load: 33.4 t ADT: 2,212

Straight Creek Rd

Good

Over: Straight Creek

Elk State Forest, Elk, PA

Built 2019 Load: 33.4 t ADT: 10

SR 3014

Good

Over: TR.LITTLE ELK CK.

GIRARD TOWNSHIP, Erie, PA

Built 2010 Load: 33.4 t ADT: 452

Breakneck Rd

Good

Over: Branch of Breakneck Run

0.5 M. East of SR 1019, Fayette, PA

Built 2017 Load: 33.4 t ADT: 845

SR 62,HUNTER STA.

Good

Over: OVER ALLEGHENY RIVER

TIONESTA TOWNSHIP, Forest, PA

Built 2017 Load: 33.4 t ADT: 969

Montgomery Trail

Good

Over: Trout Run

Lurgan Twp, Franklin, PA

Built 2019 Load: 33.4 t ADT: 30

T-344,BarnettsRnRd

Good

Over: Barnetts Run

2.0 MI SW of Needmore, Fulton, PA

Built 2016 Load: 33.4 t ADT: 30

PA 35

Good

Over: TROUGH SPRING BRANCH

0.5 MILE SOUTH OF SR 2008, Huntingdon, PA

Built 2012 Load: 33.4 t ADT: 767

T613 OLD RTE 22 RD

Good

Over: ROBINSON RUN

2.5 MI S OF ALEXANDRIA, Huntingdon, PA

Built 2013 Load: 33.4 t ADT: 785

PA 913

Good

Over: SHOUP RUN

91 FEET WEST FROM SR 3013, Huntingdon, PA

Built 2015 Load: 33.4 t ADT: 2,043

PA 913

Good

Over: GREAT TROUGH CREEK

.4 M.E.SR3019,ROBERTSDALE, Huntingdon, PA

Built 2020 Load: 33.4 t ADT: 1,527

Clarksburg Rd

Good

Over: Marshall Run

Conemaugh Township, Indiana, PA

Built 2017 Load: 33.4 t ADT: 402

SR 0081 - I-81 NB

Good

Over: RR & STAFFORD MEADOW BR

SCRANTON CTY 2M N SR 3016, Lackawanna, PA

Built 2012 Load: 33.4 t ADT: 31,370

Showing 8,301-8,350 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.