State profile · Above median Poor share

Pennsylvania bridge safety

According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Pennsylvania.

23,299
Public bridges
34.0%
Good condition
12.6%
Poor condition

Pennsylvania holds 23,299 public highway bridges (#8 of 52 by inventory) with a 12.58% Poor share (#7 of 52 by Poor share).

That is 12.6% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 46 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.

Inventory: FHWA NBI 2024 · last ETL August 2026

Total Bridges

23,299

Public highway bridges in Pennsylvania

Good Condition

34.0%

7,915 bridges rated 7-9

-16.0pp vs 50% benchmark

Poor Condition

12.6%

2,932 bridges whose lowest applicable component is rated 0-4

5.1pp vs national avg 7.5%

Pennsylvania vs national bridge condition

Pennsylvania - Good condition share 34.0%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Pennsylvania - Poor-condition share 41.9%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.

Pennsylvania in the national condition pattern

Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.

Inventory size and Poor-condition share are different measures: Pennsylvania has 23,299 bridges and a 12.6% Poor-condition share in the 2024 NBI, rank #46 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold. Scatter plot of 54 data points. 0%10%20%30%40% 0k20k40k60k Public bridges in inventory (thousands) Poor-condition share (%) PA, Public bridges in inventory (thousands): 23.3k · Poor-condition share (%): 12.58%AL, Public bridges in inventory (thousands): 16.2k · Poor-condition share (%): 3.35%AK, Public bridges in inventory (thousands): 1.7k · Poor-condition share (%): 7.89%AZ, Public bridges in inventory (thousands): 8.6k · Poor-condition share (%): 1.15%AR, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 5.43%CA, Public bridges in inventory (thousands): 25.8k · Poor-condition share (%): 5.91%CO, Public bridges in inventory (thousands): 9k · Poor-condition share (%): 4.82%CT, Public bridges in inventory (thousands): 4.4k · Poor-condition share (%): 4.72%DE, Public bridges in inventory (thousands): 0.9k · Poor-condition share (%): 1.26%DC, Public bridges in inventory (thousands): 0.3k · Poor-condition share (%): 1.95%FL, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 2.79%GA, Public bridges in inventory (thousands): 15.1k · Poor-condition share (%): 1.59%GU, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 12.77%HI, Public bridges in inventory (thousands): 1.2k · Poor-condition share (%): 6.53%ID, Public bridges in inventory (thousands): 4.6k · Poor-condition share (%): 4.9%IL, Public bridges in inventory (thousands): 26.9k · Poor-condition share (%): 9.35%IN, Public bridges in inventory (thousands): 19.5k · Poor-condition share (%): 5.22%IA, Public bridges in inventory (thousands): 23.7k · Poor-condition share (%): 19.16%KS, Public bridges in inventory (thousands): 24.9k · Poor-condition share (%): 5.26%KY, Public bridges in inventory (thousands): 14.5k · Poor-condition share (%): 7.37%LA, Public bridges in inventory (thousands): 12.7k · Poor-condition share (%): 11.48%ME, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 15.41%MD, Public bridges in inventory (thousands): 5.5k · Poor-condition share (%): 4.56%MA, Public bridges in inventory (thousands): 5.3k · Poor-condition share (%): 8.88%MI, Public bridges in inventory (thousands): 11.4k · Poor-condition share (%): 11.27%MN, Public bridges in inventory (thousands): 13.5k · Poor-condition share (%): 4.44%MS, Public bridges in inventory (thousands): 16.7k · Poor-condition share (%): 6.03%MO, Public bridges in inventory (thousands): 24.6k · Poor-condition share (%): 8.95%MT, Public bridges in inventory (thousands): 5.2k · Poor-condition share (%): 6.81%NE, Public bridges in inventory (thousands): 15.4k · Poor-condition share (%): 7.9%NV, Public bridges in inventory (thousands): 2.1k · Poor-condition share (%): 1.14%NH, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 7.51%NJ, Public bridges in inventory (thousands): 6.8k · Poor-condition share (%): 6.01%NM, Public bridges in inventory (thousands): 4k · Poor-condition share (%): 4.51%NY, Public bridges in inventory (thousands): 17.6k · Poor-condition share (%): 9.43%NC, Public bridges in inventory (thousands): 19.2k · Poor-condition share (%): 6.76%ND, Public bridges in inventory (thousands): 4.3k · Poor-condition share (%): 10.98%OH, Public bridges in inventory (thousands): 26.7k · Poor-condition share (%): 4.74%OK, Public bridges in inventory (thousands): 22.9k · Poor-condition share (%): 7.7%OR, Public bridges in inventory (thousands): 8.3k · Poor-condition share (%): 4.61%PR, Public bridges in inventory (thousands): 2.4k · Poor-condition share (%): 13.92%RI, Public bridges in inventory (thousands): 0.8k · Poor-condition share (%): 15.2%SC, Public bridges in inventory (thousands): 9.5k · Poor-condition share (%): 6.17%SD, Public bridges in inventory (thousands): 5.9k · Poor-condition share (%): 16.36%TN, Public bridges in inventory (thousands): 20.4k · Poor-condition share (%): 4.41%TX, Public bridges in inventory (thousands): 56.7k · Poor-condition share (%): 1.23%UT, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 2.91%VT, Public bridges in inventory (thousands): 2.9k · Poor-condition share (%): 2.9%VI, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 29.17%VA, Public bridges in inventory (thousands): 14.1k · Poor-condition share (%): 3.39%WA, Public bridges in inventory (thousands): 8.5k · Poor-condition share (%): 5.45%WV, Public bridges in inventory (thousands): 7.3k · Poor-condition share (%): 18.64%WI, Public bridges in inventory (thousands): 14.4k · Poor-condition share (%): 6.52%WY, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 6.51%
Inventory size and Poor-condition share are different measures: Pennsylvania has 23,299 bridges and a 12.6% Poor-condition share in the 2024 NBI, rank #46 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold.

Pennsylvania vs all states by public bridge inventory

Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges

23,299 8th of 54 higher than 46 of 54 states

States and territories, banded by public bridge inventory size

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · 2024

Read the rank neighborhood for Pennsylvania

The highlighted point is Pennsylvania: 23,299 bridges and 12.58% in Poor condition, rank #46 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Pennsylvania on that same Poor-share ordering:

  • Michigan: 11,371 bridges · 11.27% Poor
  • Louisiana: 12,698 bridges · 11.48% Poor
  • Pennsylvania: 23,299 bridges · 12.58% Poor
  • Guam: 47 bridges · 12.77% Poor
  • Puerto Rico: 2,385 bridges · 13.92% Poor

The full national sortable table lives on the rankings page.

Material families in Pennsylvania

Exclusive FHWA material families across all 23,299 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.

Who maintains Pennsylvania’s inventory

State agency holds 70.3% of the 23,299 public highway bridges filed under Pennsylvania in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.

When Pennsylvania’s bridges were built

Pre-1950 construction accounts for 24.8% of the 23,299 bridges with a recorded original year in Pennsylvania. Era bands are orthogonal to the Poor-share ranking above.

Condition Distribution

Pennsylvania34%53.4%12.6%GoodFairPoor
Bridge inventory deck-condition mix - Pennsylvania (FHWA NBI)

Counties (67)

Adams 254 Allegheny 1294 Armstrong 263 Beaver 299 Bedford 417 Berks 667 Blair 338 Bradford 399 Bucks 699 Butler 378 Cambria 284 Cameron 62 Carbon 134 Centre 367 Chester 680 Clarion 172 Clearfield 292 Clinton 212 Columbia 271 Crawford 399 Cumberland 348 Dauphin 449 Delaware 387 Elk 127 Erie 442 Fayette 422 Forest 71 Franklin 294 Fulton 159 Greene 306 Huntingdon 238 Indiana 301 Jefferson 202 Juniata 169 Lackawanna 363 Lancaster 801 Lawrence 265 Lebanon 228 Lehigh 381 Luzerne 457 Lycoming 482 McKean 226 Mercer 438 Mifflin 196 Monroe 315 Montgomery 828 Montour 108 Northampton 356 Northumberland 299 Perry 183 Philadelphia 585 Pike 158 Potter 207 Schuylkill 368 Snyder 161 Somerset 454 Sullivan 119 Susquehanna 284 Tioga 429 Union 163 Venango 189 Warren 217 Washington 655 Wayne 259 Westmoreland 620 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

11.27% top marginal rate
Structure
Progressive
Burden @ $100K
$11,371

LA

Louisiana

11.48% top marginal rate
Structure
Progressive
Burden @ $100K
$12,698
Selected

PA

Pennsylvania

12.58% top marginal rate
Structure
Progressive
Burden @ $100K
$23,299

GU

Guam

12.77% top marginal rate
Structure
Progressive
Burden @ $100K
$47

PR

Puerto Rico

13.92% top marginal rate
Structure
Progressive
Burden @ $100K
$2,385

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.

BLVD OF THE ALLIES

Poor

Over: CSX RR & BIKE TRAIL

005 Charles Anderson Brid, Allegheny, PA

Built 1938 Load: 0.0 t ADT: 21,211

TIMBERLAND AV

Poor

Over: SAW MILL RUN CREEK

113 Timberland Ave, Allegheny, PA

Built 1909 Load: 0.0 t ADT: 30

FREMONT ST

Poor

Over: GIRTYS RUN

FREMONT 25 FROM NORTH AV, Allegheny, PA

Built 1911 Load: 0.0 t ADT: 50

OLD WILLIAMPENN HW

Poor

Over: THOMPSON RUN CREEK

446002 OLD WM PENN HGWY, Allegheny, PA

Built 1900 Load: 0.0 t ADT: 300

FALLSTON BR

Poor

Over: BEAVER RIVER

004026 FALLSTON BRIDGE, Beaver, PA

Built 1884 Load: 0.0 t ADT: 6,523

ELEVENTH AVENUE ET

Poor

Over: BLOCKHOUSE RUN

423005 100 YD /13 ST INT, Beaver, PA

Built 1925 Load: 0.0 t

All Bridges in Pennsylvania

SR 1016

Good

Over: Little Whitely Creek

CUMBERLAND TOWNSHIP, Greene, PA

Built 2019 Load: 38.2 t ADT: 150

US 22

Good

Over: CANOE CREEK

AT CANOE CREEK, Blair, PA

Built 2019 Load: 38.2 t ADT: 7,746

PA 741; SR 0741

Good

Over: Trib. To Londonland Run

3.5 MI. E. STRASBURG BORO, Lancaster, PA

Built 2020 Load: 38.2 t ADT: 5,630

SR 2016

Good

Over: RHOADS CREEK

1.3 MI.S.OF ROCKWOOD, Somerset, PA

Built 2021 Load: 38.2 t ADT: 717

ARDMORE AVENUE

Good

Over: SEPTA (P&W)

WEST HAVERFORD RD. 26E03, Delaware, PA

Built 2020 Load: 38.2 t ADT: 11,804

YOST ROAD

Good

Over: TRIB. OF STONEY CREEK

1/2 MI W U.S. 202 3256-A5, Montgomery, PA

Built 2020 Load: 38.2 t ADT: 1,300

SR 322- US 322

Good

Over: SR 2015

1 MI W POTTERS MILLS E.B., Centre, PA

Built 2020 Load: 38.2 t ADT: 7,254

MT. ALVERNO ROAD

Good

Over: CHESTER CREEK

.1MI E PA-452 ADC 26-B4, Delaware, PA

Built 2022 Load: 38.2 t ADT: 2,511

SR 1006 Main st.

Good

Over: Phillaman Run

SCOTLAND, Franklin, PA

Built 2022 Load: 38.2 t ADT: 2,301

SR 0070

Good

Over: SR 3010 & Lick Run

SOUTH HUNTINGDON TOWNSHIP, Westmoreland, PA

Built 2022 Load: 38.2 t ADT: 27,178

SR 0706 TR 706

Good

Over: Branch Wyalusing Creek

RUSH TWP .6 M E TR 858, Susquehanna, PA

Built 2022 Load: 38.2 t ADT: 2,236

SR 1022

Good

Over: UNT to HAMMOND CREEK

0.5 MI N OF MILLERTON, Tioga, PA

Built 2022 Load: 38.2 t ADT: 131

SR 79 NB

Good

Over: PA Turnpike I-576 Ramp

Cecil Township, Washington, PA

Built 2021 Load: 38.2 t ADT: 44,834

E-HOOKSTOWN RD

Good

Over: RACCOON CREEK

004036 LINKS BRIDGE, Beaver, PA

Built 2007 Load: 38.6 t ADT: 117

SR 2017(LR 06152)

Good

Over: SCHUYLKILL RIVER

GIBRALTAR, Berks, PA

Built 1974 Load: 38.6 t ADT: 5,917

WILLOW ROAD

Good

Over: IRONWORKS CREEK

3148 J9 ADC, Bucks, PA

Built 1962 Load: 38.6 t ADT: 412

VALLEY FORGE ROAD

Good

Over: PICKERING CREEK

NEAR PHOENIXVILLE 15H7, Chester, PA

Built 1967 Load: 38.6 t ADT: 17,642

CHURCHILL RD T324

Good

Over: SR 224

1000 FT N OF W MAIN ST, Lawrence, PA

Built 1938 Load: 38.6 t ADT: 781

SR 49-PA 49

Good

Over: N.BR. COWANESQUE RIVER

HARRISON VALLEY, Potter, PA

Built 1952 Load: 38.6 t ADT: 1,802

SMITH BRIDGE

Good

Over: BUFFALO CREEK

300 WEST OF SR 3009, Washington, PA

Built 1910 Load: 38.6 t ADT: 40

US 322; 28th div.

Good

Over: Conestoga River

0.5 mi.N.W. of Hinkletown, Lancaster, PA

Built 2001 Load: 38.6 t ADT: 17,473

SR2075 Luurel rd.

Good

Over: N.BR.MUDDY CREEK

LAUREL, York, PA

Built 2004 Load: 38.6 t ADT: 198

Raccoon Creek Road

Good

Over: RACCOON CREEK

400 North of TR 861, Washington, PA

Built 2007 Load: 38.6 t ADT: 65

KERAGA ROAD

Good

Over: MESHOPPEN CREEK

0.7 MI. NW OF LEMON, Wyoming, PA

Built 2007 Load: 38.6 t ADT: 50

SR 0060 NB

Good

Over: WEST END

BTWN MAIN AND STEUBEN STS, Allegheny, PA

Built 2008 Load: 38.6 t ADT: 7,697

SR 8009 RAMP H

Good

Over: CAMPBELL RUN RD AND RUN

79/376 INTERCHANGE, Allegheny, PA

Built 2008 Load: 38.6 t ADT: 5,788

SR 78

Good

Over: PORT CLINTON AVE.

HAMBURG, Berks, PA

Built 2007 Load: 38.6 t ADT: 49,583

LOCKSLEY ROAD

Good

Over: CHESTER CREEK

2.5 Mi. SE PA-926 17-F5, Delaware, PA

Built 2008 Load: 38.6 t ADT: 450

SR 4016

Good

Over: Turnpike 43

0.5 MI E of SR 40, Fayette, PA

Built 2008 Load: 38.6 t ADT: 524

SR 0366

Good

Over: Pucketa Creek

2.45 MI E FROM PA56, Westmoreland, PA

Built 2008 Load: 38.6 t ADT: 9,956

T515 TROUT RUN LN

Good

Over: SPRUCE CREEK

0.5 MI NE OF SPRUCE CREEK, Huntingdon, PA

Built 2010 Load: 38.6 t ADT: 103

FAIRVIEW SCHOOL RD

Good

Over: HELL RUN

0.5 MI EAST OF SR 2022, Lawrence, PA

Built 2011 Load: 38.6 t ADT: 176

Seventh Street

Good

Over: ALLEGHENY RIVER

350 East of SR0044, Potter, PA

Built 2011 Load: 38.6 t ADT: 507

SR 2045

Good

Over: Twomile Run

1.6 mi S from SR 0030, Westmoreland, PA

Built 2011 Load: 38.6 t ADT: 24

US 219

Good

Over: EMEIGH RUN

EMEIGH, Cambria, PA

Built 2011 Load: 38.6 t ADT: 2,370

SR 3012;Jack Rd.

Good

Over: Back Creek

4 Mi. SE of St. Thomas, Franklin, PA

Built 2011 Load: 38.6 t ADT: 1,652

SR 0338

Good

Over: BEAVER CREEK

0.5mi. SW SR 80, Clarion, PA

Built 2011 Load: 38.6 t ADT: 1,356

SR 4022

Good

Over: LITTLE SHAMOKIN CREEK

2 MI SW OF AUGUSTAVILLE, Northumberland, PA

Built 2011 Load: 38.6 t ADT: 258

SR 0403

Good

Over: BLACKLICK CREEK

1mi N SR 22 Intersec., Indiana, PA

Built 2011 Load: 38.6 t ADT: 1,511

T-323 EVERGRN MILL

Good

Over: LITTL CONNOQUENESSING CR

0.25 MI NW SR 3027, Butler, PA

Built 2011 Load: 38.6 t ADT: 750

US 209; SR 0209

Good

Over: WICONISCO CREEK

1.5 MI.E. OF WILLIAMSTOWN, Dauphin, PA

Built 2011 Load: 38.6 t ADT: 4,158

SR 3025

Good

Over: SR 0079 NB & SB

0.5 Mi W SR 19 Intersect., Butler, PA

Built 2011 Load: 38.6 t ADT: 8,694

SR 2019

Good

Over: SHAFFERS RUN

0.5 MI. N OF FAIRHOPE, Somerset, PA

Built 2012 Load: 38.6 t ADT: 136

Bull Run Rd(T-999)

Good

Over: Cox Run

SE of Exit 26, Fayette, PA

Built 2011 Load: 38.6 t ADT: 200

T-301 (RIVER ROAD)

Good

Over: SPRING CREEK

400 FT S OF SR 3002 INT, Elk, PA

Built 2013 Load: 38.6 t ADT: 200

I-0080 WBL

Good

Over: DELAWARE & HUDSON RR

0.2 Mi W of Mifflinville, Columbia, PA

Built 2012 Load: 38.6 t ADT: 28,085

SR 2002 FOREST RD

Good

Over: TOMS RUN

BARNETT TWP, Forest, PA

Built 2012 Load: 38.6 t ADT: 667

SR 49-PA 49

Good

Over: COWANESQUE CREEK

MILLS, Potter, PA

Built 2012 Load: 38.6 t ADT: 1,391

SR 44-PA 44

Good

Over: OSWAYO CREEK

SHINGLEHOUSE BORO, Potter, PA

Built 2012 Load: 38.6 t ADT: 2,217

LINCOLN HIGHWAY

Good

Over: ELECTRIC AVE.

.5 MI.W. WESTINGHOUSE BR., Allegheny, PA

Built 2012 Load: 38.6 t ADT: 8,491

Showing 15,551-15,600 of 23,299 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.

What to do with this

Use Pennsylvania's inventory picture to drill to a county or a specific span.

  • Browse counties in Pennsylvania and open the highest-Poor shares first. County list
  • See where this state sits among peers on Poor-condition share. State rankings
  • Compare this state with another jurisdiction on the same measures. State compare

NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Pennsylvania Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.