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

BEAR RUN ROAD

Good

Over: CUSHMAN BRANCH

1/2 MI N OF FRANCIS ROAD, Tioga, PA

Built 2003 Load: 41.7 t ADT: 20

PA 45

Good

Over: OVER SPRUCE RUN

2.5 MI W OF HARTLETON, Union, PA

Built 1991 Load: 41.7 t ADT: 3,017

RAMP B FROM US 6

Good

Over: OVER IRVINE RUN

BROKENSTRAW TOWNSHIP, Warren, PA

Built 1968 Load: 41.7 t ADT: 288

SR 0088

Good

Over: BARNEYS RUN

CENTERVILLE BOROUGH, Washington, PA

Built 1991 Load: 41.7 t ADT: 4,910

BROWNLEE BR(T-472)

Good

Over: BUFFALO CREEK

500 WEST OF SR 3009, Washington, PA

Built 1902 Load: 41.7 t ADT: 100

T369 Wherry School

Good

Over: Little Daniels Run

200 WEST OF SR 2011, Washington, PA

Built 1907 Load: 41.7 t ADT: 50

SR 1026

Good

Over: Norfolk Sothern Railway

UNITY TOWNSHIP, Westmoreland, PA

Built 1991 Load: 41.7 t ADT: 5,493

10TH STREET

Good

Over: VINE STREET EXPRESSWAY

VINE ST EXPRESSWAY3590F07, Philadelphia, PA

Built 1990 Load: 41.7 t ADT: 8,701

CHESTNUT STREET

Good

Over: 24TH STREET

.8MI.W.CITY HALL 3590B08, Philadelphia, PA

Built 1864 Load: 41.7 t ADT: 8,190

T314 BARK SHNTY RD

Good

Over: FREEMAN RUN

200 FT WEST OF SR 872, Potter, PA

Built 1995 Load: 41.7 t ADT: 80

SR 227 CHERRY RUN

Good

Over: OVER CHERRY RUN

CORNPLANTER TOWNSHIP, Venango, PA

Built 1997 Load: 41.7 t ADT: 917

SR 0081 I-81 SB

Good

Over: RR & ROARING BK &MILL ST

DUNMORE BORO 1.5M N TR307, Lackawanna, PA

Built 1996 Load: 41.7 t ADT: 34,172

SR 258 LAKE ROAD

Good

Over: OVER LACAWANNOCK CREEK

JEFFERSON TOWNSHIP, Mercer, PA

Built 1997 Load: 41.7 t ADT: 931

PA 863 (LR 39066)

Good

Over: ONTELAUNEE CREEK

LYNNPORT BRIDGE, Lehigh, PA

Built 1998 Load: 41.7 t ADT: 330

SR 80 EB

Good

Over: OVER SR 2007 T-439 & RR

PINE TOWNSHIP, Mercer, PA

Built 1998 Load: 41.7 t ADT: 12,564

TR6 RAMP EB

Good

Over: RAMP LSE TO I-84 EB RR

ROARING BK TP .2 M E I-81, Lackawanna, PA

Built 1998 Load: 41.7 t ADT: 12,496

SR 0084 I-84 WB

Good

Over: SR 8024 & RAILROAD

DUNMORE BO OVER SR 8024, Lackawanna, PA

Built 1998 Load: 41.7 t ADT: 23,266

SR 80 WB

Good

Over: OVER SR 2007 T-439 & RR

PINE TOWNSHIP, Mercer, PA

Built 1999 Load: 41.7 t ADT: 12,866

SR 0079

Good

Over: SR 1009 Pitt & Ohio R/R

NORTH STRABANE TOWNSHIP, Washington, PA

Built 1996 Load: 41.7 t ADT: 25,471

T-718 PINE RUN CH

Good

Over: LITTLE SANDY CREEK

0.1 MILE SOUTH OF SR 3031, Jefferson, PA

Built 1999 Load: 41.7 t ADT: 40

PA 54

Good

Over: NORTH BRANCH SUSQ RIVER

DANVILLE RIVER BRIDGE, Montour, PA

Built 2000 Load: 41.7 t ADT: 10,761

SR 0018

Good

Over: TENMILE CREEK

CENTER TWP, Greene, PA

Built 2000 Load: 41.7 t ADT: 5,962

SR 445-PA 445

Good

Over: ROARING RUN

5 MI N MADISONBURG, Centre, PA

Built 2000 Load: 41.7 t ADT: 715

SR 1007

Good

Over: OVER STONY BROOK

1 MI.NORTH OF LIGHTSTREET, Columbia, PA

Built 2000 Load: 41.7 t ADT: 126

SR 15 SOUTHBOUND

Good

Over: SR 2026

TOWN OF BLOSSBURG, Tioga, PA

Built 2000 Load: 41.7 t ADT: 5,663

I-78 WB (LR 1045)

Good

Over: SR 2014(LR 48090)

W.B.OVER REDINGTON RD., Northampton, PA

Built 2000 Load: 41.7 t ADT: 26,739

US 22/322 EB

Good

Over: SR 0325 & Trib Susquehan

WEST OF CLARKS FERRY, Dauphin, PA

Built 1999 Load: 41.7 t ADT: 26,930

ALMSHOUSE ROAD

Good

Over: BRANCH LITTLE NESHAMINY

.1MI E WARRINGTON 29G09, Bucks, PA

Built 2001 Load: 41.7 t ADT: 11,434

SR 15 FUTURE NB

Good

Over: TWP ROAD 493

1 MI S. OF MANSFIELD, Tioga, PA

Built 2001 Load: 41.7 t ADT: 5,424

WOODLAND ROAD

Good

Over: KERSHNER CREEK

SOUTH OF HAMBURG, Berks, PA

Built 2001 Load: 41.7 t ADT: 860

SR 2020

Good

Over: OTTER CREEK

1 MI.N.W. OF GORAM, York, PA

Built 2001 Load: 41.7 t ADT: 289

SR 3012

Good

Over: CLEARFIELD CREEK

COALPORT, Clearfield, PA

Built 2002 Load: 41.7 t ADT: 333

T-748

Good

Over: BULLARD CREEK

2.7 MI. N. OF NORTH ROME, Bradford, PA

Built 2002 Load: 41.7 t ADT: 50

BRIDGE 1917 T-496

Good

Over: OVER MAGARGEE RUN

CLAYFURNACE RD JEFFERSON, Mercer, PA

Built 2002 Load: 41.7 t ADT: 155

SR 2004

Good

Over: FISHING CREEK

MACKEYVILLE, Clinton, PA

Built 2002 Load: 41.7 t ADT: 847

SR 1031

Good

Over: JACOBS CREEK

SCOTTDALE&U TYRONE TWP., Fayette, PA

Built 2002 Load: 41.7 t ADT: 641

RINEHART ROAD

Good

Over: JOB CREEK

JACKSON TOWNSHIP, Greene, PA

Built 2002 Load: 41.7 t ADT: 50

PA TPK (TOLL 43)

Good

Over: SR 1020

.8MI. N. OF DONORA INT., Washington, PA

Built 1999 Load: 41.7 t ADT: 5,633

PA TPK (TOLL 43)

Good

Over: SR0051 PETERS CK W&LE RR

RAMP W OVER SR0051, Allegheny, PA

Built 2002 Load: 41.7 t ADT: 3,777

PA TPK (TOLL 43)

Good

Over: SR88&1087 W&LE CK

0.75MI. N OF SR136 INT., Washington, PA

Built 2000 Load: 41.7 t ADT: 5,533

LOCUST STREET

Good

Over: RR/CONSTITUTION BLVD

BTW 11TH AND KENNETH AVE, Westmoreland, PA

Built 2003 Load: 41.7 t ADT: 3,815

SR 1023

Good

Over: CLEARFIELD CREEK

.5 MI.S.OF FALLENTIMBER, Cambria, PA

Built 2003 Load: 41.7 t ADT: 216

US 30 SR 0030

Good

Over: WILLOUGHBY RUN

1.5 MI.W.OF GETTYSBURG, Adams, PA

Built 2003 Load: 41.7 t ADT: 9,983

CLYDE ST EXT

Good

Over: HICKORY RUN

1/4 MI. S.E. OF SR 0108, Lawrence, PA

Built 2004 Load: 41.7 t ADT: 1,256

PA 56

Good

Over: US 219

OVER TR 219 AT SR 8005, Cambria, PA

Built 2004 Load: 41.7 t ADT: 24,029

SR 3020

Good

Over: TRIB. TO BEAVER CREEK

3 MI.N.W.HUMMELSTOWN, Dauphin, PA

Built 2004 Load: 41.7 t ADT: 6,363

SR3021

Good

Over: WOLFE RUN

KROCHTA BRIDGE, Butler, PA

Built 2004 Load: 41.7 t ADT: 2,553

SR 3077

Good

Over: BRUSH CREEK

HEMPFIELD TOWNSHIP, Westmoreland, PA

Built 2005 Load: 41.7 t ADT: 4,345

SR 22-US 22

Good

Over: SR 3002

LEWISTOWN BY-PASS, Mifflin, PA

Built 2005 Load: 41.7 t ADT: 3,784

T-562 OLD STATE RD

Good

Over: MILL CREEK

2.3 mi SE int. w/ SR1001, Clarion, PA

Built 2004 Load: 41.7 t ADT: 50

Showing 16,901-16,950 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.