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 3011

Good

Over: LICKING CREEK

2 MI SW MIFFLIN, Juniata, PA

Built 1947 Load: 42.1 t ADT: 321

SR 1024 Lincoln rd

Good

Over: HAMMER CREEK

0.8 MI.E. BRUNNERVILLE, Lancaster, PA

Built 1974 Load: 42.1 t ADT: 2,469

MIDDLE RD

Good

Over: SOUTH BRANCH MIDDLE CRK

3 MI NE OF MCCLURE BORO, Snyder, PA

Built 1960 Load: 42.1 t ADT: 317

BROWN BRIDGE TR386

Good

Over: CROSS CREEK

1500 SOUTH OF SR 4018, Washington, PA

Built 1938 Load: 42.1 t ADT: 300

CETRONIA ROAD

Good

Over: IRON RUN

NORTH OF TREXLERTOWN, Lehigh, PA

Built 2006 Load: 42.1 t ADT: 500

U.S. 202 PARKWAY

Good

Over: TRIB. LITTLE NESHAMINY C

.1 MI. E. PA-309 3145C03, Montgomery, PA

Built 2010 Load: 42.1 t ADT: 24,839

MOFFET MILL ROAD

Good

Over: RACCOON CREEK

AT SR 3019 INTERSECTION, Beaver, PA

Built 2011 Load: 42.1 t ADT: 248

LITTL GREENLICK RD

Good

Over: LITTLE GREENLICK RUN

7 MI. N. OF GLEASONTOWN, Clinton, PA

Built 2012 Load: 42.1 t ADT: 10

SR 832 STERRETTANA

Good

Over: WALNUT CREEK

MILL CREEK TWP., Erie, PA

Built 2012 Load: 42.1 t ADT: 6,953

Brodhead Rd

Good

Over: Flaugherty Run

@ Interchange w/ SR 3089, Allegheny, PA

Built 2012 Load: 42.1 t ADT: 6,100

SR 1016 BROWN HILL

Good

Over: FEDERAL RUN

BLOOMFIELD TWP, Crawford, PA

Built 2013 Load: 42.1 t ADT: 291

T-986 Old Wash. Rd

Good

Over: Brush Run Tributary

0.1 mi S from SR 0019, Washington, PA

Built 2014 Load: 42.1 t ADT: 500

SR 1006

Good

Over: SR 0119 NB & SB

0.2 Mi E SR 286 Inter., Indiana, PA

Built 2015 Load: 42.1 t ADT: 2,331

SR 0519

Good

Over: Opossum Run

0.1 mi S from SR 0070E, Washington, PA

Built 2013 Load: 42.1 t ADT: 4,879

SR 2029

Good

Over: TAYLOR RUN

0.1 Mi N SR 66 Inter., Armstrong, PA

Built 2015 Load: 42.1 t ADT: 294

SR 220-US 220

Good

Over: SR 2008 AUCTION ROAD

3/4 MILE FROM SR 80 EXIT, Clinton, PA

Built 2015 Load: 42.1 t ADT: 6,690

SR 0467 SH

Good

Over: Wysox Creek

2 MILE SOUTH OF ROME BORO, Bradford, PA

Built 2016 Load: 42.1 t ADT: 1,898

Ferguson Valley Rd

Good

Over: Strodes Run

1 MI NW STRODES MILLS, Mifflin, PA

Built 2016 Load: 42.1 t ADT: 960

SR 0049 SH

Good

Over: California Brook

0.5 MI E OF WESTFIELD, Tioga, PA

Built 2016 Load: 42.1 t ADT: 3,676

Catlin Hollow Rd

Good

Over: Catlin Hollow Creek

3.5 MI NE OF WELLSBORO, Tioga, PA

Built 2016 Load: 42.1 t ADT: 1,686

SR 8005 RAMP E

Good

Over: SR 0080 I-80 WB

BUTLER TWP OVER I-80 WB, Luzerne, PA

Built 2017 Load: 42.1 t ADT: 8,732

Old PhiladelphiaPk

Good

Over: PEQUEA CREEK

1 MI WEST OF CAINS, Lancaster, PA

Built 2018 Load: 42.1 t ADT: 5,316

SR 155-PA 155

Good

Over: Two Mile Run

1 MI N PORT ALLEGHENY, McKean, PA

Built 2017 Load: 42.1 t ADT: 2,867

Honey Creek Road

Good

Over: HONEY CREEK

3 MI NE REEDSVILLE, Mifflin, PA

Built 2017 Load: 42.1 t ADT: 1,021

BIG MOUNT RD

Good

Over: PARADISE CREEK

1 MI NE FARMERS, York, PA

Built 2017 Load: 42.1 t ADT: 1,460

SR 3093

Good

Over: SR 0070

over SR 0070, Westmoreland, PA

Built 2017 Load: 42.1 t ADT: 6,504

Convent Road

Good

Over: Chester Creek

.5MI WEST PA-452 26A3, Delaware, PA

Built 2017 Load: 42.1 t ADT: 1,102

Lesnett Road

Good

Over: McLaughlin Run

100 W of Int. w/ SR 3004, Allegheny, PA

Built 2017 Load: 42.1 t ADT: 8,079

US 22

Good

Over: BRUSH RUN

.25 MI E OF HOLLIDAYSBURG, Blair, PA

Built 2017 Load: 42.1 t ADT: 7,544

W 7TH STREET

Good

Over: CHESTER CREEK

.4 Mi. N of PA-291 35-C1, Delaware, PA

Built 2022 Load: 42.1 t ADT: 4,109

I-95

Good

Over: E COLUMBIA AVENUE

NR.GIRARD AVENUE 3590K06, Philadelphia, PA

Built 2019 Load: 42.1 t ADT: 147,295

CSVT

Good

Over: SR 15

CSVT SB over SR 15, Union, PA

Built 2019 Load: 42.1 t ADT: 300

INTERSTATE 295 WB

Good

Over: Taylorsville Road

0.5 MI N OF YARDLEY BORO, Bucks, PA

Built 2019 Load: 42.1 t ADT: 37,025

BIRCH RUN ROAD

Good

Over: BIRCH RUN

1.6 MI SW OF SR 4009, Adams, PA

Built 2019 Load: 42.1 t ADT: 25

SR 26-PA 26

Good

Over: LICK RUN

HOWARD, Centre, PA

Built 2019 Load: 42.1 t ADT: 2,413

SR2055 WICKIZER RD

Good

Over: HOP BOTTOM CREEK

BROOKLYN TWP 200E TR 167, Susquehanna, PA

Built 2019 Load: 42.1 t ADT: 515

SR 1022

Good

Over: SNAKE CREEK

LIBERTY TWP 1117 E TR 29, Susquehanna, PA

Built 2020 Load: 42.1 t ADT: 252

Doe Run Road

Good

Over: County Line Run

Elk State Forest, McKean, PA

Built 2020 Load: 42.1 t ADT: 10

Dogwood Drive

Good

Over: Little Indian Creek

1.5 MI South of PA 946, Northampton, PA

Built 2020 Load: 42.1 t ADT: 100

West Hicks Run Rd

Good

Over: East Branch Hicks Run

ELK SF, Cameron, PA

Built 2020 Load: 42.1 t ADT: 100

T- 468 DANTZ RUN R

Good

Over: DANTZ RUN

1.7 MI. SE OF ASAPH, Tioga, PA

Built 2020 Load: 42.1 t ADT: 50

SR 0084 I-84 WB

Good

Over: RATTLESNAKE CREEK

DINGMAN TWP 4.9M E TR 739, Pike, PA

Built 2021 Load: 42.1 t ADT: 6,285

DAVIS GROVE ROAD

Good

Over: PARK CREEK

2000 FT NE SR463 3146-C7, Montgomery, PA

Built 2021 Load: 42.1 t ADT: 1,682

INTERSTATE 295 EB

Good

Over: TAYLORSVILLE RD

OVERTAYLORSVILLE RD, Bucks, PA

Built 2021 Load: 42.1 t ADT: 24,112

ALDERFER RD (T423)

Good

Over: BRANCH OF SKIPPACK CREEK

0.1 Mi NE PA-63 3030-K7, Montgomery, PA

Built 2021 Load: 42.1 t ADT: 2,000

LITTLE CREEK ROAD

Good

Over: LITTLE MARTINS CREEK

1 M. NORTH OF PA 611, Northampton, PA

Built 2021 Load: 42.1 t ADT: 150

T-508 OLD STATE RD

Good

Over: Connoquenessing Creek

100 N OF SR 0038, Butler, PA

Built 2021 Load: 42.1 t ADT: 200

SR 2001

Good

Over: TRIB JACKS CREEK

1 MI N MAITLAND, Mifflin, PA

Built 2023 Load: 42.1 t ADT: 1,573

CARMALT RD

Good

Over: CHOCONUT CREEK

AT SR 0267, Susquehanna, PA

Built 2022 Load: 42.1 t ADT: 50

SR 3005

Good

Over: NORTH WITMER RUN

IRVONA BORO, Clearfield, PA

Built 2022 Load: 42.1 t ADT: 416

Showing 17,051-17,100 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.