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

PA 403

Good

Over: STONYCREEK RIVER

0.13 MILE SOUTH OF PA 56, Cambria, PA

Built 2012 Load: 37.6 t ADT: 6,440

SR 4003(LR45039)

Good

Over: LEHIGH RIVER

LACKAWANNA COUNTY LINE, Monroe, PA

Built 2012 Load: 37.6 t ADT: 2,869

PA 116; YORK RD.

Good

Over: CODORUS CREEK

WEST END OF SPRING GROVE, York, PA

Built 2013 Load: 37.6 t ADT: 11,428

SR 3035

Good

Over: TWO LICK CREEK

2 MI S SR 4422 INTER., Indiana, PA

Built 2013 Load: 37.6 t ADT: 2,153

PANGBURN HOLLOW RD

Good

Over: PERRYMILL RUN

PG04 PANGBURN HOLLOW #4, Allegheny, PA

Built 2012 Load: 37.6 t ADT: 633

SR 1004

Good

Over: BEAVERDAM CREEK

DAMASCUS TWP @ JCT TR 371, Wayne, PA

Built 1942 Load: 37.6 t ADT: 524

9TH ST

Good

Over: NORFOLK SOUTHERN/SCULL

.3 MI N FROM US422, Lebanon, PA

Built 2012 Load: 37.6 t ADT: 6,839

SR 0307 TR 307

Good

Over: OSTERHOUT CREEK

TUNKHANK TWP .1 M E TR 92, Wyoming, PA

Built 2014 Load: 37.6 t ADT: 2,004

SR 2023

Good

Over: SAWMILL CREEK

0.5 MI SOUTH OF ARNOT, Tioga, PA

Built 2014 Load: 37.6 t ADT: 165

GREENWOOD AVENUE

Good

Over: SEPTA ROAD

1/2 MI. W. PA611 3370H06, Montgomery, PA

Built 2014 Load: 37.6 t ADT: 6,568

SR 345

Good

Over: SCHUYLKILL RIVER

BIRDSBORO RIVER BRIDGE, Berks, PA

Built 2014 Load: 37.6 t ADT: 6,779

SR 0219

Good

Over: WALBURN RUN

1.2 Mi E SR 28 Inter., Jefferson, PA

Built 2014 Load: 37.6 t ADT: 5,833

T-408

Good

Over: HOAGLAND BRANCH

3.4 MI SSE OF SHUNK, Sullivan, PA

Built 2014 Load: 37.6 t ADT: 33

SR 3020

Good

Over: BRANCH OF BLACK CREEK

BLCK CRK TP .4 S SR 3018, Luzerne, PA

Built 2014 Load: 37.6 t ADT: 1,382

SR 0422

Good

Over: CROOKED CREEK

0.6 Mi E SR 56 Inter., Indiana, PA

Built 2015 Load: 37.6 t ADT: 10,990

SR 1028

Good

Over: SMITH CREEK

4 MI SE OF LAWRENCEVILLE, Tioga, PA

Built 2015 Load: 37.6 t ADT: 363

Linn Run Park Rd

Good

Over: LAUGHLINTOWN RUN

LIGONIER TOWNSHIP, Westmoreland, PA

Built 2015 Load: 37.6 t ADT: 983

HILLS CHURCH RD

Good

Over: Turtle Creek

Municipal. of Murrysville, Westmoreland, PA

Built 2015 Load: 37.6 t ADT: 2,394

SR 3002

Good

Over: BIG MILL CREEK

2 MILES WEST OF RIDGWAY, Elk, PA

Built 2015 Load: 37.6 t ADT: 673

SR 0070 EB & WB

Good

Over: 8011(under) 8011 (over)

0.1 mi E from SR 0079, Washington, PA

Built 2015 Load: 37.6 t ADT: 38,742

SR 4008 (LR 06007)

Good

Over: LITTLE SWATARA CREEK

0.2 MI.E.OF PA501, Berks, PA

Built 2015 Load: 37.6 t ADT: 4,447

HOLME AVENUE

Good

Over: ROOSEVELT BLVD.

PENNYPACK CIRCLE 3481C01, Philadelphia, PA

Built 2016 Load: 37.6 t ADT: 23,140

Goldstar Highway

Good

Over: Removed RR & Kehly Run

SOUTH SHENANDOAH, Schuylkill, PA

Built 2016 Load: 37.6 t ADT: 9,651

Great Cove Road

Good

Over: PALMER RUN

3/4 MILE N OF NEEDMORE, Fulton, PA

Built 2017 Load: 37.6 t ADT: 1,750

SR 0910

Good

Over: PA TPK (I-76)

Indiana Township, Allegheny, PA

Built 2016 Load: 37.6 t ADT: 6,816

OLD RTE 77

Good

Over: Whitney Run

0.1M E. Piccadilly Hill R, Warren, PA

Built 2016 Load: 37.6 t ADT: 348

Casanova Road

Good

Over: Moshannon Creek

CASANOVA, Centre, PA

Built 2016 Load: 37.6 t ADT: 495

SR 0136

Good

Over: AV RR Little Chart. Crk

0.1 mi W from SR 0519, Washington, PA

Built 2016 Load: 37.6 t ADT: 7,263

SHREWSBRY TWP T309

Good

Over: ROCK RUN

5 MI WEST OF MUNCY VALLE, Sullivan, PA

Built 2016 Load: 37.6 t ADT: 33

T-361 FOGGY MTN RD

Good

Over: MDL BR CHILLISQUAQUE CRE

0.25 MI OFF SR 44 ON T-36, Montour, PA

Built 2016 Load: 37.6 t ADT: 28

Broadford Rd

Good

Over: BRANCH OF GALLEY RUN

CONNELLSVILLE & U. TYRONE, Fayette, PA

Built 2018 Load: 37.6 t ADT: 559

Pleasant Ridge Rd

Good

Over: FORTUNE TELLER CREEK

1.4 MI. SOUTH OF TURNPIKE, Fulton, PA

Built 2017 Load: 37.6 t ADT: 365

GOLDEN OAKS RD

Good

Over: House Run

CENTER TOWNSHIP, Greene, PA

Built 2017 Load: 37.6 t ADT: 1,573

EDELLA RD

Good

Over: SR 0081 I-81

S ABINGTON TP OVER I-81, Lackawanna, PA

Built 2017 Load: 37.6 t ADT: 2,671

HIGHLAND AV.

Good

Over: LITTLE NESHANNOCK CREEK

1/4 MI. N.E. OF SR 0956, Lawrence, PA

Built 2017 Load: 37.6 t ADT: 1,489

SR 33 (LR 1098SB)

Good

Over: SR 22(LR 772)

US22/PA33 INTERCHANGE, Northampton, PA

Built 2017 Load: 37.6 t ADT: 47,932

WATER ST (SR2001)

Good

Over: COWANSHANNOCK CREEK

RURAL VALLEY NO.3, Armstrong, PA

Built 2018 Load: 37.6 t ADT: 616

SR 0374 SH

Good

Over: EAST BR TUNKHANNOCK CRK

LENOX TWP .5 M E SR 2016, Susquehanna, PA

Built 2018 Load: 37.6 t ADT: 1,345

Laurel Lake Road

Good

Over: Little Rhiney Creek

SILVER LK T 1.2M E SR4001, Susquehanna, PA

Built 2017 Load: 37.6 t ADT: 702

ON TSR 528

Good

Over: SR 99- I 99

TOFTREES, Centre, PA

Built 2017 Load: 37.6 t ADT: 9,507

T-349

Good

Over: Bloody Run

East of Sandrock, Greene, PA

Built 2017 Load: 37.6 t ADT: 50

SR 0019

Good

Over: Ten Mile Creek

0.3 mi N from SR 0188, Greene, PA

Built 2017 Load: 37.6 t ADT: 21,072

SR 1033

Good

Over: SANDY RUN

1.5 MI E OF HAGEVO, Somerset, PA

Built 2017 Load: 37.6 t ADT: 215

3019 MAPLEWOOD RD

Good

Over: JONES CREEK

LAKE TWP 300 N SR 3021, Wayne, PA

Built 2017 Load: 37.6 t ADT: 512

SR 1002

Good

Over: MARSH CREEK

BLANCHARD, Centre, PA

Built 2017 Load: 37.6 t ADT: 280

SR 3046

Good

Over: SR 29 & DUNDEE ROAD

SR 3046 OVER SR 29, Luzerne, PA

Built 2017 Load: 37.6 t ADT: 4,301

SIDNEY STREET

Good

Over: MILL CREEK

SIDNEY ST. OVER MILL CR., Luzerne, PA

Built 2015 Load: 37.6 t ADT: 101

SR 147

Good

Over: OVER T-568&CHILLISQU. CR

VILLAGE OF CHILLISQUAQUE, Northumberland, PA

Built 2017 Load: 37.6 t ADT: 300

SR 1049

Good

Over: COLD BROOK

1 MI WEST OF WINDHAM, Bradford, PA

Built 2020 Load: 37.6 t ADT: 739

HULMEVILLE AVENUE

Good

Over: I-276

1.75 MI. W. I-95 3262C10, Bucks, PA

Built 2018 Load: 37.6 t ADT: 9,585

Showing 15,151-15,200 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.