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 724 (LR 06079)

Good

Over: ANGELICA CREEK

VILLAGE OF GRILL, Berks, PA

Built 1960 Load: 38.9 t ADT: 11,453

5TH AVENUE

Good

Over: MILL RUN

5TH.AVE.@ 31ST.STREET, Blair, PA

Built 1934 Load: 38.9 t ADT: 889

SR 0008

Good

Over: GLADE RUN

NEAR STONE HOUSE, Butler, PA

Built 1940 Load: 38.9 t ADT: 4,488

SR 0528

Good

Over: LIKENS RUN

LINDSEY ROAD, Butler, PA

Built 1941 Load: 38.9 t ADT: 8,587

RT 72; N 9TH ST

Good

Over: QUITTAPAHILLA CREEK

425 FT N OF WALNUT ST, Lebanon, PA

Built 1985 Load: 38.9 t ADT: 3,000

PA309 (LR 226)

Good

Over: TRIB. MILL CREEK

1 MI.N.OF PA873, Lehigh, PA

Built 1962 Load: 38.9 t ADT: 4,479

SR 2009 (LR 39028)

Good

Over: CEDAR CREEK

HAINES MILL Rd, Lehigh, PA

Built 1959 Load: 38.9 t ADT: 2,941

RED ROCK RD(T-565)

Good

Over: FOREST HILLS RUN

RED ROCK RD.(T-565), Monroe, PA

Built 1950 Load: 38.9 t ADT: 664

SR 1011

Good

Over: OVER WHITE DEER CREEK

VILLAGE OF WHITE DEER, Union, PA

Built 1963 Load: 38.9 t ADT: 3,913

SR 1059

Good

Over: MINGO CREEK

NOTTINGHAM TOWNSHIP, Washington, PA

Built 1961 Load: 38.9 t ADT: 509

JFK BLVD.

Good

Over: 22ND STREET

IN CENTER CITY 3590B08, Philadelphia, PA

Built 1957 Load: 38.9 t ADT: 11,168

RAMP F 3591G01

Good

Over: ARAMINGO AVE/CONRAIL

(BRI) RAMP F 3591G01, Philadelphia, PA

Built 1999 Load: 38.9 t ADT: 8,697

DARK HOLLOW ROAD

Good

Over: TOHICKON CREEK/ 2699-A10

AT STOVERS MILL 17B02, Bucks, PA

Built 2004 Load: 38.9 t ADT: 2,047

Crum Creek Road

Good

Over: Crum Creek

.5 mi north of US 1 20-B3, Delaware, PA

Built 2009 Load: 38.9 t ADT: 1,242

SR 0044

Good

Over: CHILLISQUAQUE CREEK

5 MI N OF WASHINGTONVILLE, Montour, PA

Built 2010 Load: 38.9 t ADT: 4,495

PA 295; Susq.trail

Good

Over: BIG CONEWAGO CREEK

0.75 MI. N. OF STRINESTOW, York, PA

Built 2010 Load: 38.9 t ADT: 1,142

GALLOWAY ROAD

Good

Over: I-276 PA TURNPIKE

1 MI. EAST US-1 3261K10, Bucks, PA

Built 2011 Load: 38.9 t ADT: 16,619

SR 4002

Good

Over: NORTH FORK BEECH CREEK

CLARENCE, Centre, PA

Built 2011 Load: 38.9 t ADT: 636

SR 973

Good

Over: HOAGLAND RUN

3 MI W OF COGAN STATION, Lycoming, PA

Built 2011 Load: 38.9 t ADT: 340

PA 425; WOODBINE

Good

Over: BALD EAGLE CREEK

WOODBINE, York, PA

Built 2011 Load: 38.9 t ADT: 904

SR 3001; BUS. 15

Good

Over: MARSH CREEK

.5 MI S OF GREENMOUNT, Adams, PA

Built 2011 Load: 38.9 t ADT: 1,596

SR 2045

Good

Over: Trib. Saucon Ck

Center Valley Bridge, Lehigh, PA

Built 2011 Load: 38.9 t ADT: 5,299

WAMBOLD ROAD

Good

Over: TRIB. TO SKIPPACK CREEK

MAINLAND 3031E09, Montgomery, PA

Built 2012 Load: 38.9 t ADT: 12,208

SR 1033(LR48075SP)

Good

Over: MARTINS CREEK

N.MAIN ST. @ T-762, Northampton, PA

Built 2012 Load: 38.9 t ADT: 1,425

PA TPK (I-76)

Good

Over: SR 4063 LR 02141

West of Gibsonia, Allegheny, PA

Built 2012 Load: 38.9 t ADT: 15,732

PA TPK (I-76)

Good

Over: SR 4068

East of Warrendale, Allegheny, PA

Built 2012 Load: 38.9 t ADT: 31,140

RED RIDGE ROAD

Good

Over: TOMHICKON CREEK

1.2 MI. N. OF ZION GROVE, Schuylkill, PA

Built 2012 Load: 38.9 t ADT: 300

SR 3021; TWP. RD.

Good

Over: YELLOW BREECHES CREEK

0.7 MI.N. OF L.R. 21008, Cumberland, PA

Built 2012 Load: 38.9 t ADT: 2,628

PA 946 (LR 752)

Good

Over: HOKENDAUQUA CR.

MOUNTAIN VIEW DRIVE, Northampton, PA

Built 2012 Load: 38.9 t ADT: 3,436

SR 0019

Good

Over: Wades Run

0.5 mi N from WV line, Greene, PA

Built 2012 Load: 38.9 t ADT: 1,564

SR 4001

Good

Over: LEWIS RUN

LEWIS RUN BORO, McKean, PA

Built 2012 Load: 38.9 t ADT: 1,659

GRANT STREET

Good

Over: TRIB. TO TROUT CREEK

SLATEDALE, Lehigh, PA

Built 2012 Load: 38.9 t ADT: 250

SR 1033 Sherman St

Good

Over: I-83; SR 0083

1.3 MI S OF US 30, York, PA

Built 2012 Load: 38.9 t ADT: 8,737

SR 3007 BIG SPRING

Good

Over: BIG SPRING RUN

3 MI.S. OF NEWVILLE, Cumberland, PA

Built 2012 Load: 38.9 t ADT: 219

SR 3023

Good

Over: MILL RACE

.5 MI.S. CLEONA, Lebanon, PA

Built 2012 Load: 38.9 t ADT: 3,529

SR 1058

Good

Over: SACKETT CREEK

5 MI NW OF WINDHAM SUMMIT, Bradford, PA

Built 2012 Load: 38.9 t ADT: 176

US 219

Good

Over: W BR SUSQUEHANNA RIVER

2.22 MILE S. FROM PA 240, Cambria, PA

Built 2012 Load: 38.9 t ADT: 2,370

SR 249

Good

Over: LOSEY CREEK

VILLAGE OF KEENEYVILLE, Tioga, PA

Built 2012 Load: 38.9 t ADT: 1,624

SR 2019

Good

Over: Little Whitely Creek

0.7 mi S from SR 0021, Greene, PA

Built 2012 Load: 38.9 t ADT: 298

T760 WINDHAM TWP

Good

Over: Trib to Wappasening Cr

2.5 M.N. OF WINDHAM CENTE, Bradford, PA

Built 2013 Load: 38.9 t ADT: 50

SR 4010

Good

Over: Brush Creek

1.9 mi E from SR 0993, Westmoreland, PA

Built 2013 Load: 38.9 t ADT: 2,575

PINEVILLE ROAD

Good

Over: PIDCOCK CREEK

1.5 Mi N. PA-413 2924-H10, Bucks, PA

Built 2013 Load: 38.9 t ADT: 247

RAMP E

Good

Over: EMBANKMENT

@ INTER W/ 31ST BRIDGE, Allegheny, PA

Built 2013 Load: 38.9 t ADT: 2,834

I-176 (LR1011)

Good

Over: NORFOLK SOUTHERN RR

0.2MI S OF US422, Berks, PA

Built 2013 Load: 38.9 t ADT: 17,014

SR 4001

Good

Over: BEAVER DAM RUN

1 MILE SOUTH LEIDY, Clinton, PA

Built 2013 Load: 38.9 t ADT: 190

FORD ROAD (T323)

Good

Over: INTERSTATE 95

.6 MI. S. PA TPK. 3374H01, Bucks, PA

Built 2013 Load: 38.9 t ADT: 8,913

SR 144-PA 144

Good

Over: HALLS RUN

3 MILE SOUTH RENOVO, Clinton, PA

Built 2013 Load: 38.9 t ADT: 174

SR 872-PA 872

Good

Over: FREEMAN RUN

COSTELLO, Potter, PA

Built 2013 Load: 38.9 t ADT: 765

SR 19

Good

Over: NESHANNOCK CREEK

SPRINGFIELD TWP., Mercer, PA

Built 2013 Load: 38.9 t ADT: 2,520

SR 1025

Good

Over: CHILLISQUAQUE CREEK

2 MI EAST OF MONTANDON, Northumberland, PA

Built 2013 Load: 38.9 t ADT: 802

Showing 15,701-15,750 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.