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

KEDRON AVENUE

Good

Over: STONY CREEK

FOLSOM NR MACDADE 35D09, Delaware, PA

Built 2018 Load: 36.9 t ADT: 14,602

SR 666 D ZEIS HWY

Good

Over: Beaver Run

HICKORY TOWNSHIP, Forest, PA

Built 2018 Load: 36.9 t ADT: 282

MAPLETOWN RD

Good

Over: WHITELEY CREEK

MONOGAHELA TOWNSHIP, Greene, PA

Built 2017 Load: 36.9 t ADT: 533

KIMMEL RD (SR4010)

Good

Over: CROOKED CREEK

KIMMEL RD NO.1, Indiana, PA

Built 2017 Load: 36.9 t ADT: 214

SPROUL ROAD

Good

Over: COOPERS RUN

1 MI N OF UNION, Lancaster, PA

Built 2017 Load: 36.9 t ADT: 273

Roaring Creek Rd

Good

Over: Little Roaring Creek

3 MI N OF ELYSBURG BORO, Northumberland, PA

Built 2017 Load: 36.9 t ADT: 128

Brookland Rd

Good

Over: Buckseller Run

2 MI N WALTON, Potter, PA

Built 2018 Load: 36.9 t ADT: 533

WILPEN RD (SR1017)

Good

Over: BRANCH OF HANNAS RUN

LIGONIER TOWNSHIP, Westmoreland, PA

Built 2017 Load: 36.9 t ADT: 293

T-690 Duke Street

Good

Over: Swatara Creek

Swatra/Han Twp/Humlstown, Dauphin, PA

Built 2017 Load: 36.9 t ADT: 1,546

BR 1704

Good

Over: SANDY LAKE OUTLET

WALNUT ST SANDY LAKE, Mercer, PA

Built 2017 Load: 36.9 t ADT: 223

SR 1037

Good

Over: S FORK PINE CREEK

200 Ft S SR 1028 Inter., Armstrong, PA

Built 2017 Load: 36.9 t ADT: 36

SR 0058

Good

Over: MINERAL RUN

0.6 Mi NW SR 68 Inter., Clarion, PA

Built 2017 Load: 36.9 t ADT: 1,786

SR 3010 (LR06052)

Good

Over: Spring Creek

Church Street, Berks, PA

Built 2017 Load: 36.9 t ADT: 248

Greenfield Ave

Good

Over: I-376 Parkway East

039 Greenfield Bridge, Allegheny, PA

Built 2017 Load: 36.9 t ADT: 11,424

RAMP E

Good

Over: ARAMINGO AVENUE

GIRARD INTC. 3591A05, Philadelphia, PA

Built 2017 Load: 36.9 t ADT: 14,120

SR 449 - PA 449

Good

Over: PINE CREEK

BROOKLAND, Potter, PA

Built 2017 Load: 36.9 t ADT: 533

PA 611 (LR 168)

Good

Over: Wigwam Creek

Near INT. SR 2018, Monroe, PA

Built 2017 Load: 36.9 t ADT: 20,453

SR 0087 TR 87

Good

Over: MILLER BROOK

N BRANCH TWP .1M SR 4010, Wyoming, PA

Built 2017 Load: 36.9 t ADT: 684

STEINSBURG ROAD

Good

Over: PA TPK (TOLL 476)

3/4 MI. N. PA663 2694A10, Bucks, PA

Built 2017 Load: 36.9 t ADT: 2,037

HARLEYSVILLE PIKE

Good

Over: PA TPK (Toll 476)

1.7 MILE E PA-63 3031A03, Montgomery, PA

Built 2017 Load: 36.9 t ADT: 15,370

SR 1012 LIBERTY ST

Good

Over: OVER CONEWANGO CREEK

PINE GROVE TOWNSHIP, Warren, PA

Built 2017 Load: 36.9 t ADT: 1,725

SR 400 LR228

Good

Over: PA Turnpike - I-76

Milepost 53.66, Allegheny, PA

Built 2018 Load: 36.9 t ADT: 7,708

SR 2003 (LR 45007)

Good

Over: Cherry Creek

Kemmertown Road, Monroe, PA

Built 2018 Load: 36.9 t ADT: 246

SR 1061

Good

Over: HARVEYS CREEK

LEHMAN TWP .5M E SR 1059, Luzerne, PA

Built 2018 Load: 36.9 t ADT: 444

Mulberry Dr. T-586

Good

Over: Trindle Spring Run

2.2 MI S Hogerstown, Cumberland, PA

Built 2018 Load: 36.9 t ADT: 1,783

SR 120-PA 120

Good

Over: MONTOUR RUN

6 MILE EAST SINNEMAHONING, Clinton, PA

Built 2018 Load: 36.9 t ADT: 300

SR 4012

Good

Over: Robinson Run

Mt Pleasant &Robinson Twp, Washington, PA

Built 2019 Load: 36.9 t ADT: 1,915

Mill Hill Road

Good

Over: Nescopeck Creek

Sugarloaf Township, Luzerne, PA

Built 2015 Load: 36.9 t ADT: 750

T- 657

Good

Over: Elkhorn Creek

1.4MI. SE FARMINGTON HILL, Tioga, PA

Built 2023 Load: 36.9 t ADT: 50

T-460 CTY BR #86

Good

Over: WEST BRANCH SHINGLE RUN

2.2 MI. NORTH OF IOLA, Columbia, PA

Built 2019 Load: 36.9 t ADT: 75

Upper Service Rd.

Good

Over: Service Creek

004052 MCHENRY NO. 1 BRDG, Beaver, PA

Built 2019 Load: 36.9 t ADT: 70

LINCOLN HIGHWAY

Good

Over: NESHAMINY CREEK

NESHAMINY FALLS 41G03, Bucks, PA

Built 2023 Load: 36.9 t ADT: 49,312

SR 3006

Good

Over: KINZUA CREEK

WESTLINE, McKean, PA

Built 2020 Load: 36.9 t ADT: 143

SR 78(LR 285 SP)

Good

Over: Twp Rd 774(Hausman Rd)

1.5 MI W OF KRUMSVILLE, Berks, PA

Built 2020 Load: 36.9 t ADT: 44,228

PA TPK (I-476)

Good

Over: SR 1018 LR46038

WEST OF TELFORD, Montgomery, PA

Built 2020 Load: 36.9 t ADT: 50,307

SR 322-US 322

Good

Over: SR 2019 / POTTER RUN

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

Built 2020 Load: 36.9 t ADT: 7,052

T-856 (CO.BR.#51)

Good

Over: Mill Creek

1.6 MI. NE OF SPRINGFIELD, Bradford, PA

Built 2020 Load: 36.9 t ADT: 100

LINCOLN HIGHWAY

Good

Over: STREET ROAD

1MI.N.COUNTY LINE 41E06, Bucks, PA

Built 2021 Load: 36.9 t ADT: 52,412

SR 4001

Good

Over: POTTER BROOK

0.5 S OF POTTER BROOK, Tioga, PA

Built 2022 Load: 36.9 t ADT: 58

STONE BRIDGE ROAD

Good

Over: DEEP RUN

2809-K8 ADC, Bucks, PA

Built 2021 Load: 36.9 t ADT: 200

SR 0390 TR 390

Good

Over: Bridge Creek

GREENE TWP .2 M N SR 3002, Pike, PA

Built 2021 Load: 36.9 t ADT: 1,203

5TH STREET

Good

Over: LITTLE ELK

SOUTH OF OXFORD 51H5, Chester, PA

Built 2022 Load: 36.9 t ADT: 1,336

MARKET STREET

Good

Over: WALKER RUN

1.5 MI N OF U.S. 11, Luzerne, PA

Built 2022 Load: 36.9 t ADT: 70

RT 0028 SB

Good

Over: BAILEYS RUN RD. CREEK

1 MI.S.W. OF TARENTUM BRG, Allegheny, PA

Built 1976 Load: 37.2 t ADT: 20,245

PA 350

Good

Over: BIG FILL RUN

1.2 MI.S.OF BALD EAGLE, Blair, PA

Built 1973 Load: 37.2 t ADT: 909

SR 3002

Good

Over: SOUTH POPLAR RUN

2 MI.W.OF CLAYSBURG, Blair, PA

Built 1984 Load: 37.2 t ADT: 1,489

T-311 PARK ROAD

Good

Over: PINE RUN

1 MI.N.OF SPROUL, Blair, PA

Built 2000 Load: 37.2 t ADT: 284

SR 4015

Good

Over: MILL CREEK

2 MI. N. OF W. BURLINGTON, Bradford, PA

Built 1977 Load: 37.2 t ADT: 406

STONY BROOK ROAD

Good

Over: JERICHO CREEK

UPPER MAKEFIELD 26D12, Bucks, PA

Built 1973 Load: 37.2 t ADT: 836

HOPEWELL ROAD

Good

Over: TWEED CREEK

2MI W.OXFORD 50K3/3906H6, Chester, PA

Built 1998 Load: 37.2 t ADT: 1,456

Showing 14,851-14,900 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.