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

CENTER AV

Fair

Over: CAMP HORNE RD LOWRIES RN

P50004 EMSWORTH - PT05, Allegheny, PA

Built 1973 Load: 33.6 t ADT: 3,500

LIBERTY WAY

Fair

Over: WYLIES RUN

WY08 WYLIES RUN NO. 8, Allegheny, PA

Built 1930 Load: 33.6 t ADT: 1,227

NORTH AV

Fair

Over: GIRTYS RUN

NORTH AVE AT KLOPFER ST, Allegheny, PA

Built 2006 Load: 33.6 t ADT: 4,500

SR0028

Fair

Over: ABAND PITT&SHAW RR

HOGBACK HILL, Armstrong, PA

Built 1989 Load: 33.6 t ADT: 6,931

SR8008

Fair

Over: SR1422 (BUSINESS RTE)

GAULT, Armstrong, PA

Built 1980 Load: 33.6 t ADT: 818

SR2059

Fair

Over: GUFFY RUN

HUNGRY HOLLOW NO.3, Armstrong, PA

Built 1938 Load: 33.6 t ADT: 93

T-761 NORTH AVE

Fair

Over: COWANSHANNOCK CREEK

300 feet south of SR 0085, Armstrong, PA

Built 1953 Load: 33.6 t ADT: 190

T-771 MCWILLIAMS

Fair

Over: PINE RUN

420 W of SR-839, Armstrong, PA

Built 1959 Load: 33.6 t ADT: 50

ROCHESTER MONACA

Fair

Over: SR 65 RR LOCAL OHIO RIV.

ROCHESTER MONACA BRIDGE, Beaver, PA

Built 1986 Load: 33.6 t ADT: 17,325

BEAVER-ROCHESTE

Fair

Over: SR 65 BEAVER R N-S RR

BEAVER-ROCHESTER BRIDGE, Beaver, PA

Built 1963 Load: 33.6 t ADT: 25,773

RAMP G RD

Fair

Over: SR 51 NB

RAMP G OVER APPL 294, Beaver, PA

Built 1965 Load: 33.6 t ADT: 2,490

T-609

Fair

Over: PA TPK (I-76)

W OF JONCTION T588&SR1019, Beaver, PA

Built 1952 Load: 33.6 t ADT: 200

PA 56

Fair

Over: I-99 / US 220

0.7 MILE SOUTH OF CESSNA, Bedford, PA

Built 1969 Load: 33.6 t ADT: 2,545

I-99 / US 220 NBL

Fair

Over: SR4019 ABN.RR DUNNING CR

OVER SR 4019 (CESSNA), Bedford, PA

Built 1971 Load: 33.6 t ADT: 5,816

US 220

Fair

Over: SR 4010 (PITT STREET)

OVER SR 4010, Bedford, PA

Built 1970 Load: 33.6 t ADT: 13,923

T555 JACKS CORNER

Fair

Over: YELLOW CREEK

1 MI.N.OF YELLOW CREEK, Bedford, PA

Built 1948 Load: 33.6 t ADT: 163

SR 1029

Fair

Over: RAYSTOWN BR.JUNIATA RIV.

Everett, Bedford, PA

Built 1937 Load: 33.6 t ADT: 4,025

SR 2024

Fair

Over: BRUSH RUN

1 MI.W.OF GAPSVILLE, Bedford, PA

Built 1962 Load: 33.6 t ADT: 307

PA 61(LR.160)

Fair

Over: US 0222 (LR1035)

TUCKERTON, Berks, PA

Built 1969 Load: 33.6 t ADT: 26,047

SR 100(LR 06026)

Fair

Over: W.SWAMP CREEK

1 MI.N.OF NEW BERLINVILLE, Berks, PA

Built 1953 Load: 33.6 t ADT: 19,364

PA 183(LR 310)

Fair

Over: SCHUYLKILL RIV;NSRC;ROAD

SCHUYLKILL AVE, Berks, PA

Built 1924 Load: 33.6 t ADT: 14,759

PA 183 (LR 310)

Fair

Over: POWDER MILL CREEK

1.5 MI S OF BERNVILLE, Berks, PA

Built 1978 Load: 33.6 t ADT: 14,760

SR 183(LR 06016)

Fair

Over: TRIB.LITTLE NORTHKILL CR

O.9 MI.S.OF I-78, Berks, PA

Built 1932 Load: 33.6 t ADT: 10,551

US 422(LR 149)

Fair

Over: MANOR CREEK

WEST OF WERNERSVILLE, Berks, PA

Built 1947 Load: 33.6 t ADT: 15,323

SR 1010 (LR 06119)

Fair

Over: TRIB.SACONY CREEK

VILLAGE OF BOWERS, Berks, PA

Built 1958 Load: 33.6 t ADT: 10,860

US 222 (LR 1035)

Fair

Over: READING BLUE MTN & NORTH

0.5 MI S OF PA61, Berks, PA

Built 1966 Load: 33.6 t ADT: 27,862

US 222 (LR 1035)

Fair

Over: READING BLUE MTN & N

0.5 MI S OF PA61, Berks, PA

Built 1966 Load: 33.6 t ADT: 26,305

SR 4003(LR 06001)

Fair

Over: CROSSKILL CREEK

MECKVILLE, Berks, PA

Built 1962 Load: 33.6 t ADT: 536

SR 4028(LR06032SP)

Fair

Over: TRIB.TO MILL CREEK

HEX HWY NEAR WILLOW ROAD, Berks, PA

Built 1932 Load: 33.6 t ADT: 3,399

LAKE DRIVE

Fair

Over: TRIB. TO SCHUYLKILL

AMITY GARDENS, Berks, PA

Built 1974 Load: 33.6 t ADT: 350

US 22 WBL

Fair

Over: T-416 CARSON VALLEY ROAD

2 MI NW OF DUNCANSVILLE, Blair, PA

Built 1982 Load: 33.6 t ADT: 9,098

I-99 / US 220 NBL

Fair

Over: US 22 BORO ST ABANDON RR

DUNCANSVILLE, Blair, PA

Built 1981 Load: 33.6 t ADT: 8,640

I-99 / US 220 SBL

Fair

Over: US 22 BORO ST ABANDON RR

1.13 MILE S. FROM EXIT 28, Blair, PA

Built 1981 Load: 33.6 t ADT: 7,809

SR 1013

Fair

Over: SINKING RUN

3 MI.NE.OF CULP, Blair, PA

Built 1926 Load: 33.6 t ADT: 530

T-308 Sheetz Way

Fair

Over: BEAVERDAM CREEK

VILLAGE OF SPROUL, Blair, PA

Built 1987 Load: 33.6 t ADT: 103

SR 0187

Fair

Over: WYSOX CREEK

1 MI. N. OF ROME BORO, Bradford, PA

Built 1920 Load: 33.6 t ADT: 1,468

SR 414

Fair

Over: TRIB. TO TOWANDA CREEK

7.5 MI.E.OF CANTON BORO, Bradford, PA

Built 1919 Load: 33.6 t ADT: 1,723

SR 2010

Fair

Over: SUGAR RUN

1 MILE W.OF NEW ERA, Bradford, PA

Built 1982 Load: 33.6 t ADT: 820

SR 4001

Fair

Over: TRIB TO BROWNS CREEK

1.25 MI NORTHWEST OF SACO, Bradford, PA

Built 1951 Load: 33.6 t ADT: 342

SR 4014

Fair

Over: WEST BRANCH TOMJACK CRK

SPRINGFLD & SMITHFLD TWSP, Bradford, PA

Built 1950 Load: 33.6 t ADT: 1,889

NEW US-1 BYPASS

Fair

Over: NORFOLK SOUTHERN

.3MI.SW OF I-95 37G07, Bucks, PA

Built 1966 Load: 33.6 t ADT: 63,641

LINCOLN HWY/RAMPS

Fair

Over: ROCK RUN

EAST OF ROUTE 13 38K06, Bucks, PA

Built 1954 Load: 33.6 t ADT: 80,460

M-Y LN SERVICE RD.

Fair

Over: U S ROUTE 1

S.BRIDGE STREET 39B06, Bucks, PA

Built 1985 Load: 33.6 t ADT: 1,791

TRAFFIC ROUTE 13

Fair

Over: NEWBOLD ROAD & Conrail

1MI.S.MORRISVILL 38J07, Bucks, PA

Built 1954 Load: 33.6 t ADT: 20,279

US 202

Fair

Over: AQUETONG CREEK

WEST OF NEW HOPE 25C03, Bucks, PA

Built 1939 Load: 33.6 t ADT: 15,176

DUBLIN PIKE

Fair

Over: THREE MILE RUN

.5MI.LR 386PAR A 15A06, Bucks, PA

Built 1930 Load: 33.6 t ADT: 14,033

JOHN FRIES HIGHWAY

Fair

Over: MOLASSES CREEK

.1MI.PA.TURNPIKE 12H02, Bucks, PA

Built 1955 Load: 33.6 t ADT: 18,988

BRIDGETOWN PIKE

Fair

Over: PINE RUN

.9MI.EAST TR 213 36F09, Bucks, PA

Built 1966 Load: 33.6 t ADT: 4,040

OXFORD VALLEY ROAD

Fair

Over: US 1 BYPASS (LR 281)

2MI.N.LANGHORNE 37K07, Bucks, PA

Built 1972 Load: 33.6 t ADT: 37,188

MAIN STREET

Fair

Over: MARTINS CREEK

TULLYTOWN BORO. 43H03, Bucks, PA

Built 1901 Load: 33.6 t ADT: 1,442

Showing 5,251-5,300 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.