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

T-919 WALNUT ST.

Good

Over: LITTLE MUDDY RUN

0.3 MI W OF PA 728, Clearfield, PA

Built 1933 Load: 35.3 t ADT: 100

SR 1005

Good

Over: BEAVER CREEK

2.5 MI S OF LOYSBURG, Bedford, PA

Built 2019 Load: 35.3 t ADT: 624

Keslar School Road

Good

Over: Trib to Little Champion

Saltlick Township, Fayette, PA

Built 2014 Load: 35.3 t ADT: 50

T-568 EGYPT HOLLOW

Good

Over: OVER ACKLEY RUN

PINE GROVE TOWNSHIP, Warren, PA

Built 2019 Load: 35.3 t ADT: 100

SR 1007 BROWN HILL

Good

Over: OVER FEDERAL RUN

ATHENS TOWNSHIP, Crawford, PA

Built 2019 Load: 35.3 t ADT: 190

SR 2003 (LR 53015)

Good

Over: PINE CREEK

.25 M.N.OF FRISBIE, Schuylkill, PA

Built 2019 Load: 35.3 t ADT: 863

County Line Road

Good

Over: W. Br. Perkiomen Creek

1 MI. S. of BALLY, Berks, PA

Built 2019 Load: 35.3 t ADT: 1,989

CREEK ROAD

Good

Over: EAST BR BRANDYWINE CREEK

NEAR GLEN MOORE 3360F6, Chester, PA

Built 2019 Load: 35.3 t ADT: 707

MANOA ROAD

Good

Over: COBBS CREEK

E.KARAKUNG DRIVE 26J07, Delaware, PA

Built 2019 Load: 35.3 t ADT: 5,794

PA 915

Good

Over: RAYSTOWN BR JUNIATA RIV

378 FEET SOUTH OF TR 26, Bedford, PA

Built 2019 Load: 35.3 t ADT: 826

MILL CREEK ROAD

Good

Over: MARTINS CREEK

0.3 MI E SR13 ADC 3264-A5, Bucks, PA

Built 2020 Load: 35.3 t ADT: 1,000

SR 2001 MAPLEWD RD

Good

Over: OUTLET KIZER POND

JEFFERSN TP .1M E SR 2003, Lackawanna, PA

Built 2020 Load: 35.3 t ADT: 478

SR 1035

Good

Over: RAVEN CREEK

3 MI E OF BENTON BORO, Columbia, PA

Built 2022 Load: 35.3 t ADT: 118

US-1 BY-PASS

Good

Over: CSXT SEPTA & SR 2037

.5MI.N.NESHAMINY 41H02, Bucks, PA

Built 2022 Load: 35.3 t ADT: 23,690

SR 1015

Good

Over: RAYSTOWN BR JUNIATA RIV

25 FEET EAST OF SR 1017, Somerset, PA

Built 2022 Load: 35.3 t ADT: 239

Hypsy Gap Road

Good

Over: Hypsy Creek

North of McMichaels, Monroe, PA

Built 2021 Load: 35.3 t ADT: 100

T570;MAPLEDALE RD

Good

Over: TRIB. TO HOFFER CREEK

0.5 MI SE OF SR 341, Dauphin, PA

Built 2022 Load: 35.3 t ADT: 175

T495;MCINTOSH RD

Good

Over: PAXTON CREEK

1.8N I/S 81&83/TR PXTN CR, Dauphin, PA

Built 2021 Load: 35.3 t ADT: 150

PA TPK 0576

Good

Over: SR 50 Millers Road

South Fayette Twp, Allegheny, PA

Built 2017 Load: 35.3 t ADT: 10,538

PA TPK 0576

Good

Over: SR 50 Millers Road

South Fayette Twp, Allegheny, PA

Built 2017 Load: 35.3 t ADT: 10,538

SR 6 MAIN STREET

Good

Over: OVER FRENCH CREEK

CAMBRIDGE SPRINGS BORO, Crawford, PA

Built 2021 Load: 35.3 t ADT: 5,380

HOPKINS STREET

Good

Over: NORTH WITMER RUN

1000 FT SW OF SR 3005, Clearfield, PA

Built 2021 Load: 35.3 t ADT: 30

SR 3027

Good

Over: Branch of Buffalo Creek

EAST FINLEY TOWNSHIP, Washington, PA

Built 2021 Load: 35.3 t ADT: 88

SR 2020

Good

Over: PINEY CREEK

0.3 MILE WEST OF SR 866, Blair, PA

Built 2023 Load: 35.3 t ADT: 782

SR 2009 noble rd.

Good

Over: WEST BRANCH OCTORARO CR

KINGS BRIDGE, Lancaster, PA

Built 2022 Load: 35.3 t ADT: 806

SR 2033

Good

Over: Cedar Run

EBERLYS MILLS, Cumberland, PA

Built 2022 Load: 35.3 t ADT: 3,902

CORAOPOLIS BR

Good

Over: OHIO R BK CHN;CSX RR;RD

OB02 CORAOPOLIS-NEV ISL, Allegheny, PA

Built 1995 Load: 35.4 t ADT: 14,000

BOCKTOWN RD

Good

Over: RAREDON RUN

150 WEST OF SR 3013, Beaver, PA

Built 1938 Load: 35.4 t ADT: 3,035

BLOCK HOUSE RUN RD

Good

Over: BR.BLOCK HOUSE RUN

3145 N.E. OF SR 1016, Beaver, PA

Built 1967 Load: 35.4 t ADT: 556

RAMP E

Good

Over: SR 0065 NB

OVER SR 65 NB, Beaver, PA

Built 1963 Load: 35.4 t ADT: 2,064

S.R.4018

Good

Over: BENTLEY CREEK

VILLAGE OF MIDDLETOWN, Bradford, PA

Built 1993 Load: 35.4 t ADT: 403

INTERSTATE 295 EB

Good

Over: PENNSYLVANIA TURNPIKE

NEWPORTVILLE 42G6/3262H10, Bucks, PA

Built 1972 Load: 35.4 t ADT: 23,877

INTERSTATE 295 WB

Good

Over: PENNSYLVANIA TURNPIKE

NEWPORTVILLE 42G6/3262H10, Bucks, PA

Built 1972 Load: 35.4 t ADT: 25,103

ALLENTOWN ROAD

Good

Over: RIDGE VALLEY CREEK

S.TRUMBAUERSVILLE 13E13, Bucks, PA

Built 1908 Load: 35.4 t ADT: 4,108

SR2013

Good

Over: THORN CREEK

PENN TWP-NEAR SAXONBURG, Butler, PA

Built 1989 Load: 35.4 t ADT: 654

SR 4001 BEAVER CNT

Good

Over: OVER CONNEAUT CREEK E.BR

BEAVER TOWNSHIP, Crawford, PA

Built 1961 Load: 35.4 t ADT: 414

SR 2013 LR21076

Good

Over: PA TPK (I-76)

0.5 MI NORTH OF SR 2010, Cumberland, PA

Built 1950 Load: 35.4 t ADT: 4,364

PA 39; SR 0039

Good

Over: BEAVER CREEK

1 MI E LINGLESTOWN, Dauphin, PA

Built 1977 Load: 35.4 t ADT: 7,933

SR 3021; TWP RD

Good

Over: I-81;RP AF C G;PAXTON CK

I-81 & 22-322 INTERCHANGE, Dauphin, PA

Built 1974 Load: 35.4 t ADT: 5,946

GRANT STREET

Good

Over: CLARION RIVER

900 FT S OF INT SR 219, Elk, PA

Built 1994 Load: 35.4 t ADT: 300

SR 1106 NEW ROAD

Good

Over: OVER SR 86 EB/WB SO TIER

GREENFIELD TOWNSHIP, Erie, PA

Built 1986 Load: 35.4 t ADT: 102

SR 1013 WILLIAMS R

Good

Over: OVER SR 86 EB & WB

GREENFIELD TOWNSHIP, Erie, PA

Built 1985 Load: 35.4 t ADT: 220

SR 3017 WELLSBURG

Good

Over: OVER TEMPLE CREEK

ELK CREEK TOWNSHIP, Erie, PA

Built 1983 Load: 35.4 t ADT: 560

I-70 WBL

Good

Over: MCKEES RUN

AMARANTH EXIT, Fulton, PA

Built 1960 Load: 35.4 t ADT: 6,085

SR 0079

Good

Over: SR 2006 & DUNKARD CREEK

PERRY TOWNSHIP, Greene, PA

Built 1973 Load: 35.4 t ADT: 10,151

BEAVER VALLEY EXPY

Good

Over: TWP 593 NASHUA ROAD

3.3 MI S OF SR 208, Lawrence, PA

Built 1973 Load: 35.4 t ADT: 6,461

BRENT NORTH LIB RD

Good

Over: I-79

PLAIN GROVE TWP O/I79, Lawrence, PA

Built 1963 Load: 35.4 t ADT: 331

SR 2024 (LR 39007)

Good

Over: TRIB. TO SAUCON CREEK

MILL RD.NEAR GUN CLUB, Lehigh, PA

Built 1962 Load: 35.4 t ADT: 2,837

SR 1059 FEDOR RD

Good

Over: HARVEY CREEK

LEHMAN TWP 200 S TR 118, Luzerne, PA

Built 1997 Load: 35.4 t ADT: 443

SR 3004

Good

Over: SOUTH BR NEWPORT CREEK

NEWPORT TWP .2M W SR 3003, Luzerne, PA

Built 1993 Load: 35.4 t ADT: 3,357

Showing 14,101-14,150 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.