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

CITO RD

Good

Over: SPRING RUN

WEBSTER MILLS, Fulton, PA

Built 2018 Load: 48.3 t ADT: 2,804

Colonel Drake Hw

Good

Over: CANOE CREEK

CLOE NO.1, Jefferson, PA

Built 2018 Load: 48.3 t ADT: 3,383

Camp Meeting Road

Good

Over: SAUCON CREEK

CAMP MEETING ROAD, Lehigh, PA

Built 2018 Load: 48.3 t ADT: 792

MiddlesexMercer Rd

Good

Over: Little Neshannock Creek

LACKAWANNOCK TOWNSHIP, Mercer, PA

Built 2017 Load: 48.3 t ADT: 2,456

Coudersport Pike

Good

Over: Clara Creek

CLARA, Potter, PA

Built 2017 Load: 48.3 t ADT: 1,428

SR 0087

Good

Over: Mill Creek

VILLAGE OF HILLSGROVE, Sullivan, PA

Built 2017 Load: 48.3 t ADT: 602

SR 696 NEWBURG RD

Good

Over: TRIB NEWBURG RUN

1.2 MI NW OF NEWBURG, Cumberland, PA

Built 2018 Load: 48.3 t ADT: 1,260

SR 3020 MASTER RD

Good

Over: SR 0080 EB & WB

2.3 mi N SR 338 Intersect, Clarion, PA

Built 2018 Load: 48.3 t ADT: 51

SR0422 EB

Good

Over: SR 3005

Intersect SR 422 & SR3005, Armstrong, PA

Built 2020 Load: 48.3 t ADT: 9,123

T-858 DUNMIRE ROAD

Good

Over: LONG RUN

100 feet north of SR 0156, Armstrong, PA

Built 2020 Load: 48.3 t ADT: 50

SR 322- US 322

Good

Over: SR 2015

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

Built 2020 Load: 48.3 t ADT: 7,052

U.S. 202 PARKWAY

Good

Over: UNNAMED BR. NESH & WETLA

1.5 MI. S. PA611 3034D05, Bucks, PA

Built 2012 Load: 48.6 t ADT: 13,409

SR 2005

Good

Over: Cumberland Mine Railroad

0.3 mi S from SR 2018, Greene, PA

Built 2012 Load: 48.6 t ADT: 128

PUSEY MILL ROAD

Good

Over: E.BRANCH BIG ELK CREEK

0.8 MI NW Balt PK 3798-G8, Chester, PA

Built 2014 Load: 48.6 t ADT: 973

Chapel Hill Road

Good

Over: MINGO CREEK

Mingo Creek County Park, Washington, PA

Built 2015 Load: 48.6 t ADT: 100

Sereno Hollow Rd

Good

Over: Little Fishing Creek

3 MI W of Waller, Columbia, PA

Built 2015 Load: 48.6 t ADT: 28

WEST MAPLE AVENUE

Good

Over: NESHAMINY CREEK

L. SOUTHAMPTON 3261G03, Bucks, PA

Built 2015 Load: 48.6 t ADT: 10,060

US 30

Good

Over: Drainage Ditch

0.2 MI W. OF PA 41, Lancaster, PA

Built 2016 Load: 48.6 t ADT: 11,581

COLUMBIA HILL RD

Good

Over: N. Branch Cole Creek

WRIGHTS CORNERS, McKean, PA

Built 2016 Load: 48.6 t ADT: 225

MIDDLE CREEK RD

Good

Over: MIDDLE CREEK

1.5 MI N OF MILLWAY, Lancaster, PA

Built 2017 Load: 48.6 t ADT: 540

Shanksville Rd

Good

Over: UNT TO STONYCREEK RIVER

0.99 MILE NW of PA 160, Somerset, PA

Built 2017 Load: 48.6 t ADT: 243

SR 858

Good

Over: Gaylord Creek

RUSH TWP 2 M N TR 706, Susquehanna, PA

Built 2017 Load: 48.6 t ADT: 277

High Street

Good

Over: Norfolk Southern RR

West of PA 412, Northampton, PA

Built 2017 Load: 48.6 t ADT: 900

Crossover Blvd.

Good

Over: Branch of French Creek

3/4 M Twnshp Line 3252-C7, Chester, PA

Built 2018 Load: 48.6 t ADT: 500

SR2007

Good

Over: Licking Creek

.2mi S SR 2011 Intersect., Clarion, PA

Built 2020 Load: 48.6 t ADT: 119

SR 4017

Good

Over: Trib to Terwiliger Creek

2.75 MI N OF SHORTSVILLE, Tioga, PA

Built 2019 Load: 48.6 t ADT: 479

T-615 STATE RD

Good

Over: AMTRAK

1/2 MI NORTH OF SR 4020, Lancaster, PA

Built 2020 Load: 48.6 t ADT: 6,600

T-840 Smith Rd

Good

Over: Stewart Run

500 E of SR 0217, Indiana, PA

Built 2023 Load: 48.6 t ADT: 100

SR 2031;Mont Alto

Good

Over: Trib Conococheague Creek

2 MI.S. OF FAYETTEVILLE, Franklin, PA

Built 1926 Load: 48.9 t ADT: 4,765

State Park Rd

Good

Over: CLEARFIELD CREEK

0.18 MILE WEST FROM PA 53, Cambria, PA

Built 2017 Load: 48.9 t ADT: 1,185

RAYMOND SHAFER HW

Good

Over: CAMPBELLS RUN RD

I-79 NB O/CAMPBELLS RN RD, Allegheny, PA

Built 1973 Load: 49.0 t ADT: 24,205

PENN LINCOLN PKWY

Good

Over: BANKSVILLE RD. S.B.

@ INT W/ SR 0019, Allegheny, PA

Built 1953 Load: 49.0 t ADT: 75,697

BRODHEAD ROAD

Good

Over: BOGGS RUN

1.8 MI NW OF SR 3109, Allegheny, PA

Built 1920 Load: 49.0 t ADT: 6,100

RAMP BU

Good

Over: MON WHARF

Fort Pitt Bridge, Allegheny, PA

Built 1953 Load: 49.0 t ADT: 2,083

37TH STREET EXT

Good

Over: BEAVER VAL EXPY TP

1.3 MI E OF SHENANGO ROAD, Beaver, PA

Built 1992 Load: 49.0 t ADT: 5,603

SR 1005(OLD PA 36)

Good

Over: YELLOW CREEK RELIEF CHAN

0.05 MILE S. FROM PA 36, Bedford, PA

Built 1997 Load: 49.0 t ADT: 624

SR 3006

Good

Over: WOLF CAMP RUN

1 MI.W.OF MADLEY, Bedford, PA

Built 1941 Load: 49.0 t ADT: 144

SR 2013 (LR 06089)

Good

Over: I-176 SR 6176

SHILOH ROAD, Berks, PA

Built 1995 Load: 49.0 t ADT: 589

LORANE RD

Good

Over: ANTIETAM CREEK

2 MI.S.E.OF REIFFTON, Berks, PA

Built 1997 Load: 49.0 t ADT: 2,280

NORMAL AVENUE

Good

Over: SACONY CREEK

BOROUGH OF KUTZTOWN, Berks, PA

Built 1961 Load: 49.0 t ADT: 3,123

SR 4020

Good

Over: BELLS GAP RUN

.5 MI.W.OF BELLWOOD, Blair, PA

Built 1987 Load: 49.0 t ADT: 571

SR 328

Good

Over: HAMMOND CREEK

2 MI. N. OF MOSHERVILLE, Bradford, PA

Built 1988 Load: 49.0 t ADT: 1,831

SR 1038

Good

Over: WAPPASENING CREEK

2 MI W OF WARREN CENTER, Bradford, PA

Built 1995 Load: 49.0 t ADT: 577

PA 56

Good

Over: SR 3015

OVER SR 3015, Cambria, PA

Built 1989 Load: 49.0 t ADT: 19,347

T-488 Watt Road

Good

Over: BEAVERDAM RUN

.8 MI.S.OF ASHVILLE, Cambria, PA

Built 2006 Load: 49.0 t ADT: 141

SR 80-I 80

Good

Over: MOSHANNON CREEK

CLFD & CENTRE CNTY LINE, Centre, PA

Built 1968 Load: 49.0 t ADT: 7,584

SR 2001

Good

Over: ELK CREEK

COBURN, Centre, PA

Built 1989 Load: 49.0 t ADT: 934

STATE ROAD

Good

Over: PICKERING CREEK

SOUTH PHONEXVILLE 15B11, Chester, PA

Built 2001 Load: 49.0 t ADT: 5,860

EXTON BYPASS (EB)

Good

Over: VALLEY CREEK

CLOVER BUS PARK 31D1, Chester, PA

Built 1995 Load: 49.0 t ADT: 26,791

EXTON BYPASS(WB)

Good

Over: VALLEY CREEK

CLOVER BUS PARK 31D01, Chester, PA

Built 1995 Load: 49.0 t ADT: 29,961

Showing 18,651-18,700 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.