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

SR 35

Good

Over: OVER MIDDLE CREEK

VILLAGE OF KANTZ, Snyder, PA

Built 1930 Load: 79.8 t ADT: 4,371

SR 3002

Good

Over: IRWIN RUN

HALLTON, Elk, PA

Built 2009 Load: 79.8 t ADT: 86

PRESLEY RD

Good

Over: CHARTIERS CREEK

@ INTER.W/THOMS RUN RD., Allegheny, PA

Built 1956 Load: 80.7 t ADT: 7,824

T-419River Hill Rd

Good

Over: ENOLA LOW GRADE TRAIL

3/4 MI SW OF T-440, Lancaster, PA

Built 1990 Load: 80.7 t ADT: 260

SR 2017

Good

Over: OVER COAL RUN

Village of Springfield, Northumberland, PA

Built 1952 Load: 80.7 t ADT: 2,060

Ashton Road

Good

Over: Wooden Bridge Run

N of Grant Avenue 19J03, Philadelphia, PA

Built 1993 Load: 80.7 t ADT: 1,700

S.R. 4024

Good

Over: WAMPOLE RUN

3MI. S.W. OF DUSHORE, Sullivan, PA

Built 1997 Load: 80.7 t ADT: 46

SR 3013

Good

Over: BULLDOG RUN

WAYNE TOWNSHIP, Greene, PA

Built 2001 Load: 80.7 t ADT: 262

T-361 Roth Road

Good

Over: Little Juniata Creek

0.5 Mi. E. New Blmfield, Perry, PA

Built 2006 Load: 80.7 t ADT: 200

SR 2012 ALDEN ST.

Good

Over: MILL RUN

WEST MEAD TOWNSHIP, Crawford, PA

Built 1948 Load: 80.7 t ADT: 2,154

SR1045/Ridge Rd

Good

Over: Little Cocalico Creek

1 MI.N. OF Denver Boro, Lancaster, PA

Built 2009 Load: 80.7 t ADT: 3,040

SUGAR CAMP ROAD

Good

Over: Rattlesnake Run

SPROUL STATE FOREST, Clinton, PA

Built 2020 Load: 81.0 t ADT: 15

PA TPK (I-76)

Good

Over: BRUSH CREEK

NEAR UNIONVILLE, Beaver, PA

Built 1952 Load: 81.6 t ADT: 22,663

DAVISVILLE ROAD

Good

Over: BR.PENNYPACK CR/ 3259-E5

UPPER MORELAND 32F01, Montgomery, PA

Built 1996 Load: 81.6 t ADT: 14,616

SR 4003 PATCHEL RD

Good

Over: OVER WOLF RUN

JACKSON TOWNSHIP, Venango, PA

Built 1954 Load: 81.6 t ADT: 672

SR1054

Good

Over: R.J. CORMAN RR

HILLMAN, Indiana, PA

Built 1997 Load: 81.6 t ADT: 205

FLINT HILL ROAD

Good

Over: TRIB.TO SCHUYLKILL RIVER

SWEDELAND 3367G06, Montgomery, PA

Built 1997 Load: 81.6 t ADT: 1,979

CLAIRTON BLVD

Good

Over: LEWIS RUN

1.5 MILE NORTH OF SR2030, Allegheny, PA

Built 1999 Load: 81.6 t ADT: 23,832

SR0422

Good

Over: CHEESE RUN

CHEESE RUN, Indiana, PA

Built 2003 Load: 81.6 t ADT: 11,345

SR 2008

Good

Over: PENNS CREEK

SPRING MILLS, Centre, PA

Built 2003 Load: 81.6 t ADT: 135

T-338

Good

Over: ALLEGHENY RIVER

.01 MI FROM SR-49, Potter, PA

Built 2006 Load: 81.6 t ADT: 50

BURD RUN ROAD

Good

Over: BURD RUN

Shippensburg University, Cumberland, PA

Built 2008 Load: 81.6 t ADT: 800

PA 994

Good

Over: COFFEE RUN

0.4 MILE EAST OF TR 26, Huntingdon, PA

Built 1992 Load: 82.6 t ADT: 1,435

VINE STREET EXWAY.

Good

Over: SIXTH STREET;RAMP B6

VINE ST.INTERCH. 3590G07, Philadelphia, PA

Built 1989 Load: 82.6 t ADT: 100,933

PA 501; SR 0501

Good

Over: HAMMER CREEK

SCHAEFFERSTOWN, Lebanon, PA

Built 2013 Load: 82.6 t ADT: 9,813

SR 3019 (LR 05038)

Good

Over: PA TPK (I-76)

NEAR NEW BUENA VISTA, Bedford, PA

Built 1990 Load: 83.5 t ADT: 241

BRIDGE 2903 T-548

Good

Over: OVER LT. NESHANNOCK CK.B

NO. 8 RD. WILMINGTON TWP., Mercer, PA

Built 1956 Load: 83.5 t ADT: 132

SR 249

Good

Over: OVER BR. CROOKED CREEK

VILLAGE OF KEENEYVILLE, Tioga, PA

Built 1984 Load: 83.5 t ADT: 2,710

SR 2031

Good

Over: BR OF FISHING CREEK

WINDSOR BORO., York, PA

Built 1998 Load: 83.5 t ADT: 6,784

SR 322-US 322

Good

Over: ACCESS ROAD #1

3 MI N STATE COLLEGE, Centre, PA

Built 2001 Load: 83.5 t ADT: 32,772

SR 1024 LAKE ROAD

Good

Over: OVER OIL CREEK TRIB

BLOOMFIELD TOWNSHIP, Crawford, PA

Built 2005 Load: 83.5 t ADT: 163

STREETS RUN RD

Good

Over: STREETS RUN

AT INTER. PROSPECT RD, Allegheny, PA

Built 2010 Load: 83.5 t ADT: 16,138

TWP-635

Good

Over: W. Branch Wallace Run

0.5 mi East intx SR1006 &, Lycoming, PA

Built 2016 Load: 83.5 t ADT: 50

PA 33

Good

Over: FARM ACCESS

0.2MI S. OF SR2007, Northampton, PA

Built 2001 Load: 84.4 t ADT: 46,590

FREEDOM CRIDER RD.

Good

Over: CROWS RUN

1000EAST OF SR 989, Beaver, PA

Built 2002 Load: 84.4 t ADT: 12,148

ADAMS ST

Good

Over: LACOCK RUN

004019 AT CANTON ST, Beaver, PA

Built 2003 Load: 85.3 t ADT: 500

SR 1024

Good

Over: TRIB NORTH BR SUSQ RVR

6 MI E OF NORTHD. BORO, Northumberland, PA

Built 1940 Load: 85.3 t ADT: 1,913

SR 0066

Good

Over: TRIBUTARY BRUSH CREEK

HEMPFIELD TOWNSHIP, Westmoreland, PA

Built 1993 Load: 85.3 t ADT: 9,928

SR 3020

Good

Over: TRIB. TO NYES RUN

3 MI.N.W. HUMMELSTOWN, Dauphin, PA

Built 2004 Load: 85.3 t ADT: 6,363

MAPLE AVENUE

Good

Over: NORFOLK SOUTHERN M.L.

200 BLOCK MAPLE AVENUE, Westmoreland, PA

Built 2004 Load: 85.3 t ADT: 6,600

LOVEDALE ROAD

Good

Over: OVER BRANCH OF WYLIE RUN

ELIZABETH, Allegheny, PA

Built 2010 Load: 85.3 t ADT: 7,888

SMITH FERRY

Good

Over: UPPER DRY RUN

400 NORTH OF SR 4034, Beaver, PA

Built 2012 Load: 85.3 t ADT: 706

RAMP K

Good

Over: BRANCH OF WISSAHICKON CR

CHURCH RD. INTER. 3369H03, Montgomery, PA

Built 2006 Load: 86.2 t ADT: 3,121

SR 0011

Good

Over: BRIAR CREEK

BRIAR CREEK BOROUGH, Columbia, PA

Built 1950 Load: 87.1 t ADT: 15,482

T-345

Good

Over: WILSON CREEK

3 MI. NORTH OF MORRIS, Tioga, PA

Built 1973 Load: 88.0 t ADT: 40

Commerce Street

Good

Over: Penn Ctr Undergrnd Ramp

BTWN.18TH & 19TH 28E12, Philadelphia, PA

Built 1957 Load: 88.0 t ADT: 2,000

RAMP 7NS

Good

Over: 6TH STREET;RAMP B6

VINE-I95 INTERCH.3590G07, Philadelphia, PA

Built 1989 Load: 88.0 t ADT: 29,204

T-423 JOHNS SCHOOL

Good

Over: GLADE RUN

0.25 MI SW OF T-388, Butler, PA

Built 2009 Load: 88.0 t ADT: 100

CHESTER PIKE

Good

Over: STONY CREEK

.75 MI. S. PA-420 3697K10, Delaware, PA

Built 2011 Load: 88.0 t ADT: 16,135

SR 4031 (OLD 219)

Good

Over: TR.LAUREL LICK RUN

4.25 MI.N.OF EBENSBURG, Cambria, PA

Built 1941 Load: 88.9 t ADT: 5,146

Showing 20,201-20,250 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.