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 4019

Good

Over: SANDY RUN

VILLAGE OF PINECROFT, Blair, PA

Built 2015 Load: 39.5 t ADT: 2,035

SR 1002 (LR 48025)

Good

Over: PA 33 (LR 1098)

SR 1002 OVER PA 33, Northampton, PA

Built 2015 Load: 39.5 t ADT: 7,220

SR 0982

Good

Over: SR 0030

0.1 mi N from SR 0030, Westmoreland, PA

Built 2015 Load: 39.5 t ADT: 10,524

SR 0044 SH

Good

Over: Antes Creek

4.5 Mi S of Jersey Shore, Lycoming, PA

Built 2015 Load: 39.5 t ADT: 4,639

SR 3015

Good

Over: Marsh Creek

1 MI N OF MCKNIGHTSTOWN, Adams, PA

Built 2015 Load: 39.5 t ADT: 344

SR 0940 SH

Good

Over: TOBYHANNA CK (POCONO LKE

5 MI E OF BLAKESLEE, Monroe, PA

Built 2016 Load: 39.5 t ADT: 5,329

T-807 GARRISON RD

Good

Over: BECKWITH CREEK

2 MI SE OF MOSHERVILLE, Bradford, PA

Built 2016 Load: 39.5 t ADT: 52

Braman Rd (SR1018)

Good

Over: BR LITTLE EQUINUNK CREEK

MANCHSTR TP 3.7M E TR 191, Wayne, PA

Built 2016 Load: 39.5 t ADT: 142

Buckwheat HollowRd

Good

Over: SOUTH RUN

MONROE TWP .2 M S SR 2002, Wyoming, PA

Built 2016 Load: 39.5 t ADT: 314

Jefferson Rd

Good

Over: BR SOUTH FORK TENMILE CK

JEFFERSON TOWNSHIP, Greene, PA

Built 2016 Load: 39.5 t ADT: 2,109

BUNOLA RIVER RD

Good

Over: PERRY MILL RUN

AT PANGBURN HOLLOW RD, Allegheny, PA

Built 2016 Load: 39.5 t ADT: 913

Findlay Street

Good

Over: PA TPK (I-76)

New Baltimore, Somerset, PA

Built 2015 Load: 39.5 t ADT: 250

CHURCH ST (SR 408)

Good

Over: Mackey Run

RICHMOND TOWNSHIP, Crawford, PA

Built 2016 Load: 39.5 t ADT: 1,119

Bocktown Cork Rd

Good

Over: Raredon Run

0.1 MI SW OF SR 151, Beaver, PA

Built 2016 Load: 39.5 t ADT: 382

SR 2001

Good

Over: PINEY CREEK

0.5 Mi N SR 2005 Inter., Clarion, PA

Built 2016 Load: 39.5 t ADT: 921

PA 863 (LR 39066)

Good

Over: I-78 (LR 443)

New Smithville Exit I-78, Lehigh, PA

Built 2016 Load: 39.5 t ADT: 2,221

SR 0267 SH

Good

Over: MIDDLE BR WYALUSING CRK

FRST LK TP 4.5M S SR 4014, Susquehanna, PA

Built 2017 Load: 39.5 t ADT: 1,508

River Rd (SR 66)

Good

Over: Carnahan Run

CARNAHAN RUN NO.1, Armstrong, PA

Built 2018 Load: 39.5 t ADT: 2,345

Long Run Rd

Good

Over: Long Run

SALONA, Clinton, PA

Built 2016 Load: 39.5 t ADT: 2,519

Rutter Rd (SR4004)

Good

Over: Armstrong Creek

2 MI. W. ENDERS, Dauphin, PA

Built 2016 Load: 39.5 t ADT: 387

W Warren Rd

Good

Over: Sheppard Run

CUSTER CITY, McKean, PA

Built 2016 Load: 39.5 t ADT: 1,404

SR 6 Grand Army Hy

Good

Over: Watson Run

VERNON TOWNSHIP, Crawford, PA

Built 2016 Load: 39.5 t ADT: 10,524

COUNTY LINE RD

Good

Over: ROARING RUN

SALTLICK & DONEGAL TWPS., Fayette, PA

Built 2018 Load: 39.5 t ADT: 997

JOHNSON HOLLOW RD

Good

Over: Downers Run

WASHINGTON TOWNSHIP, Fayette, PA

Built 2017 Load: 39.5 t ADT: 549

SR 0286

Good

Over: BLACKLEGS CREEK

CLARKSBURG NO.3, Indiana, PA

Built 2018 Load: 39.5 t ADT: 2,113

Puseyville Rd

Good

Over: W BR OCTORARO CREEK

PUSEYVILLE, Lancaster, PA

Built 2017 Load: 39.5 t ADT: 843

Dark Hollow Rd

Good

Over: Big Run

1 MI NORTH OF LAIRDSVILLE, Lycoming, PA

Built 2017 Load: 39.5 t ADT: 90

DERRICK RD (SR346)

Good

Over: Foster Brook

3 MI E BRADFORD, McKean, PA

Built 2017 Load: 39.5 t ADT: 3,154

FORT ROBINSON RD

Good

Over: BIXLERS RUN

FORT ROBINSON, Perry, PA

Built 2017 Load: 39.5 t ADT: 909

Canal St (SR 267)

Good

Over: Little Meshoppen Creek

MESHOPPEN BOR .1 M N TR 6, Wyoming, PA

Built 2017 Load: 39.5 t ADT: 1,610

York St (SR 30)

Good

Over: Rock Creek

GETTYSBURG, Adams, PA

Built 2019 Load: 39.5 t ADT: 14,416

Berwick Tpke Rd

Good

Over: Miller Run

0.25 MI N.OF MIDDLETOWN, Bradford, PA

Built 2018 Load: 39.5 t ADT: 1,327

PA TPK (I-76)

Good

Over: Mtown & Htown RR

Lower Swatara Twp., Dauphin, PA

Built 2016 Load: 39.5 t ADT: 24,423

Glendale Road

Good

Over: Brush Creek

Brush Creek Park, Beaver, PA

Built 2017 Load: 39.5 t ADT: 25

SR 0119

Good

Over: PINE RUN BUFF & PITT RR

0.2 Mi S SR 85 Inter., Indiana, PA

Built 2017 Load: 39.5 t ADT: 6,797

SR 1029

Good

Over: NORTH FORK PINE CREEK

300 Ft W SR 1032 Inter., Armstrong, PA

Built 2017 Load: 39.5 t ADT: 296

FRONT ST.

Good

Over: WILDCAT CREEK

LIVERPOOL, Perry, PA

Built 2017 Load: 39.5 t ADT: 291

RAMP A N.B. ON

Good

Over: GIRARD AVENUE

GIRARD AVE. INTC. 3591A05, Philadelphia, PA

Built 2017 Load: 39.5 t ADT: 13,326

SR 144-PA 144

Good

Over: SEDA-COG/NIT&BALD EGL RR

MILESBURG, Centre, PA

Built 2017 Load: 39.5 t ADT: 7,944

SR 0910

Good

Over: Deer Creek

2.4 mi SE of SR 0008, Allegheny, PA

Built 2019 Load: 39.5 t ADT: 4,445

STATE ROAD

Good

Over: LITTLE ELK CREEK

NEAR MT ROCKY 4020B05, Chester, PA

Built 2018 Load: 39.5 t ADT: 1,053

SR 0438 TR 438

Good

Over: ELM BROOK

SCOTT TWP .8 M E I-81, Lackawanna, PA

Built 2018 Load: 39.5 t ADT: 981

STATE STREET

Good

Over: INDIAN CREEK

1500 FT OF SR41 3800-E9, Chester, PA

Built 2018 Load: 39.5 t ADT: 8,699

MORRIS AVE. (G332)

Good

Over: MILL CREEK

1.2 MI E SR30 3478B5, Montgomery, PA

Built 2018 Load: 39.5 t ADT: 4,079

STORY ROAD

Good

Over: BEAVER RUN RESERVOIR

1.5 MI SW OF SR 819, Westmoreland, PA

Built 2018 Load: 39.5 t ADT: 1,000

COUNTY LINE EXPWAY

Good

Over: SCHUYLKILL RIVER TRAIL

W. NORRITON 3366C03, Montgomery, PA

Built 2019 Load: 39.5 t ADT: 138,484

I-95

Good

Over: MARLBOROUGH STREET

NR.GIRARD AVENUE 3590J06, Philadelphia, PA

Built 2019 Load: 39.5 t ADT: 147,295

POTTSTOWN BYPASS

Good

Over: NORFOLK SOUTHERN

L POTTSGROVE 3139B03, Montgomery, PA

Built 2019 Load: 39.5 t ADT: 55,039

SR 0084 I-84 EB

Good

Over: LACKA CO RR & ROARING BR

ROARING BR TWP .3ME TR435, Lackawanna, PA

Built 2022 Load: 39.5 t ADT: 18,138

PA 216; SR 0216

Good

Over: Pierceville Run

3.5 mi. SW of Glenn Rock, York, PA

Built 2019 Load: 39.5 t ADT: 4,066

Showing 16,101-16,150 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.