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 3011

Good

Over: SLAB CABIN RUN

1.5 MI. S. LEMONT, Centre, PA

Built 2012 Load: 36.6 t ADT: 8,953

SR 4007

Good

Over: CALIFORNIA BROOK

2 MI NE OF WESTFIELD, Tioga, PA

Built 2012 Load: 36.6 t ADT: 164

SR 0381

Good

Over: Bear Run

10.2 mi N from SR 0040, Fayette, PA

Built 2012 Load: 36.6 t ADT: 1,808

T398 Old Route 30

Good

Over: Slate Creek

0.66 Mi SE of SR30, Westmoreland, PA

Built 2012 Load: 36.6 t ADT: 6,020

PA 214; SR 0214

Good

Over: S BR OF CODORUS CREEK

SEVEN VALLEYS BORO, York, PA

Built 2012 Load: 36.6 t ADT: 5,270

SR 1011

Good

Over: LITTLE BUFFALO CREEK

LITTLE BUFFALO STATE PARK, Perry, PA

Built 2013 Load: 36.6 t ADT: 816

PA 345

Good

Over: HAY CREEK

EAST MAIN ST BIRDSBORO, Berks, PA

Built 2013 Load: 36.6 t ADT: 6,082

RIDGE ROAD

Good

Over: PA TPK (I-476)

3.25 MI. W. PA-309 2918H5, Montgomery, PA

Built 2014 Load: 36.6 t ADT: 7,025

SR 0068

Good

Over: SUGAR CREEK

0.1 Mi W SR 4002 Intersec, Armstrong, PA

Built 2014 Load: 36.6 t ADT: 2,617

SR 1055

Good

Over: PARKS CREEK

4MI SOUTH OF BIXBY CORNER, Bradford, PA

Built 2014 Load: 36.6 t ADT: 399

SR 0084 I-84 WB

Good

Over: SR 0006 TR 6

WESTFALL TWP OVER TR 6, Pike, PA

Built 2015 Load: 36.6 t ADT: 9,629

Fisher Dam Road

Good

Over: Schuylkill River

1.3 Mi. W. of SR 61, Berks, PA

Built 2015 Load: 36.6 t ADT: 703

Encks Mill road

Good

Over: Yellow breeches

5.5 M W MT Holly/Yellow B, Cumberland, PA

Built 2014 Load: 36.6 t ADT: 200

SHELBOURNE JUG

Good

Over: ANTIETAM CREEK

SHELBOURNE RD JUGHANDLE, Berks, PA

Built 2015 Load: 36.6 t ADT: 3,086

Hulton Bridge

Good

Over: N&S RR ALLEGHENY RIVER

Hulton Bridge, Allegheny, PA

Built 2015 Load: 36.6 t ADT: 22,668

SR 1011

Good

Over: HEMLOCK CREEK

HARMONY TWP .5M N SR 1009, Susquehanna, PA

Built 2015 Load: 36.6 t ADT: 45

SR 0093

Good

Over: BR.OF BRIAR CREEK

3 MILES E OF ORANGEVILLE, Columbia, PA

Built 2015 Load: 36.6 t ADT: 1,810

T-551

Good

Over: Craynes Run

Washington Township, Greene, PA

Built 2015 Load: 36.6 t ADT: 20

Creamery Road

Good

Over: DUNDAFF CREEK

Clifford TWP 200W TR 106, Susquehanna, PA

Built 2015 Load: 36.6 t ADT: 179

SR 0058

Good

Over: BLACKS CREEK

1.7 Mi W SR 308 Inter., Butler, PA

Built 2015 Load: 36.6 t ADT: 667

SOUTH MAIN STREET

Good

Over: Hickory Creek

At Intersection w/ SR 317, Lawrence, PA

Built 2015 Load: 36.6 t ADT: 601

U.S. 202

Good

Over: PLANEBROOK ROAD

1 MI. N. US30 3473H04, Chester, PA

Built 2016 Load: 36.6 t ADT: 105,727

Little Mountain Rd

Good

Over: Trexler Run

0.75 MI.E.OF COLUMBIA CO., Schuylkill, PA

Built 2016 Load: 36.6 t ADT: 397

Masonic Drive

Good

Over: Conoy Creek

900 ft from W Bainbr. ST, Lancaster, PA

Built 2014 Load: 36.6 t ADT: 870

SR 0084 I-84 EB

Good

Over: SR 0006 TR 6

WESTFALL TWP OVER TR 6, Pike, PA

Built 2016 Load: 36.6 t ADT: 10,840

SR 87

Good

Over: OVER LICK RUN

1.5 MI N OF FORKSVILLE, Sullivan, PA

Built 2016 Load: 36.6 t ADT: 825

Sticks Road

Good

Over: Centerville Creek

1 MI W of Glen Rock, York, PA

Built 2016 Load: 36.6 t ADT: 3,038

S.R.554

Good

Over: OVER HAGERMANS RUN

3 MI S OF WILLIAMSPORT, Lycoming, PA

Built 2016 Load: 36.6 t ADT: 1,188

ROLLING MEADOWS RD

Good

Over: COAL LICK RUN

FRANKLIN TOWNSHIP, Greene, PA

Built 2016 Load: 36.6 t ADT: 1,764

SR 2001

Good

Over: BEAVER RUN

1 MI N OF VICKSBURG, Union, PA

Built 2016 Load: 36.6 t ADT: 538

PA 441; River rd.

Good

Over: Chickies Creek

1 MI. E. OF MARIETTA, Lancaster, PA

Built 2016 Load: 36.6 t ADT: 18,203

Weaver Mill Road

Good

Over: Georges Creek

South of Smithfield, Fayette, PA

Built 2016 Load: 36.6 t ADT: 108

SR 2022 (LR 45060)

Good

Over: Brodhead Creek

Stokes Ave, Monroe, PA

Built 2016 Load: 36.6 t ADT: 6,517

28th DIVISION HWY

Good

Over: MIDDLE CREEK

VILLAGE OF CLAY, Lancaster, PA

Built 2018 Load: 36.6 t ADT: 10,611

Bear Creek BL

Good

Over: LITTLE SHADES CREEK

BEAR CR TW 1.2M S SR 2038, Luzerne, PA

Built 2017 Load: 36.6 t ADT: 5,601

FAIRVIEW RD

Good

Over: UPPER DRY RUN

100N.OF SR 4034, Beaver, PA

Built 2018 Load: 36.6 t ADT: 1,325

Bucktail Trail Hwy

Good

Over: Big Run

TRUMAN, Cameron, PA

Built 2017 Load: 36.6 t ADT: 2,298

TWP-

Good

Over: BUFFALO CREEK

N. 3RD STR MIFFLINBURG, Union, PA

Built 2017 Load: 36.6 t ADT: 237

Center Ave.

Good

Over: Fallen Timber Run

500 East of SR 51, Allegheny, PA

Built 2020 Load: 36.6 t ADT: 10,527

STREET ROAD

Good

Over: BRANDYWINE CREEK

.2MI. W. OLD 100 3693A6, Chester, PA

Built 2017 Load: 36.6 t ADT: 12,042

SR 2007

Good

Over: SR 80 EB&WB

SR 2007 & SR 80 Inter., Clarion, PA

Built 2017 Load: 36.6 t ADT: 278

North Locust St

Good

Over: Santo Domingo Creek

1200 Ft N of SR 772, Lancaster, PA

Built 2017 Load: 36.6 t ADT: 396

SR 3020

Good

Over: I 83; SR 0083

1.5MI E OF HARRISBURG, Dauphin, PA

Built 2017 Load: 36.6 t ADT: 36,515

RAMP EE

Good

Over: I-95 RAMPS X Y & C

(BRI) RAMP EE 3591G01, Philadelphia, PA

Built 2017 Load: 36.6 t ADT: 8,541

T848 Cnstga Crk Rd

Good

Over: Conestoga Creek

1500 Ft SE of SR 897, Lancaster, PA

Built 2017 Load: 36.6 t ADT: 90

PA 194; SR 0194

Good

Over: BERMUDIAN CREEK

1.8 MI.S. OF BIG DAM, York, PA

Built 2017 Load: 36.6 t ADT: 4,348

PINEY FORK RD

Good

Over: CATFISH RUN

@ S.PARK SEWAGE PLANT, Allegheny, PA

Built 2018 Load: 36.6 t ADT: 4,250

SR 3013

Good

Over: PA TPK (Toll 476)

TAYLOR BO .7M N SR 3016, Lackawanna, PA

Built 2017 Load: 36.6 t ADT: 11,174

SR 2035 SUSCON RD

Good

Over: BRANCH OF BEAR CREEK

JENKINS TP 1.1M N SR 2036, Luzerne, PA

Built 2018 Load: 36.6 t ADT: 798

T-487 IVA JEN RD

Good

Over: N BR COWANESQUE RIVER

AT SR 1019 INTERSECTION, Potter, PA

Built 2018 Load: 36.6 t ADT: 50

Showing 14,701-14,750 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.