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

BABCOCK BLVD

Fair

Over: PA TURNPIKE

0.5 MI N SR 910, Allegheny, PA

Built 2007 Load: 37.9 t ADT: 6,640

PA 61 (LR 140)

Fair

Over: RBMNRR

SOUTH POTTSVILLE LINE, Schuylkill, PA

Built 2015 Load: 37.9 t ADT: 21,885

PA 16; SR 0016

Fair

Over: MINEY BRANCH

SW OF GETTYSBURG, Adams, PA

Built 1952 Load: 38.1 t ADT: 6,506

SR 1015

Fair

Over: SWIFT RUN

1 MI. S.E. OF NEW CHESTER, Adams, PA

Built 1940 Load: 38.1 t ADT: 1,832

West End Bridge

Fair

Over: OHIO RIVER CSX RR

West End Bridge, Allegheny, PA

Built 1930 Load: 38.1 t ADT: 46,023

SR 0028 SB

Fair

Over: PA TURNPIKE

SR 28 SB OVER TURNPIKE, Allegheny, PA

Built 1970 Load: 38.1 t ADT: 33,544

RAYMOND SHAFER HW

Fair

Over: SR 0060

I-79 SB OVER SR 0376, Allegheny, PA

Built 1971 Load: 38.1 t ADT: 22,032

SR 0279 NB SB

Fair

Over: WALKWAY TO POINT ST PARK

Fort Pitt Bridge, Allegheny, PA

Built 1968 Load: 38.1 t ADT: 35,302

GIBSONIA ROAD

Fair

Over: DEER CREEK

500FT W OF OAK RD, Allegheny, PA

Built 1966 Load: 38.1 t ADT: 9,313

BAYNE WEXFORD ROAD

Fair

Over: SR 0079 NB SB

SR 910 OVER I-79, Allegheny, PA

Built 1972 Load: 38.1 t ADT: 3,866

CORNELL AV

Fair

Over: I-279 PKWY N SPRUCE RUN

XP05 LEVI BIRD DUFF BRG, Allegheny, PA

Built 1983 Load: 38.1 t ADT: 5,500

PANTHER HOLLOW TR

Fair

Over: SCHENLEY PARK STREAM

90 Schenley Prk Hlw Trl 4, Allegheny, PA

Built 1908 Load: 38.1 t ADT: 50

MONROEVILLE BLVD

Fair

Over: TURTLE CREEK BRANCH

TL10 TURTLE CREEK NO 10, Allegheny, PA

Built 1988 Load: 38.1 t ADT: 4,122

RAMP J

Fair

Over: CROSSTOWN BLVD

SR0579 SB TO LIBERTY BR, Allegheny, PA

Built 1962 Load: 38.1 t ADT: 11,488

RAMP B

Fair

Over: BRADDOCK AVE.

RP.B OVER BRADDOCK AVE., Allegheny, PA

Built 1952 Load: 38.1 t ADT: 2,657

SR2019

Fair

Over: CAMPBELL RUN

CAMPBELL RUN NO.2, Armstrong, PA

Built 1940 Load: 38.1 t ADT: 295

SR2027

Fair

Over: CROOKED CREEK

NEAR GIRTY, Armstrong, PA

Built 1940 Load: 38.1 t ADT: 534

T-565 GRAHAM ROAD

Fair

Over: MILL RUN

500FT South of SR2008, Armstrong, PA

Built 1959 Load: 38.1 t ADT: 100

T-522 PARADISE BCH

Fair

Over: CROOKED CREEK

0.2 Mile East of SR66, Armstrong, PA

Built 1985 Load: 38.1 t ADT: 300

T-530 HAWK HOLLOW

Fair

Over: GARRETTS RUN

300 ft NE of Garretts Run, Armstrong, PA

Built 1956 Load: 38.1 t ADT: 350

T-362 PATN HOLLOW

Fair

Over: PATTERSON CREEK

1 mile south of SR 4013, Armstrong, PA

Built 1963 Load: 38.1 t ADT: 50

BEAVER VALLEY EXPY

Fair

Over: BRYSON ROAD

1.6 MI S OF GREENGARDEN R, Beaver, PA

Built 1969 Load: 38.1 t ADT: 14,291

WALLACE CITY RD

Fair

Over: BRUSH CREEK

1000 FT SOUTH OF TURNPIKE, Beaver, PA

Built 1958 Load: 38.1 t ADT: 839

PA TPK (I-76)

Fair

Over: TRIB BRUSH CR

EAST OF UNIONVILLE, Beaver, PA

Built 1952 Load: 38.1 t ADT: 22,663

US 30

Fair

Over: BUSINESS 220 (SR 4009)

OVER SR 4009, Bedford, PA

Built 1970 Load: 38.1 t ADT: 15,347

US 30

Fair

Over: BLOODY RUN & PA 26

OVER TR 26, Bedford, PA

Built 1980 Load: 38.1 t ADT: 8,536

US 220

Fair

Over: TR.EVITTS CREEK

0.2 MILE NORTH OF SR 3011, Bedford, PA

Built 1964 Load: 38.1 t ADT: 3,838

SR 1040

Fair

Over: SHOUP RUN

1 MI.N.OF SAXTON, Bedford, PA

Built 1920 Load: 38.1 t ADT: 218

SR 2015

Fair

Over: CLEAR CREEK

3.5 MI.S.OF EVERETT, Bedford, PA

Built 1952 Load: 38.1 t ADT: 626

SR 4010

Fair

Over: SHOBERS RUN

0.59 MILE WEST FROM US 30, Bedford, PA

Built 1936 Load: 38.1 t ADT: 7,084

SR 4020

Fair

Over: DUNNING CREEK

0.06 MILE WEST FROM PA 96, Bedford, PA

Built 1957 Load: 38.1 t ADT: 17

SR 61 (LR 160)

Fair

Over: TRIB.SCHUYLKILL RIVER

2 MI S OF SHOEMAKERSVILLE, Berks, PA

Built 1948 Load: 38.1 t ADT: 21,992

SR 78 (LR 141)

Fair

Over: TWP.RD 740 (TILDEN RD.)

I-78 OVER TILDEN RD., Berks, PA

Built 1962 Load: 38.1 t ADT: 32,446

SR 176 NB(LR 1011)

Fair

Over: WESTLEY RD. (T-340)

5 MI N OF MORGANTOWN, Berks, PA

Built 1962 Load: 38.1 t ADT: 9,452

I-176SB (LR 1011)

Fair

Over: WESTLEY RD.(T-340)

5 MI.N.OF MORGANTOWN, Berks, PA

Built 1962 Load: 38.1 t ADT: 8,806

PA 183 (LR310)

Fair

Over: LITTLE NORTHKILL CREEK

2 MI.N.OF BERNVILLE, Berks, PA

Built 1954 Load: 38.1 t ADT: 12,482

PA 419(LR 382)

Fair

Over: TULPEHOCKEN CREEK

.75 MI.N.OF WOMELSDORF, Berks, PA

Built 1926 Load: 38.1 t ADT: 4,439

SR 1004 (LR 06116)

Fair

Over: LAUREL CREEK

MT. LAUREL ROAD, Berks, PA

Built 1974 Load: 38.1 t ADT: 3,634

SR 1010 (LR 06119)

Fair

Over: TRIB.TO SACONY CREEK

FLEETWOOD ROAD, Berks, PA

Built 1958 Load: 38.1 t ADT: 10,860

SR 2051(LR 06156)

Fair

Over: FURNACE RUN

MANATAWNY ROAD, Berks, PA

Built 1977 Load: 38.1 t ADT: 583

LESHER ROAD

Fair

Over: LITTLE NORTHKILL CREEK

LESHERS FARM BRIDGE, Berks, PA

Built 1973 Load: 38.1 t ADT: 200

I-99 / US 220 NBL

Fair

Over: SR 2012

1 MI.N.OF NEWRY, Blair, PA

Built 1984 Load: 38.1 t ADT: 8,640

SR 1009

Fair

Over: I-99 /US 220 & RAMPS

.25 MI.S.OF ALTOONA, Blair, PA

Built 1985 Load: 38.1 t ADT: 12,244

SR 3013

Fair

Over: BEAVERDAM CREEK

.5 MI.N.OF SPROUL, Blair, PA

Built 1957 Load: 38.1 t ADT: 5,948

T367 CREAM HOL.RD

Fair

Over: SOUTH DRY RUN

VILLAGE OF EAST FREEDOM, Blair, PA

Built 1987 Load: 38.1 t ADT: 103

T377 Eastep Road

Fair

Over: CLOVER CREEK

5 MI.S.OF WILLIAMSBURG, Blair, PA

Built 1998 Load: 38.1 t ADT: 53

WEST 8TH AVENUE

Fair

Over: SPRING RUN

PARK BLVD WEST 8TH AVE, Blair, PA

Built 1993 Load: 38.1 t ADT: 1,375

S.R.187

Fair

Over: SUSQUEHANNA RIVER

WYSOX PIN/HANGER BRIDGE, Bradford, PA

Built 1966 Load: 38.1 t ADT: 3,449

TENNIS AVE.(T456)

Fair

Over: INTERSTATE 95 AMTRAK

.9MI.N.PHIL.LINE 45E05, Bucks, PA

Built 1964 Load: 38.1 t ADT: 6,050

DUBLIN PIKE

Fair

Over: NORTH BR.NESHAMINY CREEK

FOUNTAINVILLE 22G05, Bucks, PA

Built 1920 Load: 38.1 t ADT: 18,709

Showing 7,051-7,100 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.