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

COURT ST.

Fair

Over: NORFLOK SOTHERN RR

COURT ST.BRIDGE, Berks, PA

Built 1969 Load: 8.2 t ADT: 2,500

T-893 (CO.BR.#24)

Fair

Over: TOWANDA CREEK

INT T416 & T893 IN POWELL, Bradford, PA

Built 1974 Load: 8.2 t ADT: 200

GAYMAN ROAD

Fair

Over: NORTH BR NESHAMINY CREEK

PLUMSTEAD TWP. 2922-F4, Bucks, PA

Built 1887 Load: 8.2 t ADT: 100

SR 3035

Fair

Over: L.CONEMAUGH RIVER

MINERAL POINT, Cambria, PA

Built 1961 Load: 8.2 t ADT: 557

PORTERS MILL ROAD

Fair

Over: PIGEON CREEK

S COVENTRY TWP 3138-G10, Chester, PA

Built 1928 Load: 8.2 t ADT: 1,430

WILSON RD (T-593)

Fair

Over: VALLEY CREEK

TREDYFFRIN TWP. 24C02, Chester, PA

Built 1886 Load: 8.2 t ADT: 24

T-841 CENTER ROAD

Fair

Over: OVER CUSSEWAGO CK. TRIB

2.5 MI. NW MOISIERTOWN, Crawford, PA

Built 1960 Load: 8.2 t ADT: 250

SHADY LANE T-510

Fair

Over: LETORT SPRING RUN

2.9 MI NE OF CARLISLE, Cumberland, PA

Built 1938 Load: 8.2 t ADT: 200

TOWNSHIP ROAD 371

Fair

Over: HOOVERS RUN

WAYNE TOWNSHIP, Greene, PA

Built 1890 Load: 8.2 t ADT: 50

NARRIS ROAD

Fair

Over: SWITZER CREEK

WEST OF PA 100, Lehigh, PA

Built 1965 Load: 8.2 t ADT: 100

COUNTY ROAD 560

Fair

Over: DELAWARE RIVER

LOC. RT 560 AT DELA. RIV., Columbia, PA

Built 1900 Load: 8.2 t ADT: 4,629

SR 0087

Fair

Over: LOYALSOCK CREEK

VILLAGE OF HILLSGROVE, Sullivan, PA

Built 1935 Load: 8.2 t ADT: 702

SR 322 28TH DIV.HY

Fair

Over: OVER PATCHELL RUN

SUGAR CREEK BOROUGH, Venango, PA

Built 1941 Load: 8.2 t ADT: 4,619

SR 6 EB GRAND ARMY

Fair

Over: OVER BROKENSTRAW CREEK

BROKENSTRAW TOWNSHIP, Warren, PA

Built 1968 Load: 8.2 t ADT: 3,411

SR 6 WB GRAND ARMY

Fair

Over: OVER BROKENSTRAW CREEK

BROKENSTRAW TOWNSHIP, Warren, PA

Built 1968 Load: 8.2 t ADT: 3,462

SR 4007

Fair

Over: EQUINUNK CREEK

BUCKINGHAM TWP 2ME SR4024, Wayne, PA

Built 1975 Load: 8.2 t ADT: 46

T-495 MORROW ROAD

Fair

Over: SINKING RUN

2.5 MI NE of CULP, Blair, PA

Built 2008 Load: 8.2 t ADT: 100

Park Access Road

Fair

Over: Two Mile Run

Inside Two Mile Run Pk, Beaver, PA

Built 1976 Load: 8.2 t ADT: 10

RAYMOND SHAFER HW

Fair

Over: SR 0050

I 79 NB OVER SR 50, Allegheny, PA

Built 1965 Load: 9.1 t ADT: 32,037

SR 1038

Fair

Over: ALLEGHENY RIVER

KITTANNING CITIZENS, Armstrong, PA

Built 1931 Load: 9.1 t ADT: 20,351

T328 MOSS ROAD

Fair

Over: PINEY CREEK

2 MI.W.OF PURCELL, Bedford, PA

Built 1983 Load: 9.1 t ADT: 21

QUARRY ROAD

Fair

Over: MORRIS RUN

2500 FT W SR 313; 2921-E1, Bucks, PA

Built 1889 Load: 9.1 t ADT: 200

T-473 RAY ROAD

Fair

Over: N BR SLIPPERY ROCK CR

500 FT FROM INT W/T-476, Butler, PA

Built 1940 Load: 9.1 t ADT: 50

ELKVIEW ROAD

Fair

Over: BIG ELK CREEK

3908 F2 ADC, Chester, PA

Built 1892 Load: 9.1 t ADT: 177

DEVEREUX ROAD

Fair

Over: EAST BR.BRANDYWINE CREEK

WALLACE TOWNSHIP 19J01, Chester, PA

Built 1877 Load: 9.1 t ADT: 546

SR 64-PA 64

Fair

Over: CEDAR RUN

CEDAR SPRINGS, Clinton, PA

Built 1957 Load: 9.1 t ADT: 7,685

T-751 CREEK ROAD

Fair

Over: OVER CUSSEWAGO CREEK

0.25 MI.E.TR-98 CUSSEWAGO, Crawford, PA

Built 1910 Load: 9.1 t ADT: 250

T-360 TOWNLINE RD.

Fair

Over: OVER FISH CREEK

SUMMERHILL TOWNSHIP, Crawford, PA

Built 1990 Load: 9.1 t ADT: 250

T-600 CRAIG ROAD

Fair

Over: OVER WOODCOCK CREEK

JUST SOUTH OF SAEGERTOWN, Crawford, PA

Built 1896 Load: 9.1 t ADT: 250

SR3012;Social Isle

Fair

Over: Conococheague Creek

.75 MI.E. OF TURKEY FOOT, Franklin, PA

Built 1860 Load: 9.1 t ADT: 3,052

T-734 BRUSH CREEK

Fair

Over: BRUSH CREEK

BTW T736 & T619, Indiana, PA

Built 1973 Load: 9.1 t ADT: 100

T-357 MCMANIGLE

Fair

Over: MILL RUN

1.0 MILE WEST OF SR 36, Jefferson, PA

Built 1910 Load: 9.1 t ADT: 50

SR 3010

Fair

Over: LICKING CREEK

PORT ROYAL, Juniata, PA

Built 1961 Load: 9.1 t ADT: 172

SR 4008 E-Town Rd

Fair

Over: PA 283; SR 0300

N OF ELIZABETHTOWN BORO, Lancaster, PA

Built 1968 Load: 9.1 t ADT: 6,365

T-627 BUCH MILL RD

Fair

Over: HAMMER CREEK

1000 FT NORTH OF T-927, Lancaster, PA

Built 1972 Load: 9.1 t ADT: 105

HAGGERTY ROAD

Fair

Over: LITTLE BEAVER CREEK

037007 NEW BEAVER BOROUGH, Lawrence, PA

Built 1961 Load: 9.1 t ADT: 200

GREENZWEIG RD.

Fair

Over: CHAPPLE CREEK

NW OF KUNKLETOWN, Monroe, PA

Built 1940 Load: 9.1 t ADT: 100

US 22/322W;SR0022

Fair

Over: COCOLAMUS CREEK

0.5MI SE OF MILLERSTOWN, Perry, PA

Built 1966 Load: 9.1 t ADT: 8,725

LAUREL RUN RD

Fair

Over: LAUREL RUN

4 SW LNDISBRG.LAUREL RUN, Perry, PA

Built 1955 Load: 9.1 t ADT: 75

LAKE RUSSELL ROAD

Fair

Over: FREELING RUN

LA ANNA AT PANTHER LAKE, Pike, PA

Built 1957 Load: 9.1 t ADT: 50

T301 WINONA FALLS

Fair

Over: SAW CREEK

AT SUGAR MT RD INTERSECT, Pike, PA

Built 1980 Load: 9.1 t ADT: 1,500

T480SCHOOLHOUSE RD

Fair

Over: MIDDLE BR. WYALUSING CR.

.5 MI SW OF BIRCHARDVILLE, Susquehanna, PA

Built 1887 Load: 9.1 t ADT: 50

GLEN AVENUE

Fair

Over: SHICKSHINNY CREEK

300 FT WEST OF SR 239, Luzerne, PA

Built 1900 Load: 9.1 t ADT: 100

Washington Street

Fair

Over: Nancy Run

Near Freemansburg, Northampton, PA

Built 1930 Load: 9.1 t ADT: 100

SR 1062

Fair

Over: NS FILE# 117-32232

CAYUTA ST SAYRE BORO, Bradford, PA

Built 1983 Load: 10.0 t ADT: 2,930

Barr Avenue

Fair

Over: WEST BR.SUSQUEHANNA RIV.

Barr Av N Cambria Boro, Cambria, PA

Built 1961 Load: 10.0 t ADT: 500

MADISON STREET

Fair

Over: LITTLE LICKING CREEK

0.09 mi S int w/ SR 58, Clarion, PA

Built 1930 Load: 10.0 t ADT: 100

T403 AUGHWICK M RD

Fair

Over: AUGHWICK CREEK

AUGHWICK MILLS, Huntingdon, PA

Built 1968 Load: 10.0 t ADT: 296

SOUTH PENN ST

Fair

Over: MAHONING CREEK

0.3 MILES SOUTH OF SR 36, Jefferson, PA

Built 1974 Load: 10.0 t ADT: 725

SR 0405

Fair

Over: N. B. SUSQUEHANNA RIVER

SUNBURY/PACKER IS.RVER BR, Northumberland, PA

Built 1988 Load: 10.0 t ADT: 13,307

Showing 151-200 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.