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

SOUTH MAIN ST.

Poor

Over: FISHING CREEK

MARYSVILLE BORO/FISHNG CR, Perry, PA

Built 1933 Load: 29.9 t ADT: 450

SR 449-PA 449

Poor

Over: NINEMILE RUN

WALTON, Potter, PA

Built 1926 Load: 29.9 t ADT: 533

LR417 PA183

Poor

Over: SCHUYLKILL RIVER

INTERSEC.PA183-PA61, Schuylkill, PA

Built 1951 Load: 29.9 t ADT: 13,299

PA 985

Poor

Over: S FORK BRANCH BENS CREEK

FORWARDSTOWN, Somerset, PA

Built 1931 Load: 29.9 t ADT: 1,186

SR 2053

Poor

Over: JOHNSON POND CREEK

DIMOCK TWP 1.1M N SR 2026, Susquehanna, PA

Built 1934 Load: 29.9 t ADT: 459

SR 2067

Poor

Over: TUNKHANNOCK CREEK

GIBSON TWP 250 S TR 92, Susquehanna, PA

Built 1956 Load: 29.9 t ADT: 340

SR 3029

Poor

Over: FOREST LAKE CREEK

JESSUP TWP .2 M N TR 706, Susquehanna, PA

Built 1949 Load: 29.9 t ADT: 321

SR 4016 BAKER HILL

Poor

Over: BEATTY RUN

JACKSON TOWNSHIP, Venango, PA

Built 1950 Load: 29.9 t ADT: 123

T-685 SUGAR CK.DR.

Poor

Over: OVER SUGARCREEK TRIB.

SUGAR CREEK BOROUGH, Venango, PA

Built 1924 Load: 29.9 t ADT: 500

SR 4057

Poor

Over: BUFFALO CREEK

BLAINE TOWNSHIP, Washington, PA

Built 1946 Load: 29.9 t ADT: 106

BARR ST

Poor

Over: ROBBS RUN

BARR STREET BRIDGE, Washington, PA

Built 1936 Load: 29.9 t ADT: 600

SR 0170 TR 170

Poor

Over: WEST BR LACKAWAXEN RIVER

MT PLEAS TWP 2 M N TR 247, Wayne, PA

Built 1934 Load: 29.9 t ADT: 135

SR 0191 TR 191

Poor

Over: LITTLE EQUINUNK CREEK

DAMASCUS TP 1.2M N SR1025, Wayne, PA

Built 1932 Load: 29.9 t ADT: 1,252

SR 1007

Poor

Over: BRANCH BOYDS CREEK

DAMASCUS TWP .5M E SR1019, Wayne, PA

Built 1934 Load: 29.9 t ADT: 537

SR 3017

Poor

Over: SR 0070

ROSTRAVER TOWNSHIP, Westmoreland, PA

Built 1958 Load: 29.9 t ADT: 1,140

Ladysmith Road

Poor

Over: Little Sewickley Creek

1000 S of SR 0136, Westmoreland, PA

Built 1923 Load: 29.9 t ADT: 500

PA 216; MAIN ST.

Poor

Over: S BRANCH CODORUS CREEK

BORO OF GLEN ROCK, York, PA

Built 1923 Load: 29.9 t ADT: 5,732

PA 921; SR 0921

Poor

Over: LITTLE CONEWAGO CREEK

0.2 MI.W.I-83, York, PA

Built 1948 Load: 29.9 t ADT: 7,454

BROAD STREET S.B.

Poor

Over: I-95 RAMP A & RAMP C

N.PHILA.NAVY YARD 3700B07, Philadelphia, PA

Built 1969 Load: 29.9 t ADT: 9,897

68th Street

Poor

Over: CSX

at Kingsessing Ave 36E04, Philadelphia, PA

Built 1926 Load: 29.9 t ADT: 2,000

RAMP A OFF RAMP NB

Poor

Over: WHEATSHEAF LANE

BETSY ROSS INTERCH3591G02, Philadelphia, PA

Built 1974 Load: 29.9 t ADT: 13,408

CEMETERY ROAD

Poor

Over: BLOCK HOUSE RUN

.3 MI NO OF NEW BRIGHTON, Beaver, PA

Built 1940 Load: 29.9 t ADT: 400

T-823 Klaka Road

Poor

Over: Welty Run

0.8 MI FROM INT W/SR 2023, Westmoreland, PA

Built 1972 Load: 29.9 t ADT: 50

Henry Drive

Poor

Over: Little Wapwallopen Creek

875 S OF NUANGOLA ROAD, Luzerne, PA

Built 1936 Load: 29.9 t ADT: 75

OLD PAINTERSRUN RD

Poor

Over: PAINTERS RUN

PA02 PAINTERS RUN NO. 2, Allegheny, PA

Built 1899 Load: 30.8 t ADT: 5

LARIMER AV

Poor

Over: WASHINGTON BLVD (RT 8)

047 Larimer Ave over Wash, Allegheny, PA

Built 1912 Load: 30.8 t ADT: 8,000

BOOKER ST

Poor

Over: PUCKETA CREEK

PO05 PUCKETA CREEK # 5, Allegheny, PA

Built 1965 Load: 30.8 t ADT: 366

FT DUQ TO 10 ST

Poor

Over: RAMP D & ALLEG. RIVER

FORT DUQ SOUTH APPROACH, Allegheny, PA

Built 1968 Load: 30.8 t ADT: 1,914

SR2059

Poor

Over: GUFFY RUN

HUNGRY HOLLOW NO.4, Armstrong, PA

Built 1938 Load: 30.8 t ADT: 93

BEAVER VALLEY EX

Poor

Over: BUNKER HILL ROAD

1.5 MI N OF SR 3016, Beaver, PA

Built 1969 Load: 30.8 t ADT: 13,339

PA TPK (I-76)

Poor

Over: SR 1001 BEAVER RIV RR

EAST OF BEAVER VAL INTG, Beaver, PA

Built 1952 Load: 30.8 t ADT: 22,663

PA 31 & PA 96

Poor

Over: BUFFALO RUN

MANNS CHOICE, Bedford, PA

Built 1933 Load: 30.8 t ADT: 1,939

PA 56

Poor

Over: GORDONS CREEK

57 FEET EAST OF SR 4030, Bedford, PA

Built 1925 Load: 30.8 t ADT: 3,396

T-577 RIVERVIEW DR

Poor

Over: SIX MILE RUN

RIDDLESBURG, Bedford, PA

Built 1935 Load: 30.8 t ADT: 25

I-78 (LR 285)

Poor

Over: READING/NORTHERN RR T571

HAMBURG, Berks, PA

Built 1955 Load: 30.8 t ADT: 49,583

Ironstone Drive

Poor

Over: IRONSTONE CREEK

IRONSTONE DRIVE, Berks, PA

Built 1934 Load: 30.8 t ADT: 100

OLD RTE. 22

Poor

Over: STONE CREEK

3 MILES EAST OF BETHEL, Berks, PA

Built 1928 Load: 30.8 t ADT: 885

12TH STREET

Poor

Over: BRUSH RUN

12TH ST @ BRUSH RUN, Blair, PA

Built 1976 Load: 30.8 t ADT: 1,415

T-801 TWP. BR.# 4

Poor

Over: ROCKWELL CREEK

0.1 MI. S. OF BRUSHVLLE, Bradford, PA

Built 1925 Load: 30.8 t ADT: 25

DOYLESTOWN BY-PASS

Poor

Over: SEPTA & LR 09041

1.2MI.N.EASTON RD. 28J01, Bucks, PA

Built 1973 Load: 30.8 t ADT: 18,368

DOYLESTOWN BY-PASS

Poor

Over: SEPTA & LR 09041

1.2MI.N.EASTON RD. 28J01, Bucks, PA

Built 1973 Load: 30.8 t ADT: 18,266

SOUTH MAIN STREET

Poor

Over: US 202 BY-PASS

SOUTH DOYLESTOWN 29B01, Bucks, PA

Built 1973 Load: 30.8 t ADT: 9,946

TRUMBAUERSVILLE RD

Poor

Over: UNAMI CREEK

.1MI.E.PA.TPK.NE. 12K09, Bucks, PA

Built 1929 Load: 30.8 t ADT: 1,556

SR0008

Poor

Over: MUDDY CREEK

NORTH OF UNIONVILLE, Butler, PA

Built 1942 Load: 30.8 t ADT: 11,123

PA 53

Poor

Over: US 22

OVER TR 22, Cambria, PA

Built 1983 Load: 30.8 t ADT: 5,478

ST.MARYS AVENUE

Poor

Over: WALNUT RUN

St Marys Ave N Cambr Boro, Cambria, PA

Built 1915 Load: 30.8 t ADT: 307

MAIN STREET

Poor

Over: BEAR ROCK RUN

LILLY BOROUGH, Cambria, PA

Built 1938 Load: 30.8 t ADT: 359

SR 2002 (LR 13013)

Poor

Over: HUNTERS CREEK

LITTLE GAP, Carbon, PA

Built 1930 Load: 30.8 t ADT: 1,749

SR 3012(LR 13033)

Poor

Over: MAUCH CHUNK CREEK

LENTZ TRAIL ROAD, Carbon, PA

Built 1930 Load: 30.8 t ADT: 1,034

ROUTE 30 BY-PASS

Poor

Over: CREEK RD BRANDYWINE CK.

EAST CALN TWP. 20F13, Chester, PA

Built 1961 Load: 30.8 t ADT: 64,245

Showing 22,101-22,150 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.