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 2028(LR 45061)

Fair

Over: BRODHEAD CREEK

0.5 MI.N.OF DEL.WATER GAP, Monroe, PA

Built 1960 Load: 51.7 t ADT: 3,749

CAMP HILL ROAD

Fair

Over: SANDY RUN

FORT WASHINGTON 3257H10, Montgomery, PA

Built 1930 Load: 51.7 t ADT: 6,030

TYSON AVENUE

Fair

Over: SUSQUEHANNA ROAD

UPPER DUBLIN 3370-J01, Montgomery, PA

Built 1964 Load: 51.7 t ADT: 1,063

GERMANTOWN PIKE

Fair

Over: SAW MILL CREEK

1 MI SW OF SR 0202 29F06, Montgomery, PA

Built 1971 Load: 51.7 t ADT: 26,355

VALLEY ROAD

Fair

Over: MEADOWBROOK CREEK

1.7MI NE OR SR611 3371-E3, Montgomery, PA

Built 1963 Load: 51.7 t ADT: 8,000

STORE ROAD T-403

Fair

Over: BRANCH OF SKIPPACK CREEK

1.13 MI NE SR-73 3142-K3, Montgomery, PA

Built 1969 Load: 51.7 t ADT: 240

TRAPPE ROAD

Fair

Over: SCHOOL HOUSE RUN

0.75MI.SW OF SR29 3141-F6, Montgomery, PA

Built 1940 Load: 51.7 t ADT: 1,300

PATPK I476 RP M&N

Fair

Over: SR 3053; (LR145)

MID-COUNTY INTERCH.29J09, Montgomery, PA

Built 1992 Load: 51.7 t ADT: 90,561

T-322 ATKINS RD

Fair

Over: E BR FISHING CRK

800 FT NE OF SR 4005, Potter, PA

Built 1982 Load: 51.7 t ADT: 50

PA 895

Fair

Over: BEAR CREEK

4.7 MI. W. OF AUBURN BORO, Schuylkill, PA

Built 1938 Load: 51.7 t ADT: 711

SR 4030 (LR 161)

Fair

Over: MAHANOY CREEK

EAST END OF GIRARDVILLE, Schuylkill, PA

Built 1994 Load: 51.7 t ADT: 2,826

ORIENTAL RD

Fair

Over: WEST BR MAHANTANGO CRK

3.5 MI SW OF MEISERVILLE, Snyder, PA

Built 1961 Load: 51.7 t ADT: 492

SR 0171 TR 171

Fair

Over: Central New York RR

GREAT BEND TP .3 M E I-81, Susquehanna, PA

Built 1959 Load: 51.7 t ADT: 2,047

SR 2096

Fair

Over: HORTON CREEK

LATHROP TWP .1M E SR 2009, Susquehanna, PA

Built 1940 Load: 51.7 t ADT: 134

SR 3023

Fair

Over: ELK LAKE STREAM

RUSH TWP 1.5 M W SR 3001, Susquehanna, PA

Built 1965 Load: 51.7 t ADT: 801

SR 287

Fair

Over: OVER WILSON CREEK

5 MI NORTH OF MORRIS, Tioga, PA

Built 1988 Load: 51.7 t ADT: 2,444

T-557 INDEPENDENT

Fair

Over: BEATTY RUN

SUGAR CREEK BORO LINE, Venango, PA

Built 1960 Load: 51.7 t ADT: 120

SR 0079

Fair

Over: CHARTIERS CREEK

N. STRABANE & CECIL TWPS., Washington, PA

Built 1964 Load: 51.7 t ADT: 25,471

SR 0079 SB

Fair

Over: SR 1032

CECIL TOWNSHIP, Washington, PA

Built 1994 Load: 51.7 t ADT: 45,914

SR 0006 TR 6

Fair

Over: LACKAWAXEN RIVER

PROMPTON BO .2M W SR 4003, Wayne, PA

Built 1943 Load: 51.7 t ADT: 7,151

SR 0247 TR 247

Fair

Over: WEST BR OF DYBERRY CREEK

MT PLSNT TWP .8 MN TR 371, Wayne, PA

Built 1937 Load: 51.7 t ADT: 1,129

SR 0030

Fair

Over: Southwest PA Railroad

HEMPFIELD TOWNSHIP, Westmoreland, PA

Built 1959 Load: 51.7 t ADT: 18,616

UNITED ROAD

Fair

Over: SEWICKLEY CREEK

1/2 MI WEST OF SR 981, Westmoreland, PA

Built 1987 Load: 51.7 t ADT: 4,300

SR 0029 TR 29

Fair

Over: BOWMANS CREEK

MONROE TWP @ JCT SR 2001, Wyoming, PA

Built 1992 Load: 51.7 t ADT: 1,978

SR 4009

Fair

Over: BENNETT RUN

1 MILE SOUTH OF PA 382, York, PA

Built 1938 Load: 51.7 t ADT: 2,452

33RD STREET

Fair

Over: AMTRAK-PA CENTRAL RR

NR.JEFFERSON STR 3589 K04, Philadelphia, PA

Built 1905 Load: 51.7 t ADT: 20,015

INTERSTATE 95 N.B.

Fair

Over: CALLOWHILL STREET

NEAR RACE STREET 3590H07, Philadelphia, PA

Built 1973 Load: 51.7 t ADT: 80,788

LINDEN AVENUE

Fair

Over: INTERSTATE 95;RAMP G

PHILADELPHIA 3483A03, Philadelphia, PA

Built 1965 Load: 51.7 t ADT: 13,365

DEMUTH STREET

Fair

Over: SAMS RUN

GEISTOWN BORO DEMUTH ST, Cambria, PA

Built 1994 Load: 51.7 t ADT: 308

SR 49-PA 49

Fair

Over: COWANESQUE RIVER

1 MI SE HARRISON VALLEY, Potter, PA

Built 1995 Load: 51.7 t ADT: 1,802

SR 80-I 80

Fair

Over: SR 64-PA 64

EX 173 LAMAR INTERCHANGE, Clinton, PA

Built 2001 Load: 51.7 t ADT: 9,285

JACKSON STREET

Fair

Over: NORFOLK SOUTHERN RR

GALLITZIN BORO JACKSON ST, Cambria, PA

Built 2001 Load: 51.7 t ADT: 610

SR 1020

Fair

Over: PIPERS RUN

1.4 MILE EAST OF SR 1009, Bedford, PA

Built 2004 Load: 51.7 t ADT: 82

I-81 NB ; SR 0081

Fair

Over: SR 0078 WB & RAMP E

I-81N.B. & I-78 SPLIT, Lebanon, PA

Built 2005 Load: 51.7 t ADT: 11,354

PENN DIXIE ROAD

Fair

Over: E. BR. MONOCACY CREEK

NE OF BATH, Northampton, PA

Built 1930 Load: 51.7 t ADT: 150

T-658 Grove Road

Fair

Over: North Branch Muddy Creek

Windsor and Hopewell Twps, York, PA

Built 2004 Load: 51.7 t ADT: 100

T-424 FALLS ROAD

Fair

Over: FALK RUN

NEAR FRANCIS RD INTERSECT, Erie, PA

Built 2000 Load: 51.7 t ADT: 264

PA 309 BY-PASS

Fair

Over: PENNSYLVANIA AVE./SEPTA

FORT WASH. 3257H10, Montgomery, PA

Built 2008 Load: 51.7 t ADT: 58,794

BEVERLY BLVD

Fair

Over: NAYLORS RUN

S OF GARRETT RD 3588-G8, Delaware, PA

Built 1980 Load: 51.7 t ADT: 1,000

2ND STREET

Fair

Over: STAMANS RUN

500 FT NORTH OF RT 999, Lancaster, PA

Built 1972 Load: 51.7 t ADT: 50

CORPORATE DR

Fair

Over: TRIBUTARY TO NESCOPECK C

3/4 MI OFF OF RT 309, Luzerne, PA

Built 2000 Load: 51.7 t ADT: 150

BRIGGS HOLLOW ROAD

Fair

Over: S. FORK STRAIGHT CREEK

EAST OF EAST BRANCH LAKE, Elk, PA

Built 2017 Load: 51.8 t ADT: 600

GOLDEN MILE HW

Fair

Over: SR 0022

OVER SR 0022, Allegheny, PA

Built 1950 Load: 52.6 t ADT: 8,903

EWING RD

Fair

Over: MONTOUR RUN

1 MI.SW OF NEVILLE ISLE., Allegheny, PA

Built 1987 Load: 52.6 t ADT: 1,724

MOUNT NEBO RD

Fair

Over: BEAR RUN

250E.OF INTER.W/SR 4029, Allegheny, PA

Built 1987 Load: 52.6 t ADT: 7,939

SR1033

Fair

Over: PINE CREEK

NORTH OF KITTANNING, Armstrong, PA

Built 1961 Load: 52.6 t ADT: 936

SR 3009

Fair

Over: EVITTS CREEK

.7 MI.E.OF CENTERVILLE, Bedford, PA

Built 1937 Load: 52.6 t ADT: 376

PA TPK (I-76)

Fair

Over: SPICER BROOK

EAST OF NEW BUENA VISTA, Bedford, PA

Built 1939 Load: 52.6 t ADT: 30,600

T565 Cider Press R

Fair

Over: DUNNING CREEK

1 MI.NE.OF RYOT, Bedford, PA

Built 1980 Load: 52.6 t ADT: 50

SR 78 (LR 141)

Fair

Over: TWP.RD 558(PINE ROAD)

1 MI.W.OF HAMBURG, Berks, PA

Built 1962 Load: 52.6 t ADT: 32,446

Showing 10,851-10,900 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.