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

T-549 Thermo Vill

Fair

Over: PA TPK (I-76)

EAST OF NEW STANTON, Westmoreland, PA

Built 1997 Load: 70.8 t ADT: 200

T-872

Fair

Over: PA TPK (I-76)

WEST OF DONEGAL INTERCHGE, Westmoreland, PA

Built 1980 Load: 70.8 t ADT: 200

SR 1010

Fair

Over: Norfolk Southern RR

0.5 MI.N. OF EMIGSVILLE, York, PA

Built 1987 Load: 70.8 t ADT: 2,185

SCHUYLKILL EWY. WB

Fair

Over: PILE SUPPORTED SLAB

VINE ST.INTERCH. 3590A07, Philadelphia, PA

Built 1987 Load: 70.8 t ADT: 73,769

RPS.NV;SV;VN(I676)

Fair

Over: FIFTH STREET;SEPTA;RMPS.

VINE ST.INTERCH. 3590G07, Philadelphia, PA

Built 1989 Load: 70.8 t ADT: 100,933

RAMP F TO EB EXPWY

Fair

Over: CITY LINE (NB) RAMP B

CITY LINE INT 40K1/3479G9, Montgomery, PA

Built 1955 Load: 70.8 t ADT: 11,936

GROSSTOWN ROAD

Fair

Over: NORFOLK SOUTHERN (HSB)

.4 Mi N US-422 3137-K1, Montgomery, PA

Built 1996 Load: 70.8 t ADT: 5,300

PA TPK (I-276)

Fair

Over: SR 3013

NEAR NORRISTOWN, Montgomery, PA

Built 2000 Load: 70.8 t ADT: 65,138

T-453 DEER RUN RD

Fair

Over: OVER PATCHEN RUN

SUGAR GROVE TOWNSHIP, Warren, PA

Built 2000 Load: 70.8 t ADT: 100

McCAULY AVE

Fair

Over: BEAVER RUN

80 FT S OF SR 2008, Clearfield, PA

Built 1960 Load: 70.8 t ADT: 50

BIG BEAVER BLVD

Fair

Over: TRIB TO WALLACE RUN

3200 NORTH OF SR 0551, Beaver, PA

Built 1950 Load: 71.7 t ADT: 11,613

TWP ROUTE 514 RT

Fair

Over: RACCOON CREEK TRIB.

004038 0.2 MI S/SR0151, Beaver, PA

Built 1989 Load: 71.7 t ADT: 150

TPK RP CONN I-70

Fair

Over: SR 2029

EB AT BREEZEWOOD INTG, Bedford, PA

Built 1940 Load: 71.7 t ADT: 8,598

CENTER AVENUE

Fair

Over: CONNOQUENESSING CR

BTWN SOUTH CLIFF & WALKER, Butler, PA

Built 1986 Load: 71.7 t ADT: 1,500

BALTIMORE PIKE

Fair

Over: EAST BR. BIG ELK CREEK

5MI.EAST OXFORD 44H08, Chester, PA

Built 1987 Load: 71.7 t ADT: 6,617

SR 3006

Fair

Over: CHEST CREEK

WESTOVER BORO, Clearfield, PA

Built 1989 Load: 71.7 t ADT: 411

T-860 WILSON RD

Fair

Over: RATTLESNAKE RUN

25 FT S OF SR 1008, Jefferson, PA

Built 1984 Load: 71.7 t ADT: 150

SR 3009

Fair

Over: BRANCH OF GARDNERS CREEK

NEWTON TWP .8M S SR 3003, Lackawanna, PA

Built 1937 Load: 71.7 t ADT: 579

T-369

Fair

Over: QUENSHUKENY RUN

0.9 MI. NORTH OF LINDEN, Lycoming, PA

Built 1955 Load: 71.7 t ADT: 100

SPRING MOUNT ROAD

Fair

Over: SWAMP CREEK

500 FT NE OF SR 0029, Montgomery, PA

Built 1991 Load: 71.7 t ADT: 5,350

SR 6-US 6

Fair

Over: JOHNSON BROOK

1 MI E GALETON, Potter, PA

Built 1964 Load: 71.7 t ADT: 3,968

PA TPK (I-76)

Fair

Over: STONYCREEK RIVER

NEAR BROTHERTON, Somerset, PA

Built 2004 Load: 71.7 t ADT: 29,452

SR 0019

Fair

Over: LITTLE CHARTIERS CREEK

N. STRABANE & PETERS TWPS, Washington, PA

Built 1948 Load: 71.7 t ADT: 24,763

SR 0070

Fair

Over: CHARTIERS CREEK

CANTON TOWNSHIP, Washington, PA

Built 1960 Load: 71.7 t ADT: 40,511

SR 0030

Fair

Over: MILL CREEK

LIGONIER TOWNSHIP, Westmoreland, PA

Built 1955 Load: 71.7 t ADT: 5,393

GIRL SCOUT CAMP RD

Fair

Over: HENDRICKS RUN

BETWEEN SR 1011 & SR 259, Westmoreland, PA

Built 1919 Load: 71.7 t ADT: 50

SR 1012

Fair

Over: TRIB CODORUS CREEK

0.5 MI S EMIGSVILLE, York, PA

Built 1956 Load: 71.7 t ADT: 9,081

SCHUYLKILL EB;RM.B

Fair

Over: PILE SUPPORTED SLAB

VINE ST.INTERCH. 3590A07, Philadelphia, PA

Built 1987 Load: 71.7 t ADT: 57,785

RAMP A (I-676 WB)

Fair

Over: PILE SUPPORTED SLAB

VINE ST.I76 INTCH 3590A06, Philadelphia, PA

Built 1987 Load: 71.7 t ADT: 62,346

I676(WB)CONNECTION

Fair

Over: FOURTH STREET

VINE ST.INTERCH. 3590G07, Philadelphia, PA

Built 1989 Load: 71.7 t ADT: 33,423

95NB OFFRAMP A

Fair

Over: RICHMOND STREET

BETSY ROSS INTERC.3591G02, Philadelphia, PA

Built 1974 Load: 71.7 t ADT: 13,408

T-536 CALICO ROAD

Fair

Over: S BR SLIPPERY ROCK CR

0.6miSW ofT-503(Meals Rd), Butler, PA

Built 1998 Load: 71.7 t ADT: 50

SR 4030

Fair

Over: GEORGES CREEK

LOVELY, Bedford, PA

Built 1937 Load: 71.7 t ADT: 100

LINCOLN HW

Fair

Over: TRAVERSE CREEK

OVER TRAVERSE CR., Beaver, PA

Built 1984 Load: 72.6 t ADT: 5,138

MIDLAND RD

Fair

Over: LITTLE BEAVER CK

GLASGOW BRIDGE NEAR OHIO, Beaver, PA

Built 1982 Load: 72.6 t ADT: 7,633

SR 3009

Fair

Over: LAKE GORDON

LAKE GORDON, Bedford, PA

Built 1916 Load: 72.6 t ADT: 146

SR 3005

Fair

Over: SMOKY RUN

.5 MI.S.OF KLAHR, Blair, PA

Built 1929 Load: 72.6 t ADT: 487

SR 220

Fair

Over: SR 3018-BRIDGE ST.

TOWANDA BORO, Bradford, PA

Built 1974 Load: 72.6 t ADT: 3,482

SR 2010

Fair

Over: SOUTH BRANCH TOWANDA CRK

NEW ALBANY BORO, Bradford, PA

Built 1939 Load: 72.6 t ADT: 1,256

T-657 GERMAN ROAD

Fair

Over: OVER WOODCOCK CREEK TR.

GERMAN ROAD T-657, Crawford, PA

Built 1989 Load: 72.6 t ADT: 250

SAW MILL ROAD

Fair

Over: DARBY CREEK

1.1MI.WEST PA-320 13-A1, Delaware, PA

Built 1922 Load: 72.6 t ADT: 4,029

SR 2019

Fair

Over: WHITELEY CREEK

GREENE TOWNSHIP, Greene, PA

Built 1932 Load: 72.6 t ADT: 188

BUCKINGHAM ST

Fair

Over: TOBY CREEK

AT SR 1013 INTERSECT, Luzerne, PA

Built 1980 Load: 72.6 t ADT: 2,400

SR 2046

Fair

Over: OVER MAHANOY CREEK

2 MI SW OF GOWAN CITY, Northumberland, PA

Built 1915 Load: 72.6 t ADT: 114

BROAD STREET

Fair

Over: VINE STREET EXPRESSWAY

VINE STRRET EXWY. 3590D07, Philadelphia, PA

Built 1989 Load: 72.6 t ADT: 19,489

SR 2025

Fair

Over: PA TURNPIKE;I76;MP 88.89

MT PLEASANT, Westmoreland, PA

Built 2001 Load: 72.6 t ADT: 1,618

SR3001 SPRING CK.R

Fair

Over: OVER SPRING CREEK E.BR.

SPRING CREEK TOWNSHIP, Warren, PA

Built 2005 Load: 72.6 t ADT: 208

T-875 AUCTION RD

Fair

Over: CHIQUES CREEK

1.5 MI SW OF SR 72, Lancaster, PA

Built 2009 Load: 72.6 t ADT: 925

HIGHLAND PARK BRG

Fair

Over: FREEPORT RD

Highland Park Bridge, Allegheny, PA

Built 1938 Load: 73.5 t ADT: 45,620

MCKNIGHT RD

Fair

Over: INGOMAR RD-SR 4070

TRUCK RT.19 OVER SR 4070, Allegheny, PA

Built 1952 Load: 73.5 t ADT: 20,372

Showing 12,001-12,050 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.