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 3004 NEBRASKA

Poor

Over: OVER TIONESTA DAM CREEK

GREEN TOWNSHIP, Forest, PA

Built 1933 Load: 27.2 t ADT: 284

T-328 QUEEN RD

Poor

Over: OVER EAST HICKORY CREEK

HICKORY TOWNSHIP, Forest, PA

Built 1910 Load: 27.2 t ADT: 100

SR 1011

Poor

Over: SOUTH FORK TENMILE CREEK

JEFFERSON & MORGAN TWP., Greene, PA

Built 1941 Load: 27.2 t ADT: 1,602

TOWNSHIP ROAD 438

Poor

Over: PATTERSON CREEK

NORTH OF HUNTERS COVE, Greene, PA

Built 1914 Load: 27.2 t ADT: 30

SR 4019

Poor

Over: ARCH SPRING RUN

.1 MI.N.OF UNION FURNACE, Huntingdon, PA

Built 1922 Load: 27.2 t ADT: 52

SR0119

Poor

Over: PINE RUN

GAIBLETON NO.2, Indiana, PA

Built 1924 Load: 27.2 t ADT: 6,797

SR3035

Poor

Over: STONEY RUN

STONEY RUN NO.2, Indiana, PA

Built 1961 Load: 27.2 t ADT: 2,153

SR3039

Poor

Over: ANTHONY RUN

ANTHONY RUN NO.2, Indiana, PA

Built 1939 Load: 27.2 t ADT: 245

T-556 FOUNDRY RD

Poor

Over: TRIB. TO COCOLAMUS CREEK

.75 MI NW OF SR 35, Juniata, PA

Built 1950 Load: 27.2 t ADT: 610

SR 0011 TR 11

Poor

Over: LEGGETTS CREEK

S ABNGTN TP .6M S SR 1027, Lackawanna, PA

Built 1936 Load: 27.2 t ADT: 19,134

SR 2002 WIMMERS RD

Poor

Over: BR W BR WALLENPAUPACK CR

JEFFERSON TP 300 S TR348, Lackawanna, PA

Built 1934 Load: 27.2 t ADT: 1,102

T-304 PLANK ROAD

Poor

Over: LEHIGH RIVER

3/4 MI SW OF COOLBAUGH RD, Lackawanna, PA

Built 1956 Load: 27.2 t ADT: 40

MIDLAND STREET

Poor

Over: ELK CREEK

300 FT WEST OF SR 171, Lackawanna, PA

Built 1930 Load: 27.2 t ADT: 100

772 High Street

Poor

Over: RIFE RUN

W.EDGE MANHEIM BORO, Lancaster, PA

Built 1948 Load: 27.2 t ADT: 10,496

Churchtown Road

Poor

Over: Little Conestoga Creek

2 mi. N.W. Churchtown, Lancaster, PA

Built 1940 Load: 27.2 t ADT: 643

Strasburg Pike

Poor

Over: Pequea Creek

Wheatland Mills, Lancaster, PA

Built 1926 Load: 27.2 t ADT: 8,939

ROHRERSTOWN ROAD

Poor

Over: LITTLE CONESTOGA CREEK

300 FT SW OF SR 8003, Lancaster, PA

Built 1930 Load: 27.2 t ADT: 520

NORTH LINCOLN AVE

Poor

Over: QUITTAPAHILLA CREEK

N.LINCOLN AVE/QUITAPHILA, Lebanon, PA

Built 1929 Load: 27.2 t ADT: 2,500

SR 4019 (LR 39063)

Poor

Over: SWEITZER CREEK

WERLEYS CORNER ROAD, Lehigh, PA

Built 1937 Load: 27.2 t ADT: 579

SR 0029 TR 29

Poor

Over: SLUICEWAY WATER COMPANY

PLYMOUTH TWP .2M S SR4001, Luzerne, PA

Built 1932 Load: 27.2 t ADT: 1,669

SR 0081 I-81 SB

Poor

Over: SR 2003 HAZELTON STREET

ASHLEY BORO OVER SR 2003, Luzerne, PA

Built 1967 Load: 27.2 t ADT: 26,444

SR 1048 MEEKER RD

Poor

Over: BRANCH HARVEY CREEK

LEHMAN TWP .5 M W TR 118, Luzerne, PA

Built 1956 Load: 27.2 t ADT: 339

SUTTON CREEK ROAD

Poor

Over: SUTTON CREEK

2 MI WEST OF SR 92, Luzerne, PA

Built 1925 Load: 27.2 t ADT: 695

SR 4011

Poor

Over: BENNETT BROOK

BRADFORD, McKean, PA

Built 1940 Load: 27.2 t ADT: 160

PA 423

Poor

Over: I-380

PA. 423 EXIT, Monroe, PA

Built 1969 Load: 27.2 t ADT: 4,970

PA 423 (LR 561)

Poor

Over: TOBYHANNA CREEK

1.7 MI.N.OF PA 611, Monroe, PA

Built 1932 Load: 27.2 t ADT: 2,551

SCHOOLHOUSE ROAD

Poor

Over: SKIPPACK CREEK

HARLEYSVILLE 15J4/3031E6, Montgomery, PA

Built 1932 Load: 27.2 t ADT: 5,543

T-396 CTY BR #12

Poor

Over: EAST BR CHILLISQUAQUE CR

3.8 M. NE.WASHINGTONVILLE, Montour, PA

Built 1919 Load: 27.2 t ADT: 38

SR 3013

Poor

Over: BIXLERS RUN

2 MI N OF FORT ROBINSON, Perry, PA

Built 1933 Load: 27.2 t ADT: 128

PA 125 (L.R.53053)

Poor

Over: BRANCH MAHANTANGO CREEK

VISTA ROAD, Schuylkill, PA

Built 1937 Load: 27.2 t ADT: 990

PA 443

Poor

Over: MILL CREEK

VILLAGE OF SUEDBERG, Schuylkill, PA

Built 1925 Load: 27.2 t ADT: 1,167

PA443(LR 140)

Poor

Over: SO. BR. SWATARA CREEK

1 MI.EAST OF PINE GROVE, Schuylkill, PA

Built 1920 Load: 27.2 t ADT: 3,582

FORK MTN. RD.

Poor

Over: PINE CREEK

AT FORT LEBANON RD, Schuylkill, PA

Built 1989 Load: 27.2 t ADT: 150

ACRE STREET

Poor

Over: MILL CREEK

EAST OF RT 209, Schuylkill, PA

Built 1917 Load: 27.2 t ADT: 500

SR 0374 TR 374

Poor

Over: W BR LACKAWANNA RIVER

HERRICK TWP .4M E SR 2023, Susquehanna, PA

Built 1958 Load: 27.2 t ADT: 421

T309 (Singer Rd)

Poor

Over: RILEY CREEK

3 MI SE OF AUBURN CENTER, Susquehanna, PA

Built 1990 Load: 27.2 t ADT: 50

SR 3012

Poor

Over: OVER SWEITZERS RUN

1 MI W OF NEW BERLIN, Union, PA

Built 1948 Load: 27.2 t ADT: 1,269

SR 208 MERCER ST.

Poor

Over: SF LITTLE SCRUBGRASS CK.

CLINTONVILLE BOROUGH, Venango, PA

Built 1933 Load: 27.2 t ADT: 1,435

SR 2023 PRESIDENT

Poor

Over: PORCUPINE CREEK

PRESIDENT TOWNSHIP, Venango, PA

Built 1958 Load: 27.2 t ADT: 67

SR 27

Poor

Over: OVER PINE CREEK

SOUTHWEST TOWNSHIP, Warren, PA

Built 1940 Load: 27.2 t ADT: 1,464

SR 4004 CENTER ST.

Poor

Over: OVER PINE VALLEY BROOK

COLUMBUS TOWNSHIP, Warren, PA

Built 1987 Load: 27.2 t ADT: 214

SR 3002 SPRG HL RD

Poor

Over: STEVENS CREEK

STERLING TWP 1M E LACK CY, Wayne, PA

Built 1929 Load: 27.2 t ADT: 613

T-562 Pheasant Ru

Poor

Over: Boyer Run

BTW SR2010 & T773, Westmoreland, PA

Built 1936 Load: 27.2 t ADT: 400

SR 1009

Poor

Over: OXBOW CREEK

LEMON TWP 1.2 M N TR 92, Wyoming, PA

Built 1948 Load: 27.2 t ADT: 397

SR 2048

Poor

Over: BRANCH OF MUDDY CREEK

LAUREL, York, PA

Built 1953 Load: 27.2 t ADT: 341

JACOBS MILL ROAD

Poor

Over: PARADISE RUN

/8 SE E.BERLIN/PARADISE R, York, PA

Built 1954 Load: 27.2 t ADT: 194

ATLANTIC AVENUE

Poor

Over: WILLIS RUN

E.LR66043;WILLIS RUN YORK, York, PA

Built 1976 Load: 27.2 t ADT: 2,500

WILLITS ROAD

Poor

Over: WOODEN BRIDGE RUN

NEAR ASHTON ROAD 3482G01, Philadelphia, PA

Built 1953 Load: 27.2 t ADT: 12,322

70th Street

Poor

Over: SEPTA (AHSL)

S of Lindbergh Blv 36F07, Philadelphia, PA

Built 1980 Load: 27.2 t ADT: 9,700

MLK Jr. Drive

Poor

Over: Schuylkill River

Schuylkill River- 3590A06, Philadelphia, PA

Built 1966 Load: 27.2 t ADT: 25,095

Showing 21,851-21,900 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.