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

Twp Rd 500 CreekRd

Fair

Over: SR 0022

SMITH TOWNSHIP, Washington, PA

Built 1970 Load: 22.7 t ADT: 309

SR 3026

Fair

Over: ENLOW FORK WHEELING CK.

WEST FINLEY TOWNSHIP, Washington, PA

Built 1963 Load: 22.7 t ADT: 448

BAILEY BRIDGE T686

Fair

Over: TENMILE CREEK

600 SOUTH OF SR 2020, Washington, PA

Built 1887 Load: 22.7 t ADT: 10

SR 0084 I-84 EB

Fair

Over: BUTTERNUT CREEK

STERLING TWP .7 E TR 191, Wayne, PA

Built 1969 Load: 22.7 t ADT: 7,403

CEMETERY ROAD

Fair

Over: SHADIGEE CREEK

1200 FT SE OF STARRUCCA, Wayne, PA

Built 1978 Load: 22.7 t ADT: 40

IRWIN HERMINIE RD.

Fair

Over: LITTLE SEWICKLEY CREEK

250 N OF RAILROAD STREET, Westmoreland, PA

Built 1991 Load: 22.7 t ADT: 7,200

SR 2033 CHURCH ST

Fair

Over: S BR TUNKHANNOCK CREEK

FACTRYVL BO 100 S SR1017, Wyoming, PA

Built 1973 Load: 22.7 t ADT: 783

T-853; SHOE HSE RD

Fair

Over: US 30; SR 0030

0.5 MI.N. OF S.R. 462, York, PA

Built 1970 Load: 22.7 t ADT: 731

SR 3092

Fair

Over: TRIB OF BUNCH CREEK

1 MILE W OF SPRING GROVE, York, PA

Built 1964 Load: 22.7 t ADT: 321

INTERSTATE 95

Fair

Over: OREGON AVE & SHUNK ST

SOUTH PHLY 3700 G04, Philadelphia, PA

Built 1974 Load: 22.7 t ADT: 93,916

CASTOR AVENUE

Fair

Over: FRANKFORD CREEK

S.WYOMING AVENUE 3481E08, Philadelphia, PA

Built 1949 Load: 22.7 t ADT: 17,094

Glenwood Avenue

Fair

Over: CONRAIL

at 7th Street 28J03, Philadelphia, PA

Built 1915 Load: 22.7 t ADT: 3,600

ROCKWOOD DR

Fair

Over: SYCAMORE RUN

432005 ROCKWOOD ESTATE BR, Allegheny, PA

Built 1961 Load: 22.7 t ADT: 150

T-531 BIGLEY AVE

Fair

Over: BOLIVAR RUN

300 SOUTH OF BOLIVAR DR, McKean, PA

Built 1979 Load: 22.7 t ADT: 300

SR0288

Fair

Over: CONNOQUENESSING CREEK

ZELIENOPLE BORO., Butler, PA

Built 1998 Load: 22.7 t ADT: 8,794

T-506 WALLWORK RD

Fair

Over: PINE CREEK

0.1 mi N int w/ SR 0028, Clarion, PA

Built 1997 Load: 22.7 t ADT: 50

OGDEN ST

Fair

Over: MAHANOY CREEK

OGDEN ST IN GIRARDVILLE, Schuylkill, PA

Built 1999 Load: 22.7 t ADT: 200

PARK ROAD

Fair

Over: ELK CREEK

EAST OF PA 445, Centre, PA

Built 1913 Load: 22.7 t ADT: 25

KERRWOOD DRIVE

Fair

Over: CROW CREEK

0.3mi N Croton Rd, Montgomery, PA

Built 1980 Load: 22.7 t ADT: 250

CONESTOGA ST

Fair

Over: TRIB

EAST OF MEADOW LN, Lancaster, PA

Built 1997 Load: 22.7 t ADT: 50

CHRISANN ROAD

Fair

Over: LAKE CHRISANN

CHRISANN ROAD OVER LAKE C, Susquehanna, PA

Built 1964 Load: 22.7 t ADT: 200

TR639 TEEPLE ROAD

Fair

Over: SALT RIVER BROOK

900 FT NW of BRAMAN ROAD, Wayne, PA

Built 2003 Load: 22.7 t ADT: 15

FR 339

Fair

Over: BEAR RUN

1.8 MILES E OF FR 136, Elk, PA

Built 1986 Load: 22.7 t ADT: 5

ADMIN ACCESS ROAD

Fair

Over: STEPHENHOUSE RUN

TIOGA-HAMMOND LAKES, Tioga, PA

Built 1979 Load: 22.7 t ADT: 200

FR 126

Fair

Over: E. BRANCH TIONESTA CRK.

1.8 MILES S OF FR 476, McKean, PA

Built 1940 Load: 23.3 t ADT: 10

US 15 NB; SR 0015

Fair

Over: BERMUDIAN CREEK

2 MI N OF HEIDLERSBURG, Adams, PA

Built 1967 Load: 23.6 t ADT: 8,630

SR 1016

Fair

Over: UPPER BERMUDIAN CREEK

BREAM MILL, Adams, PA

Built 1938 Load: 23.6 t ADT: 187

SR 2009

Fair

Over: PLUM CREEK

EDGE GROVE, Adams, PA

Built 1941 Load: 23.6 t ADT: 3,158

SR 2014

Fair

Over: PINEY CREEK

1 MI. E. OF KINGSDALE, Adams, PA

Built 1963 Load: 23.6 t ADT: 771

ORCHARD ROAD

Fair

Over: OPOSSUM CREEK

1.5 SE BENDRSVILL/OPOSSUM, Adams, PA

Built 1956 Load: 23.6 t ADT: 100

HIGHLAND PARK BRG

Fair

Over: NS RR ALLEGH R AVR RR

Highland Park Bridge, Allegheny, PA

Built 1940 Load: 23.6 t ADT: 45,620

BIG SEWICKLEY CK R

Fair

Over: BR.BIG SEWICKLEY CREEK

INT OF WARRENDALE-BAYNE R, Allegheny, PA

Built 1978 Load: 23.6 t ADT: 6,950

TOWNSHIP ROAD

Fair

Over: LITTLE PINE CREEK

OFF 4017 NEAR BYERLEY AVE, Allegheny, PA

Built 1960 Load: 23.6 t ADT: 258

PA TPK (I-76)

Fair

Over: SR 2086 PLUM CR ABANDRR

NEAR PENN HILLS, Allegheny, PA

Built 1952 Load: 23.6 t ADT: 38,689

SUTERSVILLE BR

Fair

Over: YOUGHIOGHENY RIVER

YR01 YOUGHIOGHENYRIV #1, Allegheny, PA

Built 1986 Load: 23.6 t ADT: 3,505

CLENDENNING RD

Fair

Over: DEER CREEK

DE12 DEER CREEK NO. 12, Allegheny, PA

Built 1893 Load: 23.6 t ADT: 88

MISSION ST

Fair

Over: GOMER AND GREELY STREETS

060 MISSION ST EAST, Allegheny, PA

Built 1939 Load: 23.6 t ADT: 650

TALBOT AVE-RAMP RD

Fair

Over: UNION RR W BRAD A TONER

MA07TL RANKIN BR-TALBOT A, Allegheny, PA

Built 1951 Load: 23.6 t ADT: 2,364

RAMP A

Fair

Over: RAMP B SR 8081

MILLVALE 28 INTERCHNGE, Allegheny, PA

Built 1963 Load: 23.6 t ADT: 1,881

SR2023

Fair

Over: PLUM CREEK

PLUM CREEK TWP-E ELDERTON, Armstrong, PA

Built 1959 Load: 23.6 t ADT: 1,357

T392 E SPANGLER RD

Fair

Over: NICHOLSON RUN

125 E of Ford City Road, Armstrong, PA

Built 1940 Load: 23.6 t ADT: 10

MIDLAND BEAVER RD

Fair

Over: NORFOLK SOUTHERN RAILWAY

100 WEST OF SEBRING RD., Beaver, PA

Built 1987 Load: 23.6 t ADT: 9,765

T357 Harrieta Lane

Fair

Over: COVE CREEK

1 MI.NW.OF RAINSBURG, Bedford, PA

Built 1983 Load: 23.6 t ADT: 31

SR 61 (LR 160)

Fair

Over: MILL CREEK

HAMBURG BOROUGH, Berks, PA

Built 1954 Load: 23.6 t ADT: 20,892

SR 422(LR 793) EB

Fair

Over: SR 3222(LR148)

US422 INTERCHANGE, Berks, PA

Built 1963 Load: 23.6 t ADT: 41,124

US 222 NB(LR 157)

Fair

Over: T-606(SHARADIN RD.)

1 MI SW OF KUTZTOWN, Berks, PA

Built 1972 Load: 23.6 t ADT: 11,547

US 222 SB(LR 157)

Fair

Over: T-606(SHARADIN RD.)

1 MI SW OF KUTZTOWN, Berks, PA

Built 1972 Load: 23.6 t ADT: 11,598

PA 419 (LR 382)

Fair

Over: TRIB.MILL CREEK

AT STONE ROAD, Berks, PA

Built 1926 Load: 23.6 t ADT: 4,112

US 422 (LR 149)

Fair

Over: TULPEHOCKEN CREEK

WOMELSDORF BOROUGH LINE, Berks, PA

Built 1949 Load: 23.6 t ADT: 7,966

SR 0737(LR 06034)

Fair

Over: TRIB MILL CREEK

@ WILTROUT RD.T-502, Berks, PA

Built 1925 Load: 23.6 t ADT: 5,642

Showing 1,101-1,150 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.