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

KEYS BRIDGE TR 719

Poor

Over: RACCOON CREEK

300 WEST OF SR 4075, Washington, PA

Built 1903 Load: 3.6 t ADT: 80

ARABELLA ST

Poor

Over: ROBBS RUN

AT SR 4012 INTERSECT, Washington, PA

Built 1936 Load: 3.6 t ADT: 600

Rocky Mountain Rd

Poor

Over: Little Sewickley Creek

500 ft S of SR 0136, Westmoreland, PA

Built 1920 Load: 3.6 t ADT: 550

LOGAN FERRY ROAD

Poor

Over: HAYMAKER RUN

LOGAN FERRY RD @ SR4033, Westmoreland, PA

Built 1979 Load: 3.6 t ADT: 6,376

SR 1015

Poor

Over: FIELDBROOK CREEK

NICHOLSON TWP 1.3M N TR92, Wyoming, PA

Built 1941 Load: 3.6 t ADT: 492

WEST COLLEGE AVE

Poor

Over: CODORUS CREEK

W COLL; CODORUS CR ; YORK, York, PA

Built 1961 Load: 3.6 t ADT: 4,953

Whiteman Rd T-306

Poor

Over: Beham Run

Beham Run, Washington, PA

Built 1901 Load: 3.6 t ADT: 100

NOBLE STREET

Poor

Over: N. 13TH STREET

EAST OF BROAD STREET, Philadelphia, PA

Built 1892 Load: 3.6 t ADT: 150

SR 1017

Poor

Over: CONEWAGO CREEK

2.75 MI.N. OF HUNTERSTOWN, Adams, PA

Built 1963 Load: 4.5 t ADT: 306

HANS RD

Poor

Over: ROBINSON RUN N BRANCH

214001 HANS RD (N FAY), Allegheny, PA

Built 1945 Load: 4.5 t

T-487 BRIDGE ROAD

Poor

Over: COWANSHANNOCK CREEK

500 FEET S OF OF SR-839, Armstrong, PA

Built 1930 Load: 4.5 t ADT: 21

T-501 BOLTZ ROAD

Poor

Over: BUFFALO & PITT RR

1/2 miles west of SR-0268, Armstrong, PA

Built 1900 Load: 4.5 t ADT: 250

T-598 MILLER ROAD

Poor

Over: GEORGES CREEK

1.7 MI.NE.PLEASANTVILLE, Bedford, PA

Built 1950 Load: 4.5 t ADT: 154

SWAMP CREEK ROAD

Poor

Over: WEST BRANCH SWAMP CREEK

DEYSHERS BRIDGE, Berks, PA

Built 1974 Load: 4.5 t ADT: 1,843

CANAL ROAD

Poor

Over: TULPEHOCKEN CREEK

1 MI N.OF WOMELSDORF, Berks, PA

Built 1900 Load: 4.5 t ADT: 33

CLAY RIDGE ROAD

Poor

Over: BEAVER CREEK

1.3MI NE OF SR611 2698-G3, Bucks, PA

Built 1909 Load: 4.5 t ADT: 200

N. PENNOCK BR. RD

Poor

Over: WEST BR.WHITE CLAY CREEK

NEW LONDON AIRPORT 53C1, Chester, PA

Built 1931 Load: 4.5 t ADT: 599

HADFIELD ROAD

Poor

Over: BEAVER CREEK

E.BRANDYWINE TWP. 3470-F7, Chester, PA

Built 1913 Load: 4.5 t ADT: 261

T-327 SHETTLER RD

Poor

Over: CANOE CREEK

0.5 mi SW int w/ SR 208, Clarion, PA

Built 1902 Load: 4.5 t ADT: 50

T-605 WEST ROAD

Poor

Over: OVER LINESVILLE CREEK

.7 MI.W.SR-4003 ON T-605, Crawford, PA

Built 1934 Load: 4.5 t ADT: 250

T-496 LAKE ROAD

Poor

Over: OVER CUSSEWAGO CREEK

1 MI.N.POTTERS CORS.T-496, Crawford, PA

Built 1984 Load: 4.5 t ADT: 250

HAYDENTOWN RD T332

Poor

Over: MOUNTAIN CREEK

200 FT NW OF SR 857, Fayette, PA

Built 1930 Load: 4.5 t ADT: 250

CHESS ROAD (T426)

Poor

Over: MOUNTAIN CREEK

500 FT W OF SR 0857, Fayette, PA

Built 1903 Load: 4.5 t ADT: 515

BURNT MILL ROAD

Poor

Over: CONODOGUINET CREEK

2.3 MI SE OF SR 641, Franklin, PA

Built 1885 Load: 4.5 t ADT: 250

PA TPK (I-76)

Poor

Over: LITTLE AUGWICK CREEK

NEAR BURNT CABINS, Fulton, PA

Built 1939 Load: 4.5 t ADT: 22,430

TOWNSHIP ROAD 716

Poor

Over: PA FORK OF DUNKARD CREEK

GILMORE TOWNSHIP, Greene, PA

Built 1919 Load: 4.5 t ADT: 20

TOWNSHIP ROAD 629

Poor

Over: BATES FORK

WEST OF SR 4029, Greene, PA

Built 1919 Load: 4.5 t ADT: 20

T-480 KELLER HILL

Poor

Over: DUTCH RUN

EAST OF CUMMINS, Greene, PA

Built 1925 Load: 4.5 t ADT: 10

SR1014

Poor

Over: ABAND CONRAIL RR

WANDIN NO.3, Indiana, PA

Built 1976 Load: 4.5 t ADT: 169

T-386 DOBSON RD

Poor

Over: BIG RUN

0.2 MILES EAST OF SR 3014, Jefferson, PA

Built 1901 Load: 4.5 t

ELM STREET

Poor

Over: LACKAWANNA RIVER

500 NW OF S WASHINGTON, Lackawanna, PA

Built 1958 Load: 4.5 t ADT: 11,900

T-760 GREENTREE RD

Poor

Over: NICKEL MINES RUN

200 WEST OF SR 896, Lancaster, PA

Built 1935 Load: 4.5 t ADT: 50

T470 BLACK BEAR RD

Poor

Over: CONOWINGO CREEK

500 EAST OF HENSEL RD, Lancaster, PA

Built 1950 Load: 4.5 t ADT: 155

T-363

Poor

Over: STREAM TRIB TO MILL CR.

SW NEWMANSTWN/TR MILL CR, Lebanon, PA

Built 1930 Load: 4.5 t ADT: 50

JORDAN ROAD

Poor

Over: JORDAN CREEK

EAST OF WEIDASVILLE, Lehigh, PA

Built 1959 Load: 4.5 t ADT: 190

SR 4001

Poor

Over: OVER LITTLE PINE CR.

VILLAGE OF ENGLISH CENTER, Lycoming, PA

Built 1891 Load: 4.5 t ADT: 134

MORRIS RUN ROAD

Poor

Over: SLATE RUN

1/2 MI SE OF FRANCIS ROAD, Lycoming, PA

Built 1933 Load: 4.5 t ADT: 5

VALLEY GREEN ROAD

Poor

Over: WISSAHICKON CREEK

1/4 Mi W Beth Pk 3369-E2, Montgomery, PA

Built 1884 Load: 4.5 t ADT: 5,864

BREVARD BRIDGE

Poor

Over: CHARTIERS CREEK TRIB.

1500 WEST OF SR 519, Washington, PA

Built 1913 Load: 4.5 t ADT: 300

BEAVER STREET

Poor

Over: NO BR OF MUDDY CREEK

S FELTON BORO/N BR MUDDY, York, PA

Built 1988 Load: 4.5 t ADT: 60

Mountain View Dr

Poor

Over: Reeders Run

0.3 MI SOUTH OF PA715, Monroe, PA

Built 1962 Load: 4.5 t ADT: 75

Wallace Hill Road

Poor

Over: Beham Run

West Finley Township, Washington, PA

Built 1901 Load: 4.5 t ADT: 100

WEST ROAD

Poor

Over: CSX RR

P02302 OLD FURNACE/WESTRD, Beaver, PA

Built 1939 Load: 5.4 t ADT: 10

DUTCH MILL RD

Poor

Over: SACONY CREEK

2 MI. NW OF KUTZTOWN, Berks, PA

Built 1900 Load: 5.4 t ADT: 230

EAGLE ROAD 2687E1

Poor

Over: MOSELEM CREEK

MOSELEM SPRINGS BRIDGE, Berks, PA

Built 1905 Load: 5.4 t ADT: 513

T-799 (BR. # 3)

Poor

Over: GAYLORD CREEK

2.8 M NE OF LE RAYSVILLE, Bradford, PA

Built 1974 Load: 5.4 t ADT: 50

RED WING RD T-640

Poor

Over: SANDY CREEK

1000 FT N OF SR 879, Clearfield, PA

Built 1960 Load: 5.4 t ADT: 15

T-748 OAK HILL RD

Poor

Over: MOSQUITO CREEK

25 FT SW OF SR 879, Clearfield, PA

Built 1930 Load: 5.4 t ADT: 100

T-316 CTY BR 31

Poor

Over: SOUTH BRANCH ROARING CR

2.5 MI EAST OF ELYSBURG, Columbia, PA

Built 1902 Load: 5.4 t ADT: 200

T-583 CTY BR #115

Poor

Over: MUD RUN

2.4 MI. SW OF ROHRSBURG, Columbia, PA

Built 1960 Load: 5.4 t ADT: 75

Showing 20,601-20,650 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.