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 0006 TR 6

Fair

Over: SHOHOLA CREEK

SHOHOLA TWP 2.4M E TR 434, Pike, PA

Built 1964 Load: 31.8 t ADT: 3,598

SR 2001

Fair

Over: SLOAT BROOK

DINGMAN TWP .7M E SR 2011, Pike, PA

Built 1930 Load: 31.8 t ADT: 9,635

SR 44-PA 44

Fair

Over: OSWAYO CREEK

MILLPORT, Potter, PA

Built 1974 Load: 31.8 t ADT: 1,428

PA 895 (LR 53022)

Fair

Over: BRANCH OF LIZARD CREEK

2.6 MI. E. OF SNYDERS, Schuylkill, PA

Built 1966 Load: 31.8 t ADT: 2,059

SR 4014 (LR 53096)

Fair

Over: LITTLE MAHANTANGO CREEK

AT T-236 CREEK ROAD, Schuylkill, PA

Built 1949 Load: 31.8 t ADT: 61

T-725 PHEASANT RUN

Fair

Over: PINE CREEK

JUST NE OF RTE. 61, Schuylkill, PA

Built 1984 Load: 31.8 t ADT: 175

SR 11 & 15 NBL

Fair

Over: OVER RAMP A & RAMP B

1 MI S OF SELINSGROVE, Snyder, PA

Built 1976 Load: 31.8 t ADT: 10,756

SR 104

Fair

Over: TRIB NO BR MAHANTANGO CR

MT PLEASANT MILLS, Snyder, PA

Built 1930 Load: 31.8 t ADT: 4,796

SR 522

Fair

Over: TRIB TO BEAVER CREEK

1 MI W OF BEAVERTOWN, Snyder, PA

Built 1929 Load: 31.8 t ADT: 6,025

SILVER CR HOLLOW

Fair

Over: SILVER CREEK

2 MI S OF DUNDORE, Snyder, PA

Built 1955 Load: 31.8 t ADT: 163

US 219 NBL

Fair

Over: SR 4039

OVER SR4039 E DAVIDSVILLE, Somerset, PA

Built 1969 Load: 31.8 t ADT: 7,439

US 219 SBL

Fair

Over: SR 4039

OVER SR 4039, Somerset, PA

Built 1969 Load: 31.8 t ADT: 7,564

SR 4019

Fair

Over: QUEMAHONING CREEK

1.8 MI.E.OF JEROME, Somerset, PA

Built 1926 Load: 31.8 t ADT: 633

SR 87

Fair

Over: OVER KETCHUM RUN

3 MI E OF FORKSVILLE, Sullivan, PA

Built 1942 Load: 31.8 t ADT: 602

SR 0081 I-81 SB

Fair

Over: SR 2016

LENOX TWP OVER SR 2016, Susquehanna, PA

Built 1961 Load: 31.8 t ADT: 8,939

SR 0081 I-81 NB

Fair

Over: SR 0492 TR 492

N MILFORD TWP OVER TR 492, Susquehanna, PA

Built 1961 Load: 31.8 t ADT: 11,236

SR 0547 TR 547

Fair

Over: LITTLE BUTLER CREEK

JACKSON TWP 1.4 M S TR492, Susquehanna, PA

Built 1954 Load: 31.8 t ADT: 214

SR 1037

Fair

Over: TRIB OF DUBOIS CREEK

LIBERTY TP 1.5M N SR 1018, Susquehanna, PA

Built 1950 Load: 31.8 t ADT: 41

SR 2032

Fair

Over: NORFOLK SOUTHERN RR

BROOKLYN TWP .6 M W TR 11, Susquehanna, PA

Built 1913 Load: 31.8 t ADT: 64

SR 3033

Fair

Over: TERRY CREEK

RUSH TWP .8 M N TR 706, Susquehanna, PA

Built 1974 Load: 31.8 t ADT: 61

US TR 15

Fair

Over: OVER MITCHELL CREEK

2.5 MI N OF TIOGA BORO, Tioga, PA

Built 1948 Load: 31.8 t ADT: 3,182

SR 1022

Fair

Over: OVER ALLEN CREEK

1 MI NW OF MILLERTON, Tioga, PA

Built 1957 Load: 31.8 t ADT: 131

SR 2022

Fair

Over: OVER CANOE CAMP CREEK

2.5 MI E OF COVINGTON, Tioga, PA

Built 1962 Load: 31.8 t ADT: 694

SR 3014

Fair

Over: TRIB ZIMMERMAN CREEK

1 MI NE OF NAUVOO, Tioga, PA

Built 1957 Load: 31.8 t ADT: 294

T-787 LAWRENCE TWP

Fair

Over: MUTTON LANE CREEK

1.2 MI. E. TIOGA JUNCTION, Tioga, PA

Built 1974 Load: 31.8 t ADT: 150

T-339

Fair

Over: CUSTARD RUN

.2 MI.N.E.OF MORRIS, Tioga, PA

Built 1950 Load: 31.8 t ADT: 105

T-496

Fair

Over: HARRISON RUN

VILLAGE OF HOYTVILLE, Tioga, PA

Built 1930 Load: 31.8 t ADT: 100

T-462

Fair

Over: STONY FORK CREEK

0.9 MI NW OF CHARLESTON, Tioga, PA

Built 1983 Load: 31.8 t ADT: 115

SR 15

Fair

Over: OVER SR 1004

WEST MILTON, Union, PA

Built 1964 Load: 31.8 t ADT: 14,362

SR 0045

Fair

Over: OVER BULL RUN

1 MI W OF LEWISBURG, Union, PA

Built 1937 Load: 31.8 t ADT: 11,961

SR 1003

Fair

Over: OVER LITTLE BUFFALO CRK.

1.5 MI N KELLY CROSSROADS, Union, PA

Built 1936 Load: 31.8 t ADT: 431

SPRUCE RUN ROAD

Fair

Over: SPRUCE RUN

0.5 MI SW RUNNING GAP RD, Union, PA

Built 1935 Load: 31.8 t ADT: 15

SR 6 GRAND ARMY HY

Fair

Over: OVER IRVINE RUN

BROKENSTRAW TOWNSHIP, Warren, PA

Built 1968 Load: 31.8 t ADT: 7,898

SR 6 WARREN BYPASS

Fair

Over: OVER SR62 LUDOW ST E/W

WARREN CITY, Warren, PA

Built 1976 Load: 31.8 t ADT: 8,194

SR 1004 VALENTINE

Fair

Over: OVER RHINE RUN

FARMINGTON TOWNSHIP, Warren, PA

Built 1965 Load: 31.8 t ADT: 254

SR 3007 DAVEY HILL

Fair

Over: OVER MILL RACE RUN

PITTSFIELD TOWNSHIP, Warren, PA

Built 1941 Load: 31.8 t ADT: 727

SR 0070

Fair

Over: ABANDONED RAILROAD

DONEGAL TOWNSHIP, Washington, PA

Built 1961 Load: 31.8 t ADT: 12,124

SR 0980

Fair

Over: BRANCH OF MILLERS RUN

CECIL TOWNSHIP, Washington, PA

Built 1953 Load: 31.8 t ADT: 2,730

SR 3006

Fair

Over: BUFFALO CREEK

BUFFALO TOWNSHIP, Washington, PA

Built 1946 Load: 31.8 t ADT: 98

CECIL ROAD

Fair

Over: CHARTIERS CREEK TRIB

300 SOUTH OF SR 980, Washington, PA

Built 1957 Load: 31.8 t ADT: 300

SR 0196 TR 196

Fair

Over: BUTTERNUT CREEK

STERLING TWP 1M S SR 3002, Wayne, PA

Built 1954 Load: 31.8 t ADT: 1,175

SR 0652 TR 652

Fair

Over: INDIAN ORCHARD BROOK

TEXAS TWP .3 M N TR 6, Wayne, PA

Built 1964 Load: 31.8 t ADT: 6,910

SR 1007

Fair

Over: BR OF S BR CALKINS CREEK

DAMASCUS TWP .9 E SR 1019, Wayne, PA

Built 1950 Load: 31.8 t ADT: 537

SR4024 EQNNK CK RD

Fair

Over: BR OF EQUINUNK CREEK

BUCKNGHM TWP .5M W SR4007, Wayne, PA

Built 1934 Load: 31.8 t ADT: 140

SR 1019

Fair

Over: BRANCH OF HANNAS RUN

LIGONIER TOWNSHIP, Westmoreland, PA

Built 1960 Load: 31.8 t ADT: 160

SR 1028

Fair

Over: LITTLE CRABTREE CREEK

UNITY TOWNSHIP, Westmoreland, PA

Built 1950 Load: 31.8 t ADT: 846

SR 3021

Fair

Over: WEBSTER HOLLOW RUN

ROSTRAVER TOWNSHIP, Westmoreland, PA

Built 1934 Load: 31.8 t ADT: 3,516

T746 Weber Street

Fair

Over: TRIBUTARY OF BRUSH CREEK

55 NORTH OF SR 130, Westmoreland, PA

Built 1957 Load: 31.8 t ADT: 1,110

T872

Fair

Over: Jacobs Creek

BTW T413 & SR2025, Westmoreland, PA

Built 1920 Load: 31.8 t ADT: 100

US 30; SR 0030 EB

Fair

Over: SR 1037 accomac rd.

0.5 MI NE OF HALLAM, York, PA

Built 1971 Load: 31.8 t ADT: 23,734

Showing 3,801-3,850 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.