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 3008

Poor

Over: BLOCKHOUSE RUN

GILMORE TOWNSHIP, Greene, PA

Built 1960 Load: 22.7 t ADT: 96

T-456 BOULDER RD.

Poor

Over: BROWNS CREEK

WEST OF SYCAMORE, Greene, PA

Built 1966 Load: 22.7 t ADT: 20

SR 0029 TR 29

Poor

Over: HARVEYS CREEK

JACKSON TWP 165 S SR1059, Luzerne, PA

Built 1927 Load: 22.7 t ADT: 2,737

SR 3010 ALBERDEEN

Poor

Over: WAPWALLOPEN CREEK

DORRANCE TWP 2M E SR 3007, Luzerne, PA

Built 1925 Load: 22.7 t ADT: 1,223

T-510

Poor

Over: MILL CREEK

VILLAGE OF BALLS MILLS, Lycoming, PA

Built 1950 Load: 22.7 t ADT: 100

WILLARD AVENUE

Poor

Over: BENNETT BROOK

500 FT WEST OF SR 4009, McKean, PA

Built 1978 Load: 22.7 t ADT: 425

SR 318 MAIN ST

Poor

Over: OVER I-376 NB/SB BEAVER

SHENANGO TOWNSHIP, Mercer, PA

Built 1966 Load: 22.7 t ADT: 3,027

SR 4021 CREEK RD

Poor

Over: OVER MORRISON RUN

PERRY TOWNSHIP, Mercer, PA

Built 1958 Load: 22.7 t ADT: 320

BRIDGE 3011 T-722

Poor

Over: OVER MILL RUN

N.SPRING RD.SPRINGFIELD, Mercer, PA

Built 1922 Load: 22.7 t ADT: 98

SR 3011(LR 45042)

Poor

Over: SUGAR HOLLOW CREEK

SUGAR HOLLOW ROAD, Monroe, PA

Built 1934 Load: 22.7 t ADT: 1,296

POTTSTOWN EXPWAY

Poor

Over: SANATOGA RD SANATOGA CR

SANATOGA 3139G02, Montgomery, PA

Built 1965 Load: 22.7 t ADT: 55,039

BUTLER PIKE

Poor

Over: PROPHECY CREEK

1.8 Mi SW PA-309 3257-D6, Montgomery, PA

Built 1926 Load: 22.7 t ADT: 11,333

SR 0209 TR 209

Poor

Over: SAWKILL CREEK

MILFORD BORO JCT SR 2013, Pike, PA

Built 1942 Load: 22.7 t ADT: 7,699

T314 LOG & TWIG RD

Poor

Over: HORNBECKS CREEK

1/2 MI E OF SR 2001, Pike, PA

Built 1956 Load: 22.7 t ADT: 290

T-492 CHURCH RD

Poor

Over: WEST FALLS CREEK

1000 FT SW OF SR 4006, Pike, PA

Built 1956 Load: 22.7 t ADT: 50

T301(CO.BR.16)

Poor

Over: LITTLE BUSHKILL CREEK

BUSHKILL -PETERS MILL, Pike, PA

Built 1931 Load: 22.7 t ADT: 300

T351 OLD GREENTOWN

Poor

Over: KLEINHANS CREEK

1.5 MI WEST OF SR 390, Pike, PA

Built 1958 Load: 22.7 t ADT: 50

T-436 HARDSCRABBLE

Poor

Over: GENESEE FORK PINE CREEK

0.1 MI FROM SR 1003, Potter, PA

Built 1974 Load: 22.7 t ADT: 30

PA 125 (LR 339)

Poor

Over: PINE CREEK

0.5 MI.S.OF HEGINS, Schuylkill, PA

Built 1937 Load: 22.7 t ADT: 985

PA 125

Poor

Over: DEEP CREEK

0.5 MI.N.OF HEGINS, Schuylkill, PA

Built 1955 Load: 22.7 t ADT: 2,295

BROWNS RD

Poor

Over: UPPER LITL SWATARA CRK

0.5 MI NO. OF 895, Schuylkill, PA

Built 1974 Load: 22.7 t ADT: 50

SR 2017

Poor

Over: TRIB HILLEGAS RUN

2 MI S DIVIDING RIDGE, Somerset, PA

Built 1938 Load: 22.7 t ADT: 51

T-338 FALL RUN RD

Poor

Over: FALL CREEK

1.8 MI.W.OF BARRONVALE, Somerset, PA

Built 1936 Load: 22.7 t ADT: 50

SR 3024 SAVANAH RD

Poor

Over: OVER LITTLE SANDY CREEK

POLK BOROUGH, Venango, PA

Built 1955 Load: 22.7 t ADT: 1,009

FIFTH STREET

Poor

Over: BRUSH CREEK

FIFTH STREET BRIDGE, Westmoreland, PA

Built 1985 Load: 22.7 t ADT: 2,000

DELAWARE EXPWAY.

Poor

Over: WHEATSHEAF LANE

NEAR RICHMOND ST. 3591G02, Philadelphia, PA

Built 1965 Load: 22.7 t ADT: 158,822

Cambria & "A" Sts

Poor

Over: CONRAIL

Cambria & "A" Sts - 29A05, Philadelphia, PA

Built 1916 Load: 22.7 t ADT: 3,200

EBERTS LANE

Poor

Over: MILL CREEK

SPRINGETTSBURY TWP, York, PA

Built 1958 Load: 22.7 t ADT: 4,068

Laurel Drive

Poor

Over: Nuangola Outlet

Laurel Lakes, Luzerne, PA

Built 1986 Load: 22.7 t ADT: 25

South Drive

Poor

Over: Newtown Creek

Newtown 3037-H10, Bucks, PA

Built 1985 Load: 22.7 t ADT: 600

Bridge Street

Poor

Over: DELAWARE RIVER

0.13 mi from junction of, Potter, PA

Built 1961 Load: 23.3 t ADT: 1,322

THOMPSON RD

Poor

Over: BULL CREEK

BF08 BULL CREEK NO. 8, Allegheny, PA

Built 1894 Load: 23.6 t ADT: 155

SR2005

Poor

Over: CHERRY RUN

EAST OF BRICK CHURCH, Armstrong, PA

Built 1950 Load: 23.6 t ADT: 239

BEAVER VALLEY EX

Poor

Over: SR 3016-GREEN GARDEN RD

INTER. OF GREENGARDENRD, Beaver, PA

Built 1969 Load: 23.6 t ADT: 14,186

SR 1036

Poor

Over: SIX MILE RUN

1 MI.E.OF NORTH POINT, Bedford, PA

Built 1942 Load: 23.6 t ADT: 275

PINE STREET

Poor

Over: KAERCHERS CREEK

EAST END OF BOROUGH, Berks, PA

Built 1940 Load: 23.6 t ADT: 858

T433 Church Road

Poor

Over: SPENCER RUN

2 MI.N.OF DUNCANSVILLE, Blair, PA

Built 1960 Load: 23.6 t ADT: 253

T-621 (TWP. BR)

Poor

Over: MILL CREEK

0.25 MI. EAST OF WETONA, Bradford, PA

Built 1977 Load: 23.6 t ADT: 50

SR3042 (T-357)

Poor

Over: SR0079 NB

SAWYER RD NB, Butler, PA

Built 1963 Load: 23.6 t ADT: 148

T-584 GEIBEL RD

Poor

Over: BONNIE BROOK

0.08 MI S OF SR 422, Butler, PA

Built 1907 Load: 23.6 t ADT: 300

PA 160

Poor

Over: BR LITTLE CONEMAUGH RIV.

102 FEET NORTH OF TR 869W, Cambria, PA

Built 1962 Load: 23.6 t ADT: 4,232

ANNIE AVE

Poor

Over: SOLOMON RUN

DALE BORO ANNIE AVE, Cambria, PA

Built 1945 Load: 23.6 t ADT: 308

NEWARK ROAD

Poor

Over: EAST BRANCH BIG ELK CRK

NR.LINCOLN UNIV. 44H10, Chester, PA

Built 1922 Load: 23.6 t ADT: 4,199

REISLER ROAD

Poor

Over: JORDAN RUN

ELK TOWNSHIP 4020-B2, Chester, PA

Built 1929 Load: 23.6 t ADT: 150

SR 3014

Poor

Over: NORTH CAMP RUN

WAUKESHA, Clearfield, PA

Built 1938 Load: 23.6 t ADT: 168

LONG AVENUE

Poor

Over: PENTZ RUN

175 EAST OF N FRANKLIN ST, Clearfield, PA

Built 1993 Load: 23.6 t ADT: 3,000

SR 18

Poor

Over: OVER INLET CREEK BRANCH

SUMMIT TOWNSHIP, Crawford, PA

Built 1924 Load: 23.6 t ADT: 2,069

MEETING HOUSE ROAD

Poor

Over: BRANCH NAAMANS CREEK

.5MI.EAST TR-491 42D09, Delaware, PA

Built 1916 Load: 23.6 t ADT: 8,178

HILLDALE ROAD

Poor

Over: DARBY CREEK

HILLDALE ADC 22-A4, Delaware, PA

Built 1928 Load: 23.6 t ADT: 1,554

T-378 SEGHIS RD

Poor

Over: MOUNTAIN CREEK TRIB

350 FT SE OF SR 3007, Fayette, PA

Built 1985 Load: 23.6 t ADT: 225

Showing 21,551-21,600 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.