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

MAIN PARK ROAD

Fair

Over: JONES MILL RUN

1 MI NORTH OF SR 3029, Somerset, PA

Built 2003 Load: 29.9 t ADT: 230

SR 4008

Fair

Over: E.BR. OF ELK CREEK

4 MI N OF ESTELLA, Sullivan, PA

Built 1950 Load: 29.9 t ADT: 156

SR 0167 TR 167

Fair

Over: HOP BOTTOM CREEK

HOP BOTTOM BO .7M W TR 11, Susquehanna, PA

Built 1962 Load: 29.9 t ADT: 1,082

SR 0015

Fair

Over: OVER SMITH CREEK

1 MI S OF LAWRENCEVILLE, Tioga, PA

Built 1942 Load: 29.9 t ADT: 3,225

SR 1004

Fair

Over: OVER PAINTER RUN

5 MI N OF ROSEVILLE, Tioga, PA

Built 1973 Load: 29.9 t ADT: 210

SR 1012

Fair

Over: OVER MILL CREEK

1 MI NE OF ROSEVILLE BORO, Tioga, PA

Built 1962 Load: 29.9 t ADT: 192

SR 1013

Fair

Over: OVER HAMMOND CREEK

3.5 MI W OF JOBS CORNERS, Tioga, PA

Built 1961 Load: 29.9 t ADT: 251

SR 2014

Fair

Over: OVER MORRIS RUN

VILLAGE OF MORRIS RUN, Tioga, PA

Built 1959 Load: 29.9 t ADT: 843

SR 2020

Fair

Over: ELK RUN

1.5 MI NE OF CHERRY FLATS, Tioga, PA

Built 1963 Load: 29.9 t ADT: 264

SR 3001

Fair

Over: PINE CREEK

VILLAGE OF WATROUS, Tioga, PA

Built 1937 Load: 29.9 t ADT: 428

SR 4022 BUXTON RD

Fair

Over: LITTLE SUGAR CREEK

PLUM TOWNSHIP, Venango, PA

Built 1950 Load: 29.9 t ADT: 184

SMALLS ROAD

Fair

Over: OVER LAKE CREEK

JACKSON TOWNSHIP, Venango, PA

Built 1930 Load: 29.9 t ADT: 50

T-539 VALASTIAK RD

Fair

Over: OVER LT.BROKENSTRAW CK.

FREEHOLD TOWNSHIP, Warren, PA

Built 1993 Load: 29.9 t ADT: 150

T-463 NELSON HILL

Fair

Over: OVER LT BROKENSTRAW CK.

PITTSFIELD TOWNSHIP, Warren, PA

Built 1920 Load: 29.9 t ADT: 100

SR 0070

Fair

Over: ABANDONED RAILROAD

DONEGAL TOWNSHIP, Washington, PA

Built 1961 Load: 29.9 t ADT: 14,338

SR 0088

Fair

Over: PETERS CREEK

FINLEYVILLE BOROUGH, Washington, PA

Built 1916 Load: 29.9 t ADT: 5,103

SR 0231

Fair

Over: BUCK RUN

DONEGAL TOWNSHIP, Washington, PA

Built 1955 Load: 29.9 t ADT: 319

SR 3020

Fair

Over: BANE CREEK

MORRIS TOWNSHIP, Washington, PA

Built 1939 Load: 29.9 t ADT: 155

SR 3025

Fair

Over: ROBINSON RUN

WEST FINLEY TOWNSHIP, Washington, PA

Built 1985 Load: 29.9 t ADT: 77

BURNS BRIDGE TR446

Fair

Over: RACCOON CREEK TRIB

500 NORTH OF TR 859, Washington, PA

Built 1903 Load: 29.9 t ADT: 15

SR 0371 TR 371

Fair

Over: BEAVER DAM CREEK

DAMASCUS TWP .1M W SR1031, Wayne, PA

Built 1951 Load: 29.9 t ADT: 1,378

SR 8018 (Ramp B)

Fair

Over: ZELLARS RUN

TR 136 TO TR 30 WESTBOUND, Westmoreland, PA

Built 1959 Load: 29.9 t ADT: 959

SR 0029 TR 29

Fair

Over: BOWMANS CREEK

EATON TWP 1.2 M S SR 3003, Wyoming, PA

Built 1936 Load: 29.9 t ADT: 7,644

SR 0292 TR 292

Fair

Over: MARSH CREEK

MONROE & EATON TWP LINE, Wyoming, PA

Built 1955 Load: 29.9 t ADT: 625

PA 74; SR 0074

Fair

Over: WOLF RUN

2.2 MI.W. OF WELLSVILLE, York, PA

Built 1927 Load: 29.9 t ADT: 1,304

SR 4012

Fair

Over: N BR BERMUDIAN CREEK

0.75 MI.S.W. OF KRALLTOWN, York, PA

Built 1928 Load: 29.9 t ADT: 900

SR 4026

Fair

Over: STONY RUN

1.5 MI. E. OF DILLSBURG, York, PA

Built 1974 Load: 29.9 t ADT: 6,626

CREEK ROAD

Fair

Over: DOGWOOD RUN

1W US 15/DOGWOOD RUN, York, PA

Built 1976 Load: 29.9 t ADT: 200

DELLINGER SCH ROAD

Fair

Over: BEAVER CREEK

1.7 NW N.BRIDGVL/BEAVER C, York, PA

Built 1989 Load: 29.9 t ADT: 100

RAUBENSTINE

Fair

Over: LONG ARM CREEK

LONG ARM CRK/5 S.HANOVER, York, PA

Built 1970 Load: 29.9 t ADT: 500

33RD STREET

Fair

Over: CSX;SHARED ASSET(BELMAR)

.16MI.N.GIRARD AVE.3589K4, Philadelphia, PA

Built 1905 Load: 29.9 t ADT: 20,015

33RD STREET

Fair

Over: MASTER STREET

.25MI.N.GIRARD AV.3589K04, Philadelphia, PA

Built 1901 Load: 29.9 t ADT: 20,015

RAMP A N.B.(ON)

Fair

Over: LAGOONS

ENTERPRISE AVE. 3699 F09, Philadelphia, PA

Built 1971 Load: 29.9 t ADT: 2,281

TORRESDALE AVENUE

Fair

Over: PENNYPACK CREEK

HOLMESBURG PRISON 3482G05, Philadelphia, PA

Built 1896 Load: 29.9 t ADT: 9,773

6TH ST&ALLEGHENY A

Fair

Over: CONRAIL-RICHMOND BRANCH

ALLEGHENY AVE;6TH 3590H1, Philadelphia, PA

Built 1925 Load: 29.9 t ADT: 17,309

WALNUT LANE

Fair

Over: LINCOLN DR MONOSHONE CK.

FAIRMOUNT PARK E. 3479K05, Philadelphia, PA

Built 1949 Load: 29.9 t ADT: 8,308

T-331 Pittman Rd

Fair

Over: LICKING CREEK

2 MI NW DICKEYS MOUNTAIN, Fulton, PA

Built 1998 Load: 29.9 t ADT: 52

GLASGOW STREET

Fair

Over: MANATAWNY CR; E BERKS RR

2.31MI N OFSR0100 3026-E8, Montgomery, PA

Built 1976 Load: 29.9 t ADT: 4,250

T-444 FARNSWORTH R

Fair

Over: OVER TIONESTA CK. W. BR.

MEAD TOWNSHIP, Warren, PA

Built 1975 Load: 29.9 t ADT: 100

KIEHNERS ROAD

Fair

Over: LONG RUN

NEAR 183/443 INTERSECTION, Schuylkill, PA

Built 1931 Load: 29.9 t ADT: 100

T-409 MUSTO HLW RD

Fair

Over: GENESEE RIVER

AT SR 1011 INTERSECTION, Potter, PA

Built 2000 Load: 29.9 t ADT: 50

GREEN PLACE

Fair

Over: LACKAWANNA RAIL AUTHORIT

CONVERY FIELD SCRANTON, Lackawanna, PA

Built 1935 Load: 29.9 t ADT: 50

SR 80-I 80

Fair

Over: SR 1006

2 MI WEST OF EXIT 161, Centre, PA

Built 2006 Load: 29.9 t ADT: 11,747

SR 99-I 99

Fair

Over: BALD EAGLE C/SR 3040

1 MILE SOUTH PORT MATILDA, Centre, PA

Built 2006 Load: 29.9 t ADT: 6,883

T-675(Huson Road)

Fair

Over: North Branch of Muddy Cr

N Hopewell and Windsor Tw, York, PA

Built 2013 Load: 29.9 t ADT: 100

HIGHLAND DR T-995

Fair

Over: EDINBORO LAKE TRIB

WASHINGTON TWP., Erie, PA

Built 2013 Load: 29.9 t ADT: 30

MICHAEL WAY

Fair

Over: TRIB TO TOWAMENCIN CREEK

0.8MI W OF KEELER RD, Montgomery, PA

Built 1993 Load: 29.9 t ADT: 100

T-720 (BR # 4)

Fair

Over: LANING CREEK

4.4 MI. EAST OF ULSTER, Bradford, PA

Built 1977 Load: 30.5 t ADT: 50

SR 3006; BARLOW RD

Fair

Over: US 15 SB; SR 0015

S OF GETTYSBURGG, Adams, PA

Built 1963 Load: 30.8 t ADT: 587

SR 3010

Fair

Over: MIDDLE CREEK

3 MI. S.E. OF FAIRFIELD, Adams, PA

Built 1971 Load: 30.8 t ADT: 447

Showing 3,151-3,200 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.