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

WORKERS RD (T-463)

Good

Over: BELL RUN

250 FT SE OF T461, Clearfield, PA

Built 1930 Load: 35.6 t ADT: 60

SR 2028 ENTERPRIZE

Good

Over: OVER PINE CREEK

OIL CREEK TOWNSHIP, Crawford, PA

Built 1940 Load: 35.6 t ADT: 1,745

SR 3004

Good

Over: DUTCH FORK BUFFALO CREEK

DONEGAL TOWNSHIP, Washington, PA

Built 1964 Load: 35.6 t ADT: 49

SR 1006

Good

Over: Tubmill Creek

FAIRFIELD TOWNSHIP, Westmoreland, PA

Built 1927 Load: 35.6 t ADT: 435

Richmond Rd

Good

Over: Fishing Creek

1 MI.S. OF CRALEY, York, PA

Built 1942 Load: 35.6 t ADT: 200

TWP RD. T722

Good

Over: LITTLE SHAMOKIN CREEK

3.5MI.NW OF SEVEN POINTS, Northumberland, PA

Built 2005 Load: 35.6 t ADT: 250

Rochester Road

Good

Over: SR 0079 NB SB

NEAR I-79-I-279 JUNCTION, Allegheny, PA

Built 2007 Load: 35.6 t ADT: 7,502

RETTEW MILL RD

Good

Over: COCALICO CREEK

1100 FT NW OF SR 1018, Lancaster, PA

Built 2006 Load: 35.6 t ADT: 4,000

NORTH CREEK ROAD

Good

Over: W. BR. WHITE CLAY CREEK

NEAR FRANKLIN 54C5, Chester, PA

Built 2010 Load: 35.6 t ADT: 506

SR 2021

Good

Over: Branch of Pigeon Creek

0.1 mi N of SR 0917, Washington, PA

Built 2009 Load: 35.6 t ADT: 116

SWEDESFORD ROAD

Good

Over: US RTE 202

.4MI. S.PA29 INT. 3474E02, Chester, PA

Built 2010 Load: 35.6 t ADT: 13,326

LEES BRIDGE ROAD

Good

Over: BLACK RUN CREEK

2 MI. W. U.S.-1 4017K01, Chester, PA

Built 2011 Load: 35.6 t ADT: 695

RAMP F

Good

Over: KELLY DRIVE N.B.

GUSTINE LAKE INT. 3479H08, Philadelphia, PA

Built 2011 Load: 35.6 t ADT: 6,623

South Watson

Good

Over: WATSON RUN

VERNON TWP, Crawford, PA

Built 2011 Load: 35.6 t ADT: 200

SR 4006

Good

Over: HEMLOCK CREEK

3 MI WEST OF BLOOMSBURG, Columbia, PA

Built 2011 Load: 35.6 t ADT: 1,289

New Rchmnd SR 1033

Good

Over: MACKAY RUN

RICHMOND TWP, Crawford, PA

Built 2011 Load: 35.6 t ADT: 180

UNIONCI-CORRY SR 6

Good

Over: BEAVER RUN

WAYNE TOWNSHIP, Erie, PA

Built 2011 Load: 35.6 t ADT: 4,541

SR 2043

Good

Over: Twomile Run

1.4 mi N from SR 0711, Westmoreland, PA

Built 2011 Load: 35.6 t ADT: 388

BEAVER RUN

Good

Over: BEAVER RUN

PATCHINVILLE, Clearfield, PA

Built 2011 Load: 35.6 t ADT: 970

SR 3003

Good

Over: BUFFALO CREEK

PLEASANT VILLAGE, Union, PA

Built 2011 Load: 35.6 t ADT: 448

SR 0402 TR 402

Good

Over: BLOOMING GROVE CREEK

BLMG GR TP 150N SR 4004, Pike, PA

Built 2012 Load: 35.6 t ADT: 2,997

PA TPK (TOLL 43)

Good

Over: SR2089 & Twomile Run

Exit 28, Washington, PA

Built 2011 Load: 35.6 t ADT: 2,000

SR 2034

Good

Over: TUNKHANNOCK CREEK

GIBSON TWP 700 E TR 92, Susquehanna, PA

Built 2012 Load: 35.6 t ADT: 132

SR 2045

Good

Over: Loyalhanna Creek

0.12 mi S from SR 0030, Westmoreland, PA

Built 2012 Load: 35.6 t ADT: 24

SR 147

Good

Over: FIDDLERS RUN

1 MI S OF HERNDON, Northumberland, PA

Built 2012 Load: 35.6 t ADT: 3,429

T-750 LEISURE ROAD

Good

Over: LEISURE RUN

90 FT EAST OF SR 66 INT, Clarion, PA

Built 2012 Load: 35.6 t ADT: 50

PA 433; Tanyard hl

Good

Over: CONODOGUINET CREEK

.25 MI.N.W. OF ORRSTOWN, Franklin, PA

Built 2010 Load: 35.6 t ADT: 1,122

T-750 KENDRICK RD

Good

Over: TRIB TO TIOGA RIVER

0.4 MI WEST OF COVINGTON, Tioga, PA

Built 2012 Load: 35.6 t ADT: 120

SR 1054

Good

Over: TOBY CREEK

LUZERNE BORO AT EVANS ST, Luzerne, PA

Built 2012 Load: 35.6 t ADT: 4,923

SR 522

Good

Over: WETZEL RUN

0.5 MI E OF BEAVERTOWN, Snyder, PA

Built 2012 Load: 35.6 t ADT: 6,025

I-0080 WBL

Good

Over: SR 1004 N.Br. Susq. Rvr

I-80 WB Mifflinville Rive, Columbia, PA

Built 2012 Load: 35.6 t ADT: 28,085

SR 1002

Good

Over: MARSH CREEK

2 MI NW BLANCHARD, Centre, PA

Built 2012 Load: 35.6 t ADT: 459

SR 1006

Good

Over: KINGS RUN

VILLAGE OF PROCTOR, Lycoming, PA

Built 2012 Load: 35.6 t ADT: 115

SR2039 WSTMNSTR RD

Good

Over: GARDNERS CREEK

JENKINS TWP .4 M S TR 315, Luzerne, PA

Built 2012 Load: 35.6 t ADT: 639

SR 2033; t-673

Good

Over: FISHING CREEK

0.5 MI.S. OF MARTINSVILLE, York, PA

Built 2013 Load: 35.6 t ADT: 2,310

SR 2017

Good

Over: MANADA CREEK

MANADA HILL, Dauphin, PA

Built 2013 Load: 35.6 t ADT: 711

LAUREL RIDGE ROAD

Good

Over: LAUREL RUN

HUSTON TOWNSHIP, Clearfield, PA

Built 2013 Load: 35.6 t ADT: 100

SR 6 GRAND ARMY HY

Good

Over: PADEN CREEK

CONNEAUT TWP, Crawford, PA

Built 2013 Load: 35.6 t ADT: 1,659

SR 4047

Good

Over: Chartiers Run

3.8 mi S from SR 0050, Washington, PA

Built 2013 Load: 35.6 t ADT: 1,695

SKY HILL RD

Good

Over: COFFEE RUN

1/2 MI. WEST OF SR 4003, Lawrence, PA

Built 2013 Load: 35.6 t ADT: 397

KELLER ROAD

Good

Over: TRIB.TO SOBERS RUN

EAST OF BUSHKILL CENTER, Northampton, PA

Built 2013 Load: 35.6 t ADT: 200

HELLERTOWN ROAD

Good

Over: BRANCH OF COOKS CREEK

1/4 MI. W. PA212 2582B03, Bucks, PA

Built 2013 Load: 35.6 t ADT: 3,842

T-616 SHERIDAN ST

Good

Over: MILLERS RUN

SHERIDAN ST. IN FAXON, Lycoming, PA

Built 2013 Load: 35.6 t ADT: 6,315

SR 0021

Good

Over: NS RR Mon Rvr Local Rd

1.2 mi W from SR 0166, Fayette, PA

Built 2013 Load: 35.6 t ADT: 11,158

PA 164

Good

Over: CLOVER CREEK

FREDRICKSBURG, Blair, PA

Built 2013 Load: 35.6 t ADT: 3,527

SR 3001

Good

Over: CASSELMAN RIVER

FORT HILL, Somerset, PA

Built 2013 Load: 35.6 t ADT: 185

3100/North Street

Good

Over: I-83

1 MI. NE OF LOGANVILLE, York, PA

Built 2014 Load: 35.6 t ADT: 6,524

GRAVEL PIKE

Good

Over: HOSENSACK CREEK

1 MI. E. BERKS 2804F03, Montgomery, PA

Built 2014 Load: 35.6 t ADT: 6,469

PA 414

Good

Over: NORTH BR TOWANDA CR

1 MI EAST OF WEST FRANKLI, Bradford, PA

Built 2014 Load: 35.6 t ADT: 1,723

SR 2001

Good

Over: BLACK HOLE CREEK

4 mi NW of Montgomery, Lycoming, PA

Built 2014 Load: 35.6 t ADT: 2,511

Showing 14,201-14,250 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.