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

JAYCEE DRIVE

Poor

Over: BLACK CREEK

.5 MI W SR 0093, Luzerne, PA

Built 1968 Load: 29.0 t ADT: 100

SNELL ROAD

Poor

Over: SANATOGA CREEK

E OF SANATOGA RD 2915-G9, Montgomery, PA

Built 1932 Load: 29.0 t ADT: 250

UNIVERSAL RD

Poor

Over: PLUM CREEK UPPER BRANCH

PU02 PLUM CRK U BR NO 2, Allegheny, PA

Built 1982 Load: 29.9 t ADT: 7,662

SR0028

Poor

Over: SCRUBGRASS CREEK

GOHEENVILLE NO.2, Armstrong, PA

Built 1928 Load: 29.9 t ADT: 6,931

SWAMP POODLE RD

Poor

Over: BRUSH RUN CREEK

217011 0.6 MI S / RT 251, Beaver, PA

Built 1900 Load: 29.9 t ADT: 50

PA 31

Poor

Over: FINN RUN

2.5 M.E. NEW BUENA VISTA, Bedford, PA

Built 1931 Load: 29.9 t ADT: 1,206

SR 1015

Poor

Over: BEAVER CREEK

2 MI.S.OF NEW ENTERPRISE, Bedford, PA

Built 1915 Load: 29.9 t ADT: 103

WASHING. ST(06233)

Poor

Over: NORFOLK/SOUTHERN RR

7TH & WASHINGTON ST., Berks, PA

Built 1882 Load: 29.9 t ADT: 12,040

8TH AVENUE

Poor

Over: SHALTER AVENUE FLOODWAY

8TH AVE AND SHALTER AVE., Berks, PA

Built 1935 Load: 29.9 t ADT: 200

UNION AVENUE

Poor

Over: BRANCH TOHICKON CREEK

SOUTH RICHLANDTOWN 08E10, Bucks, PA

Built 1914 Load: 29.9 t ADT: 2,067

OLD BETHLEHEM PIKE

Poor

Over: THREE MILE RUN

0.6 M N SR563 ADC 2807-K9, Bucks, PA

Built 1955 Load: 29.9 t ADT: 1,000

STOUTS VALLEY ROAD

Poor

Over: COOKS CREEK

0.3 MI N SR 212 2469-G7, Bucks, PA

Built 1931 Load: 29.9 t ADT: 200

TOWPATH ACCESS

Poor

Over: DELAWARE CANAL

NW OF BROWNSBURG, Bucks, PA

Built 1832 Load: 29.9 t ADT: 4

RAMP D ON

Poor

Over: ROCK RUN

US 1;US 13 INTERCH.38J06, Bucks, PA

Built 1966 Load: 29.9 t ADT: 1,499

SR0138

Poor

Over: B&LE RAILROAD

EUCLID, Butler, PA

Built 1947 Load: 29.9 t ADT: 995

I80 EB (LR1009)

Poor

Over: RAMPS G & H SR 8004

EXIT 277(42)TPKE-PA940, Carbon, PA

Built 1965 Load: 29.9 t ADT: 8,087

COMPASS ROAD

Poor

Over: BUCK RUN

600 N OF RTE 30 3578-B3, Chester, PA

Built 1930 Load: 29.9 t ADT: 600

SR 219-US 219

Poor

Over: TRIB OF WOLF RUN

3 MI N FALLS CREEK, Clearfield, PA

Built 1962 Load: 29.9 t ADT: 7,645

ON TSR 999

Poor

Over: TROUT RUN

SHAWVILLE, Clearfield, PA

Built 1914 Load: 29.9 t ADT: 49

SR 408 CHURCH ST

Poor

Over: OVER MOHAWK RUN

ROCKDALE TOWNSHIP, Crawford, PA

Built 1930 Load: 29.9 t ADT: 1,119

SR 1013 THOMPSON R

Poor

Over: OVER MC LAUGHLIN CREEK

OIL CREEK TOWNSHIP, Crawford, PA

Built 1930 Load: 29.9 t ADT: 410

T-477 JAY ROAD

Poor

Over: OVER SUGAR CREEK

6 MI.S.TOWNVILLE, Crawford, PA

Built 1950 Load: 29.9 t ADT: 250

US 11; SR 0011

Poor

Over: LETORT SPRING CREEK

1 MI EAST OF MIDDLESEX, Cumberland, PA

Built 1908 Load: 29.9 t ADT: 22,247

MACLAY ST. /TURNBK

Poor

Over: Norfolk Southern RR

MACLAY ST IN HARRISBURG, Dauphin, PA

Built 1940 Load: 29.9 t ADT: 2,000

SR 505 PERRY HWY

Poor

Over: OVER MILL CREEK

MILL CREEK TOWNSHIP, Erie, PA

Built 1952 Load: 29.9 t ADT: 7,782

WELLINGTON STREET

Poor

Over: SIXTEEN MILE CREEK

700 FT EAST OF SR 89, Erie, PA

Built 1976 Load: 29.9 t ADT: 536

SR 2040; US 40 BUS

Poor

Over: REDSTONE CREEK

CITY OF UNIONTOWN, Fayette, PA

Built 1940 Load: 29.9 t ADT: 2,348

FERRY ROAD

Poor

Over: BROWN CREEK

1.4 MI NW OF SR 0166, Fayette, PA

Built 1905 Load: 29.9 t ADT: 10

SR 2001

Poor

Over: RUDOLPH RUN

PERRY TOWNSHIP, Greene, PA

Built 1921 Load: 29.9 t ADT: 13

T409 TUSCAR CRK RD

Poor

Over: TUSCARORA CREEK

600 S OF VAN BUREN RD, Huntingdon, PA

Built 1934 Load: 29.9 t ADT: 66

T400 ENTRKN CEM RD

Poor

Over: COFFEE RUN

ENTRIKEN, Huntingdon, PA

Built 1913 Load: 29.9 t ADT: 42

SR 1014

Poor

Over: S BR OF TWO LICK CR

CYPRESS, Indiana, PA

Built 1934 Load: 29.9 t ADT: 169

SR3029

Poor

Over: NEAL RUN

CLUNE NO.2, Indiana, PA

Built 1942 Load: 29.9 t ADT: 106

SR3031

Poor

Over: BLACKLEGS CREEK

GREEN VALLEY, Indiana, PA

Built 1939 Load: 29.9 t ADT: 312

SR4001

Poor

Over: SOUTH BRANCH PLUM CREEK

FIVE POINTS NO.2, Indiana, PA

Built 1953 Load: 29.9 t ADT: 439

SR3003

Poor

Over: REDBANK CREEK

BAXTER, Jefferson, PA

Built 1938 Load: 29.9 t ADT: 229

SR 235-PA 235

Poor

Over: CRANES RUN

1 MI SE SEVEN STARS, Juniata, PA

Built 1929 Load: 29.9 t ADT: 395

PA 741; SR 0741

Poor

Over: AMTRAK

GAP, Lancaster, PA

Built 1984 Load: 29.9 t ADT: 5,630

Centerville Rd

Poor

Over: Mill Creek

1.5 mi. S.of Groffdale, Lancaster, PA

Built 1916 Load: 29.9 t ADT: 817

SR 4020

Poor

Over: CHICKIES CREEK

2 MI. W. OF LANDISVILLE, Lancaster, PA

Built 1937 Load: 29.9 t ADT: 7,538

T-434 FURNISS ROAD

Poor

Over: FISHING CREEK

500 FT NW OF T-377, Lancaster, PA

Built 1984 Load: 29.9 t ADT: 210

T-773 GROFFDALE RD

Poor

Over: MILL CREEK

1 MI NORTH OF SR 772, Lancaster, PA

Built 1917 Load: 29.9 t ADT: 300

BELTWAY EX

Poor

Over: NESHANNOCK CREEK

037028 CITY OF NEW CASTLE, Lawrence, PA

Built 1968 Load: 29.9 t ADT: 2,000

SR 2029(LR 39002)

Poor

Over: INDIAN CREEK

PALM RD. AT POWDER VAL., Lehigh, PA

Built 1935 Load: 29.9 t ADT: 917

SR 0309 TR 309

Poor

Over: NESCOPECK CREEK

BUTLER TWP .2 M S SR 3040, Luzerne, PA

Built 1956 Load: 29.9 t ADT: 12,764

T408 LOWER PORTAGE

Poor

Over: SKINNER CREEK

300 S OF SKINNER CRK RD, McKean, PA

Built 1920 Load: 29.9 t ADT: 100

SR 19 PERRY HWY.

Poor

Over: OVER JOHNSTON RUN

SPRINGFIELD TOWNSHIP, Mercer, PA

Built 1928 Load: 29.9 t ADT: 2,520

SR 1016(LR 45014)

Poor

Over: LONGSHORE CREEK

LOWER LAKE VIEW DRIVE, Monroe, PA

Built 1950 Load: 29.9 t ADT: 913

SR 3021(LR 45021)

Poor

Over: APPENZELL CREEK

NEOLA ROAD, Monroe, PA

Built 1941 Load: 29.9 t ADT: 1,650

RIDGE PIKE

Poor

Over: PA TPK (I-276)

SOUTHEAST OF NORRISTOWN, Montgomery, PA

Built 1954 Load: 29.9 t ADT: 200

Showing 22,051-22,100 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.