US Bridges

T-385 Valley Cross over Potato Creek

PoorPosted for load

McKean County, Pennsylvania · 1500 Ft East of SR 46 · Structure no. 000000000025583

Built
1888
137 years old, rebuilt 2020
Condition
Poor
inspected May 2024
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
146 ft
1 main span
Daily traffic
450
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-385 Valley Cross over Potato Creek is a aluminum, wrought iron, or cast iron truss - thru carrying T-385 Valley Cross over Potato Creek in McKean County, Pennsylvania. It was built in 1888 and reconstructed in 2020, so it is 137 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 450 vehicles a day, projected to reach 500 by 2038. The structure is 146 ft (44.5 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesT-385 Valley Cross
CrossesPotato Creek
Location1500 Ft East of SR 46
RouteCity Street 0
Coordinates41.86071, -78.43973
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating12 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckOpen grating
Main spans1
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span144 ft (43.9 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic450 (2018)
Projected traffic500 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$862,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-385 Valley Cross over Potato Creek built?

It was built in 1888, making it 137 years old in 2025. It was reconstructed in 2020.

What condition is T-385 Valley Cross over Potato Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does T-385 Valley Cross over Potato Creek carry?

About 450 vehicles per day (2018 count).

How long is T-385 Valley Cross over Potato Creek?

The structure is 146 ft (44.5 m) long with a longest span of 144 ft (43.9 m) and a deck 16 ft wide.

Who owns T-385 Valley Cross over Potato Creek?

It is owned by the Town or Township Highway Agency.