US Bridges

Wilpen RD (SR1017) over Mill Creek

Good

Westmoreland County, Pennsylvania · Ligonier Township · Structure no. 000000000052670

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
617
2024 count
Owner
State
State Highway Agency

About this bridge

Wilpen RD (SR1017) over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Wilpen RD (SR1017) over Mill Creek in Westmoreland County, Pennsylvania. It was built in 2015, so it is 10 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 617 vehicles a day, roughly 5% of them trucks, projected to reach 728 by 2035. The structure is 85 ft (25.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWilpen RD (SR1017)
CrossesMill Creek
LocationLigonier Township
RouteState Highway 0
Coordinates40.26058, -79.20123
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating56.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span81 ft (24.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic617 (2024)
Projected traffic728 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilpen RD (SR1017) over Mill Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Wilpen RD (SR1017) over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Wilpen RD (SR1017) over Mill Creek carry?

About 617 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Wilpen RD (SR1017) over Mill Creek?

The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.7 m) and a deck 32 ft wide.

Who owns Wilpen RD (SR1017) over Mill Creek?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).