US Bridges

SR 861 over Wildcat Run

Good

Clarion County, Pennsylvania · Diamond NO.1 · Structure no. 000000000053445

Built
2016
9 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
908
2024 count
Owner
State
State Highway Agency

About this bridge

SR 861 over Wildcat Run is a prestressed concrete box beam or girders - multiple carrying SR 861 over Wildcat Run in Clarion County, Pennsylvania. It was built in 2016, so it is 9 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 908 vehicles a day, roughly 13% of them trucks, projected to reach 1,047 by 2037. The structure is 93 ft (28.3 m) long and 41 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSR 861
CrossesWildcat Run
LocationDiamond NO.1
RouteState Highway 861
Coordinates41.02333, -79.48138
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span88 ft (26.8 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic908 (2024)
Projected traffic1,047 by 2037
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 SR 861 over Wildcat Run built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 861 over Wildcat Run 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 May 2024.

How much traffic does SR 861 over Wildcat Run carry?

About 908 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 861 over Wildcat Run?

The structure is 93 ft (28.3 m) long with a longest span of 88 ft (26.8 m) and a deck 41 ft wide.

Who owns SR 861 over Wildcat Run?

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