US Bridges

On Tsr 958 over Six Mile Run

Good

Centre County, Pennsylvania · 2 MI SE Winburne · Structure no. 000000000067808

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
258
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 958 over Six Mile Run is a prestressed concrete box beam or girders - multiple carrying On Tsr 958 over Six Mile Run in Centre County, Pennsylvania. It was built in 2020, so it is 5 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 258 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 2043. The structure is 51 ft (15.5 m) long and 25 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesOn Tsr 958
CrossesSix Mile Run
Location2 MI SE Winburne
RouteState Highway 0
Coordinates40.94447, -78.13628
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.6 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2024)
Projected traffic500 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 958 over Six Mile Run built?

It was built in 2020, making it 5 years old in 2025.

What condition is On Tsr 958 over Six Mile 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 July 2023.

How much traffic does On Tsr 958 over Six Mile Run carry?

About 258 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is On Tsr 958 over Six Mile Run?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns On Tsr 958 over Six Mile Run?

It is owned by the State Highway Agency.