US Bridges

On Tsr 863 over Elk Creek

Good

Centre County, Pennsylvania · Smullton · Structure no. 000000000009613

Built
1990
35 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
432
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 863 over Elk Creek is a prestressed concrete box beam or girders - multiple carrying On Tsr 863 over Elk Creek in Centre County, Pennsylvania. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 432 vehicles a day, roughly 4% of them trucks, projected to reach 450 by 2043. The structure is 74 ft (22.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOn Tsr 863
CrossesElk Creek
LocationSmullton
RouteState Highway 0
Coordinates40.92131, -77.48161
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span71 ft (21.6 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic432 (2024)
Projected traffic450 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 863 over Elk Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is On Tsr 863 over Elk 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 May 2023.

How much traffic does On Tsr 863 over Elk Creek carry?

About 432 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is On Tsr 863 over Elk Creek?

The structure is 74 ft (22.6 m) long with a longest span of 71 ft (21.6 m) and a deck 34 ft wide.

Who owns On Tsr 863 over Elk Creek?

It is owned by the State Highway Agency.