US Bridges

On Tsr 959 over Moshannon Creek

Fair

Centre County, Pennsylvania · Winburne · Structure no. 000000000009794

Built
1952
73 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
114 ft
2 main spans
Daily traffic
291
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 959 over Moshannon Creek is a concrete tee beam carrying On Tsr 959 over Moshannon Creek in Centre County, Pennsylvania. It was built in 1952, so it is 73 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 291 vehicles a day, roughly 9% of them trucks, projected to reach 541 by 2043. The structure is 114 ft (34.7 m) long and 24 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesOn Tsr 959
CrossesMoshannon Creek
LocationWinburne
RouteState Highway 0
Coordinates40.95632, -78.13972
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span56 ft (17.1 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2024)
Projected traffic541 by 2043
Trucks9%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$618,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 959 over Moshannon Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is On Tsr 959 over Moshannon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does On Tsr 959 over Moshannon Creek carry?

About 291 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is On Tsr 959 over Moshannon Creek?

The structure is 114 ft (34.7 m) long with a longest span of 56 ft (17.1 m) and a deck 24 ft wide.

Who owns On Tsr 959 over Moshannon Creek?

It is owned by the State Highway Agency.