US Bridges

T-512 Sig-Mil Pike over Penns Creek

Fair

Centre County, Pennsylvania · 20 Ft South Int SR 1012 · Structure no. 000000000009827

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-512 Sig-Mil Pike over Penns Creek is a prestressed concrete box beam or girders - multiple carrying T-512 Sig-Mil Pike over Penns 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 fair condition with a lowest component rating of 6 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 71 by 2043. The structure is 87 ft (26.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-512 Sig-Mil Pike
CrossesPenns Creek
Location20 Ft South Int SR 1012
RouteCity Street 0
Coordinates40.85643, -77.48915
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic71 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T-512 Sig-Mil Pike over Penns Creek built?

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

What condition is T-512 Sig-Mil Pike over Penns 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 May 2023.

How much traffic does T-512 Sig-Mil Pike over Penns Creek carry?

About 50 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is T-512 Sig-Mil Pike over Penns Creek?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 32 ft wide.

Who owns T-512 Sig-Mil Pike over Penns Creek?

It is owned by the Town or Township Highway Agency.