US Bridges

SR 150-PA 150 over T-471

Good

Centre County, Pennsylvania · Blanchard Dam State Park · Structure no. 000000000009399

Built
1966
59 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
3,865
2024 count
Owner
State
State Highway Agency

About this bridge

SR 150-PA 150 over T-471 is a prestressed concrete box beam or girders - multiple carrying SR 150-PA 150 over T-471 in Centre County, Pennsylvania. It was built in 1966, so it is 59 years old, older 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 3,865 vehicles a day, roughly 11% of them trucks, projected to reach 5,280 by 2044. The structure is 40 ft (12.2 m) long and 45 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSR 150-PA 150
CrossesT-471
LocationBlanchard Dam State Park
RouteState Highway 150
Coordinates41.04002, -77.64538
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,865 (2024)
Projected traffic5,280 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed31.7 mi (51 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$376,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 150-PA 150 over T-471 built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR 150-PA 150 over T-471 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 June 2024.

How much traffic does SR 150-PA 150 over T-471 carry?

About 3,865 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SR 150-PA 150 over T-471?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 45 ft wide.

Who owns SR 150-PA 150 over T-471?

It is owned by the State Highway Agency.