US Bridges

SR0079 SB over T-370 Stanford RD

Fair

Butler County, Pennsylvania · Pfeifer SB · Structure no. 000000000007878

Built
1963
62 years old, rebuilt 1993
Condition
Fair
inspected February 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
14,880
2024 count
Owner
State
State Highway Agency

About this bridge

SR0079 SB over T-370 Stanford RD is a prestressed concrete box beam or girders - multiple carrying SR0079 SB over T-370 Stanford RD in Butler County, Pennsylvania. It was built in 1963 and reconstructed in 1993, so it is 62 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 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 14,880 vehicles a day, roughly 14% of them trucks, projected to reach 13,968 by 2032. The structure is 103 ft (31.4 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR0079 SB
CrossesT-370 Stanford RD
LocationPfeifer SB
RouteInterstate 79
Coordinates40.90815, -80.12452
Functional classRural Principal Arterial - Interstate

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.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length103 ft (31.4 m)
Longest span36 ft (11 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,880 (2024)
Projected traffic13,968 by 2032
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR0079 SB over T-370 Stanford RD built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1993.

What condition is SR0079 SB over T-370 Stanford RD 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 February 2021.

How much traffic does SR0079 SB over T-370 Stanford RD carry?

About 14,880 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR0079 SB over T-370 Stanford RD?

The structure is 103 ft (31.4 m) long with a longest span of 36 ft (11 m) and a deck 46 ft wide.

Who owns SR0079 SB over T-370 Stanford RD?

It is owned by the State Highway Agency.