US Bridges

SR0079 SB over T302 Tollgate School RD

Fair

Butler County, Pennsylvania · South of Zelienople · Structure no. 000000000007863

Built
1962
63 years old, rebuilt 2004
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
19,128
2024 count
Owner
State
State Highway Agency

About this bridge

SR0079 SB over T302 Tollgate School RD is a prestressed concrete box beam or girders - multiple carrying SR0079 SB over T302 Tollgate School RD in Butler County, Pennsylvania. It was built in 1962 and reconstructed in 2004, so it is 63 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 19,128 vehicles a day, roughly 12% of them trucks, projected to reach 22,461 by 2032. The structure is 33 ft (10.1 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR0079 SB
CrossesT302 Tollgate School RD
LocationSouth of Zelienople
RouteInterstate 79
CountyButler County
StatePennsylvania
Coordinates40.77643, -80.12795
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating37 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,128 (2024)
Projected traffic22,461 by 2032
Trucks12%
Lanes on structure3
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$210,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR0079 SB over T302 Tollgate School RD built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2004.

What condition is SR0079 SB over T302 Tollgate School 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 July 2024.

How much traffic does SR0079 SB over T302 Tollgate School RD carry?

About 19,128 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR0079 SB over T302 Tollgate School RD?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 48 ft wide.

Who owns SR0079 SB over T302 Tollgate School RD?

It is owned by the State Highway Agency.