US Bridges

SR0528 over SR0079 SB

Fair

Butler County, Pennsylvania · Rolling Hills SB · Structure no. 000000000007971

Built
1968
57 years old, rebuilt 1999
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
8,016
2023 count
Owner
State
State Highway Agency

About this bridge

SR0528 over SR0079 SB is a prestressed concrete box beam or girders - multiple carrying SR0528 over SR0079 SB in Butler County, Pennsylvania. It was built in 1968 and reconstructed in 1999, so it is 57 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 8,016 vehicles a day, roughly 12% of them trucks, projected to reach 10,106 by 2032. The structure is 153 ft (46.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR0528
CrossesSR0079 SB
LocationRolling Hills SB
RouteState Highway 528
CountyButler County
StatePennsylvania
Coordinates40.75785, -80.11572
Functional classUrban Minor Arterial

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.
Last inspectionJanuary 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span66 ft (20.1 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,016 (2023)
Projected traffic10,106 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR0528 over SR0079 SB built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1999.

What condition is SR0528 over SR0079 SB 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 January 2023.

How much traffic does SR0528 over SR0079 SB carry?

About 8,016 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR0528 over SR0079 SB?

The structure is 153 ft (46.6 m) long with a longest span of 66 ft (20.1 m) and a deck 44 ft wide.

Who owns SR0528 over SR0079 SB?

It is owned by the State Highway Agency.