US Bridges

SR0008 over Big Run

Fair

Butler County, Pennsylvania · South of Stonehouse · Structure no. 000000000007789

Built
1942
83 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
9,078
2023 count
Owner
State
State Highway Agency

About this bridge

SR0008 over Big Run is a concrete culvert carrying SR0008 over Big Run in Butler County, Pennsylvania. It was built in 1942, so it is 83 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 9,078 vehicles a day, roughly 8% of them trucks, projected to reach 12,685 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR0008
CrossesBig Run
LocationSouth of Stonehouse
RouteState Highway 8
Coordinates41.00523, -79.99884
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,078 (2023)
Projected traffic12,685 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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$151,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR0008 over Big Run built?

It was built in 1942, making it 83 years old in 2025.

What condition is SR0008 over Big Run 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 August 2023.

How much traffic does SR0008 over Big Run carry?

About 9,078 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR0008 over Big Run?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns SR0008 over Big Run?

It is owned by the State Highway Agency.