US Bridges

SR0008 over Armco Plant Road

Fair

Butler County, Pennsylvania · South of Butler · Structure no. 000000000007779

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
15,629
2024 count
Owner
Private
Private (other than railroad)

About this bridge

SR0008 over Armco Plant Road is a concrete culvert carrying SR0008 over Armco Plant Road in Butler County, Pennsylvania. It was built in 1965, so it is 60 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 15,629 vehicles a day, roughly 16% of them trucks, projected to reach 19,998 by 2032. The structure is 35 ft (10.7 m) long and 96 ft wide.

Location

Open in Google Maps
CarriesSR0008
CrossesArmco Plant Road
LocationSouth of Butler
RouteState Highway 8
CountyButler County
StatePennsylvania
Coordinates40.8265, -79.9271
Functional classUrban Other Principal 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
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width96 ft (29.3 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,629 (2024)
Projected traffic19,998 by 2032
Trucks16%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerPrivate (other than railroad)
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$724,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR0008 over Armco Plant Road built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR0008 over Armco Plant Road 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 March 2023.

How much traffic does SR0008 over Armco Plant Road carry?

About 15,629 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is SR0008 over Armco Plant Road?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 96 ft wide.

Who owns SR0008 over Armco Plant Road?

It is owned by the Private (other than railroad) and maintained by the State Highway Agency.