US Bridges

SR4007 over SR0079 Nb&sb

Fair

Butler County, Pennsylvania · West Park RD NO.6 · Structure no. 000000000008125

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
227 ft
5 main spans
Daily traffic
716
2024 count
Owner
State
State Highway Agency

About this bridge

SR4007 over SR0079 Nb&sb is a steel continuous stringer/multi-beam or girder carrying SR4007 over SR0079 Nb&sb in Butler County, Pennsylvania. It was built in 1964, so it is 61 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 716 vehicles a day, roughly 7% of them trucks, projected to reach 971 by 2032. The structure is 227 ft (69.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR4007
CrossesSR0079 Nb&sb
LocationWest Park RD NO.6
RouteState Highway 0
CountyButler County
StatePennsylvania
Coordinates41.00425, -80.11734
Functional classRural Major Collector

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 inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length227 ft (69.2 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic716 (2024)
Projected traffic971 by 2032
Trucks7%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$797,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR4007 over SR0079 Nb&sb built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR4007 over SR0079 Nb&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 August 2024.

How much traffic does SR4007 over SR0079 Nb&sb carry?

About 716 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR4007 over SR0079 Nb&sb?

The structure is 227 ft (69.2 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns SR4007 over SR0079 Nb&sb?

It is owned by the State Highway Agency.