US Bridges

SR0058 over N Br Slippery Rock CR

Fair

Butler County, Pennsylvania · Near Harrisville · Structure no. 000000000007827

Built
1951
74 years old, rebuilt 1993
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
1,081
2024 count
Owner
State
State Highway Agency

About this bridge

SR0058 over N Br Slippery Rock CR is a steel stringer/multi-beam or girder carrying SR0058 over N Br Slippery Rock CR in Butler County, Pennsylvania. It was built in 1951 and reconstructed in 1993, so it is 74 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 6 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 1,081 vehicles a day, roughly 22% of them trucks, projected to reach 1,763 by 2032. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR0058
CrossesN Br Slippery Rock CR
LocationNear Harrisville
RouteState Highway 58
CountyButler County
StatePennsylvania
Coordinates41.13139, -79.94946
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,081 (2024)
Projected traffic1,763 by 2032
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR0058 over N Br Slippery Rock CR built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1993.

What condition is SR0058 over N Br Slippery Rock CR 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 2023.

How much traffic does SR0058 over N Br Slippery Rock CR carry?

About 1,081 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is SR0058 over N Br Slippery Rock CR?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 28 ft wide.

Who owns SR0058 over N Br Slippery Rock CR?

It is owned by the State Highway Agency.