US Bridges

S-23-587 over Trib. Rocky Creek

Fair

Greenville County, South Carolina · 0.05 MI W Simpsonville · Structure no. 000000000008445

Built
1991
34 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-587 over Trib. Rocky Creek is a prestressed concrete slab carrying S-23-587 over Trib. Rocky Creek in Greenville County, South Carolina. It was built in 1991, so it is 34 years old, younger than the South Carolina average of 48 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,683 by 2043. The structure is 40 ft (12.2 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-587
CrossesTrib. Rocky Creek
Location0.05 MI W Simpsonville
RouteState Highway 587
Coordinates34.73822, -82.27644
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,683 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-587 over Trib. Rocky Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is S-23-587 over Trib. Rocky Creek 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 S-23-587 over Trib. Rocky Creek carry?

About 1,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-23-587 over Trib. Rocky Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns S-23-587 over Trib. Rocky Creek?

It is owned by the State Highway Agency.