US Bridges

S-39-47 over Trid to Oolenoy River

Good

Pickens County, South Carolina · 9.5 MI NE Pickens · Structure no. 000000000002817

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-47 over Trid to Oolenoy River is a prestressed concrete slab carrying S-39-47 over Trid to Oolenoy River in Pickens County, South Carolina. It was built in 2010, so it is 15 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 512 by 2043. The structure is 80 ft (24.4 m) long and 36 ft wide.

CarriesS-39-47
CrossesTrid to Oolenoy River
Location9.5 MI NE Pickens
RouteState Highway 47
Coordinates35.00467, -82.62327
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic512 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-39-47 over Trid to Oolenoy River built?

It was built in 2010, making it 15 years old in 2025.

What condition is S-39-47 over Trid to Oolenoy River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does S-39-47 over Trid to Oolenoy River carry?

About 400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-39-47 over Trid to Oolenoy River?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns S-39-47 over Trid to Oolenoy River?

It is owned by the State Highway Agency.