US Bridges

C-39-502 over Tribute to 12 Mile Creek

Good

Pickens County, South Carolina · 2 MI NW of Pickens · Structure no. 000000000009813

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
60
2017 count
Owner
County
County Highway Agency

About this bridge

C-39-502 over Tribute to 12 Mile Creek is a prestressed concrete slab carrying C-39-502 over Tribute to 12 Mile Creek in Pickens County, South Carolina. It was built in 2004, so it is 21 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 60 vehicles a day, projected to reach 77 by 2037. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC-39-502
CrossesTribute to 12 Mile Creek
Location2 MI NW of Pickens
RouteCounty Highway 502
Coordinates34.89692, -82.73354
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating30.3 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 width27 ft (8.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2017)
Projected traffic77 by 2037
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-39-502 over Tribute to 12 Mile Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is C-39-502 over Tribute to 12 Mile Creek 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 March 2024.

How much traffic does C-39-502 over Tribute to 12 Mile Creek carry?

About 60 vehicles per day (2017 count).

How long is C-39-502 over Tribute to 12 Mile Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns C-39-502 over Tribute to 12 Mile Creek?

It is owned by the County Highway Agency.