US Bridges

S-39-160 over Trib to 6 Mile Ck

Fair

Pickens County, South Carolina · 2.5 MI SW Six Mile · Structure no. 000000000006363

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
60 ft
4 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-160 over Trib to 6 Mile Ck is a prestressed concrete slab carrying S-39-160 over Trib to 6 Mile Ck in Pickens County, South Carolina. It was built in 1973, so it is 52 years old, older 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 2,900 vehicles a day, roughly 5% of them trucks, projected to reach 4,234 by 2043. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-39-160
CrossesTrib to 6 Mile Ck
Location2.5 MI SW Six Mile
RouteState Highway 160
Coordinates34.77744, -82.84647
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic4,234 by 2043
Trucks5%
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 S-39-160 over Trib to 6 Mile Ck built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-39-160 over Trib to 6 Mile Ck 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 November 2024.

How much traffic does S-39-160 over Trib to 6 Mile Ck carry?

About 2,900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-39-160 over Trib to 6 Mile Ck?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-39-160 over Trib to 6 Mile Ck?

It is owned by the State Highway Agency.