US Bridges

S-39-337 over Twelve Mile Creek

Fair

Pickens County, South Carolina · 1.5 MI NW Central · Structure no. 000000000003739

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
200 ft
5 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-337 over Twelve Mile Creek is a concrete tee beam carrying S-39-337 over Twelve Mile Creek in Pickens County, South Carolina. It was built in 1961, so it is 64 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 2,460 by 2043. The structure is 200 ft (61 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-39-337
CrossesTwelve Mile Creek
Location1.5 MI NW Central
RouteState Highway 337
Coordinates34.74262, -82.80188
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic2,460 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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-39-337 over Twelve Mile Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is S-39-337 over Twelve Mile 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 April 2024.

How much traffic does S-39-337 over Twelve Mile Creek carry?

About 1,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-39-337 over Twelve Mile Creek?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns S-39-337 over Twelve Mile Creek?

It is owned by the State Highway Agency.