US Bridges

S-39-354 over Trib to Carpenter Ck

Fair

Pickens County, South Carolina · 8.0 MI NE Pickens · Structure no. 000000000007285

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-354 over Trib to Carpenter Ck is a prestressed concrete channel beam carrying S-39-354 over Trib to Carpenter Ck in Pickens County, South Carolina. It was built in 1979, so it is 46 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 150 vehicles a day, roughly 10% of them trucks. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-39-354
CrossesTrib to Carpenter Ck
Location8.0 MI NE Pickens
RouteState Highway 354
Coordinates34.96788, -82.60889
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic—
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-39-354 over Trib to Carpenter Ck built?

It was built in 1979, making it 46 years old in 2025.

What condition is S-39-354 over Trib to Carpenter 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 October 2024.

How much traffic does S-39-354 over Trib to Carpenter Ck carry?

About 150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-39-354 over Trib to Carpenter Ck?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns S-39-354 over Trib to Carpenter Ck?

It is owned by the State Highway Agency.