US Bridges

S-39-33 over Trib to Middle Fork CR

Fair

Pickens County, South Carolina · 5.0 MI NW Pickens · Structure no. 000000000008293

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-33 over Trib to Middle Fork CR is a prestressed concrete slab carrying S-39-33 over Trib to Middle Fork CR in Pickens County, South Carolina. It was built in 1989, so it is 36 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 6 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 225 vehicles a day, roughly 7% of them trucks, projected to reach 329 by 2043. The structure is 60 ft (18.3 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-39-33
CrossesTrib to Middle Fork CR
Location5.0 MI NW Pickens
RouteState Highway 33
Coordinates34.94442, -82.75861
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic329 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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-39-33 over Trib to Middle Fork CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is S-39-33 over Trib to Middle Fork CR 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-39-33 over Trib to Middle Fork CR carry?

About 225 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-39-33 over Trib to Middle Fork CR?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns S-39-33 over Trib to Middle Fork CR?

It is owned by the State Highway Agency.