US Bridges

S-39-179 over Trib to 23 Mi.Creek

Good

Pickens County, South Carolina · 4.0 MI S Easley · Structure no. 000000000008381

Built
1990
35 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-179 over Trib to 23 Mi.Creek is a prestressed concrete slab carrying S-39-179 over Trib to 23 Mi.Creek in Pickens County, South Carolina. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 650 vehicles a day, roughly 5% of them trucks, projected to reach 832 by 2043. The structure is 60 ft (18.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-39-179
CrossesTrib to 23 Mi.Creek
Location4.0 MI S Easley
RouteState Highway 179
Coordinates34.77152, -82.61589
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.1 US tons
Inventory rating43.2 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 traffic650 (2023)
Projected traffic832 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-39-179 over Trib to 23 Mi.Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is S-39-179 over Trib to 23 Mi.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 November 2024.

How much traffic does S-39-179 over Trib to 23 Mi.Creek carry?

About 650 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-39-179 over Trib to 23 Mi.Creek?

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-39-179 over Trib to 23 Mi.Creek?

It is owned by the State Highway Agency.