US Bridges

S-39-29 over US 123

Fair

Pickens County, South Carolina · City of Easley · Structure no. 000000000004396

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
196 ft
4 main spans
Daily traffic
14,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-29 over US 123 is a prestressed concrete stringer/multi-beam or girder carrying S-39-29 over US 123 in Pickens County, South Carolina. It was built in 1964, so it is 61 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 14,100 vehicles a day, roughly 2% of them trucks, projected to reach 17,907 by 2043. The structure is 196 ft (59.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-39-29
CrossesUS 123
LocationCity of Easley
RouteState Highway 29
Coordinates34.82219, -82.58477
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length196 ft (59.7 m)
Longest span53 ft (16.2 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2023)
Projected traffic17,907 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$692,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-39-29 over US 123 built?

It was built in 1964, making it 61 years old in 2025.

What condition is S-39-29 over US 123 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-39-29 over US 123 carry?

About 14,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-39-29 over US 123?

The structure is 196 ft (59.7 m) long with a longest span of 53 ft (16.2 m) and a deck 35 ft wide.

Who owns S-39-29 over US 123?

It is owned by the State Highway Agency.