US Bridges

S-39-355 over Machine Creek

Fair

Pickens County, South Carolina · 10.0 MI E Pickens · Structure no. 000000000005147

Built
1967
58 years old, rebuilt 1984
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
4,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-355 over Machine Creek is a concrete slab carrying S-39-355 over Machine Creek in Pickens County, South Carolina. It was built in 1967 and reconstructed in 1984, so it is 58 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 4,100 vehicles a day, roughly 6% of them trucks, projected to reach 8,446 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-39-355
CrossesMachine Creek
Location10.0 MI E Pickens
RouteState Highway 355
CountyPickens County
StateSouth Carolina
Coordinates34.90968, -82.54202
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2023)
Projected traffic8,446 by 2043
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$420,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-39-355 over Machine Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1984.

What condition is S-39-355 over Machine 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 December 2024.

How much traffic does S-39-355 over Machine Creek carry?

About 4,100 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-39-355 over Machine Creek?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-39-355 over Machine Creek?

It is owned by the State Highway Agency.