US Bridges

S-4-439 over Wilsons Creek

Good

Anderson County, South Carolina · 5 MI SW of Columbia · Structure no. 000000000002901

Built
2016
9 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
100
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-439 over Wilsons Creek is a prestressed concrete slab carrying S-4-439 over Wilsons Creek in Anderson County, South Carolina. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 128 by 2043. The structure is 150 ft (45.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-4-439
CrossesWilsons Creek
Location5 MI SW of Columbia
RouteState Highway 439
CountyAnderson County
StateSouth Carolina
Coordinates34.31843, -82.62336
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic128 by 2043
Trucks5%
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-4-439 over Wilsons Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is S-4-439 over Wilsons 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 January 2024.

How much traffic does S-4-439 over Wilsons Creek carry?

About 100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-4-439 over Wilsons Creek?

The structure is 150 ft (45.7 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-4-439 over Wilsons Creek?

It is owned by the State Highway Agency.