US Bridges

S-35-406 over Whites Creek

Fair

Marlboro County, South Carolina · 6 MI NE Wallace · Structure no. 000000000004177

Built
1963
62 years old, rebuilt 1997
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

S-35-406 over Whites Creek is a concrete slab carrying S-35-406 over Whites Creek in Marlboro County, South Carolina. It was built in 1963 and reconstructed in 1997, so it is 62 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 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 50 vehicles a day, projected to reach 64 by 2043. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-35-406
CrossesWhites Creek
Location6 MI NE Wallace
RouteState Highway 406
Coordinates34.77963, -79.80621
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 10
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic64 by 2043
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-35-406 over Whites Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1997.

What condition is S-35-406 over Whites 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 March 2023.

How much traffic does S-35-406 over Whites Creek carry?

About 50 vehicles per day (2023 count).

How long is S-35-406 over Whites Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-35-406 over Whites Creek?

It is owned by the State Highway Agency.