US Bridges

US 1 over Whites Creek

Fair

Marlboro County, South Carolina · 2.5 MI NW of Wallace · Structure no. 000000000000050

Built
1931
94 years old, rebuilt 1954
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
100 ft
4 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 over Whites Creek is a concrete tee beam carrying US 1 over Whites Creek in Marlboro County, South Carolina. It was built in 1931 and reconstructed in 1954, so it is 94 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 2,900 vehicles a day, roughly 34% of them trucks, projected to reach 5,046 by 2043. The structure is 100 ft (30.5 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 1
CrossesWhites Creek
Location2.5 MI NW of Wallace
RouteU.S. Route 1
Coordinates34.75577, -79.88334
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width37 ft (11.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic5,046 by 2043
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$242,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 over Whites Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1954.

What condition is US 1 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 2024.

How much traffic does US 1 over Whites Creek carry?

About 2,900 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is US 1 over Whites Creek?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 37 ft wide.

Who owns US 1 over Whites Creek?

It is owned by the State Highway Agency.