US Bridges

Sc 177 over Whiles Creek

Fair

Marlboro County, South Carolina · 6 MI NE of Wallace · Structure no. 000000000000952

Built
1939
86 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 177 over Whiles Creek is a concrete continuous culvert carrying Sc 177 over Whiles Creek in Marlboro County, South Carolina. It was built in 1939, so it is 86 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 2,700 vehicles a day, roughly 18% of them trucks, projected to reach 4,293 by 2043. The structure is 32 ft (9.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 177
CrossesWhiles Creek
Location6 MI NE of Wallace
RouteState Highway 177
Coordinates34.78944, -79.78806
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic4,293 by 2043
Trucks18%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 177 over Whiles Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is Sc 177 over Whiles 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 November 2024.

How much traffic does Sc 177 over Whiles Creek carry?

About 2,700 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Sc 177 over Whiles Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns Sc 177 over Whiles Creek?

It is owned by the State Highway Agency.