US Bridges

Sc 602 over Six Mile Creek

Good

Lexington County, South Carolina · 2 MI W of Cayce · Structure no. 000000000001528

Built
1948
77 years old, rebuilt 2004
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
13,600
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 602 over Six Mile Creek is a concrete culvert carrying Sc 602 over Six Mile Creek in Lexington County, South Carolina. It was built in 1948 and reconstructed in 2004, so it is 77 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,600 vehicles a day, roughly 3% of them trucks, projected to reach 18,360 by 2043. The structure is 32 ft (9.8 m) long and 87 ft wide.

CarriesSc 602
CrossesSix Mile Creek
Location2 MI W of Cayce
RouteState Highway 602
Coordinates33.96171, -81.10192
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width87 ft (26.5 m)
Roadway width74 ft (22.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,600 (2023)
Projected traffic18,360 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 602 over Six Mile Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2004.

What condition is Sc 602 over Six Mile 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 October 2023.

How much traffic does Sc 602 over Six Mile Creek carry?

About 13,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 602 over Six Mile Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 87 ft wide.

Who owns Sc 602 over Six Mile Creek?

It is owned by the State Highway Agency.