US Bridges

Sc 51 over Six Mile Creek

Good

Georgetown County, South Carolina · 4 MI N of Georgetown · Structure no. 000000000008258

Built
1989
36 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
120 ft
4 main spans
Daily traffic
6,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 51 over Six Mile Creek is a concrete slab carrying Sc 51 over Six Mile Creek in Georgetown County, South Carolina. It was built in 1989, so it is 36 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 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 6,800 vehicles a day, roughly 12% of them trucks, projected to reach 6,868 by 2043. The structure is 120 ft (36.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 51
CrossesSix Mile Creek
Location4 MI N of Georgetown
RouteState Highway 51
Coordinates33.46038, -79.31543
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2023)
Projected traffic6,868 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sc 51 over Six Mile Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sc 51 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 April 2024.

How much traffic does Sc 51 over Six Mile Creek carry?

About 6,800 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Sc 51 over Six Mile Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 48 ft wide.

Who owns Sc 51 over Six Mile Creek?

It is owned by the State Highway Agency.