US Bridges

Sc 174/HIGHWAY 174 over Store Creek

Fair

Charleston County, South Carolina · 4 MI N of Edisto Beach · Structure no. 000000000010179

Built
2018
7 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
180 ft
6 main spans
Daily traffic
5,400
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 174/HIGHWAY 174 over Store Creek is a concrete continuous slab carrying Sc 174/HIGHWAY 174 over Store Creek in Charleston County, South Carolina. It was built in 2018, so it is 7 years old, younger 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 5,400 vehicles a day, roughly 7% of them trucks, projected to reach 8,586 by 2043. The structure is 180 ft (54.9 m) long and 47 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSc 174/HIGHWAY 174
CrossesStore Creek
Location4 MI N of Edisto Beach
RouteState Highway 174
CountyCharleston County
StateSouth Carolina
Coordinates32.55875, -80.27986
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2023)
Projected traffic8,586 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 174/HIGHWAY 174 over Store Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Sc 174/HIGHWAY 174 over Store 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 June 2024.

How much traffic does Sc 174/HIGHWAY 174 over Store Creek carry?

About 5,400 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sc 174/HIGHWAY 174 over Store Creek?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 174/HIGHWAY 174 over Store Creek?

It is owned by the State Highway Agency.