US Bridges

Sc 18 over Cherokee Creek

Fair

Cherokee County, South Carolina · 3.0MI NE of Gaffney · Structure no. 000000000002676

Built
1958
67 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
120 ft
4 main spans
Daily traffic
8,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 18 over Cherokee Creek is a concrete tee beam carrying Sc 18 over Cherokee Creek in Cherokee County, South Carolina. It was built in 1958, so it is 67 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 8,500 vehicles a day, roughly 10% of them trucks, projected to reach 11,985 by 2043. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSc 18
CrossesCherokee Creek
Location3.0MI NE of Gaffney
RouteState Highway 18
Coordinates35.10642, -81.61251
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2023)
Projected traffic11,985 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$449,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 18 over Cherokee Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Sc 18 over Cherokee 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 2023.

How much traffic does Sc 18 over Cherokee Creek carry?

About 8,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sc 18 over Cherokee Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Sc 18 over Cherokee Creek?

It is owned by the State Highway Agency.