US Bridges

Sc 118 over Unnamed Stream

Fair

Aiken County, South Carolina · 0.1 MI W of Sc 421 · Structure no. 000000000009728

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
18,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 118 over Unnamed Stream is a concrete culvert carrying Sc 118 over Unnamed Stream in Aiken County, South Carolina. It was built in 1960, so it is 65 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 18,900 vehicles a day, roughly 5% of them trucks, projected to reach 19,467 by 2043. The structure is 21 ft (6.4 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSc 118
CrossesUnnamed Stream
Location0.1 MI W of Sc 421
RouteState Highway 118
CountyAiken County
StateSouth Carolina
Coordinates33.55697, -81.77873
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width90 ft (27.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,900 (2023)
Projected traffic19,467 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 118 over Unnamed Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is Sc 118 over Unnamed Stream 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 February 2024.

How much traffic does Sc 118 over Unnamed Stream carry?

About 18,900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sc 118 over Unnamed Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 90 ft wide.

Who owns Sc 118 over Unnamed Stream?

It is owned by the State Highway Agency.