US Bridges

C-4-568 over 6 & 20 CR

FairPosted for load

Anderson County, South Carolina · 8.2 MI NE of Anderson · Structure no. 000000000003586

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-568 over 6 & 20 CR is a steel stringer/multi-beam or girder carrying C-4-568 over 6 & 20 CR in Anderson County, South Carolina. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 67 ft (20.4 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesC-4-568
Crosses6 & 20 CR
Location8.2 MI NE of Anderson
RouteCounty Highway 1174
CountyAnderson County
StateSouth Carolina
Coordinates34.62183, -82.63956
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.3 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length67 ft (20.4 m)
Longest span67 ft (20.4 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$95,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was C-4-568 over 6 & 20 CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is C-4-568 over 6 & 20 CR 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 2024.

How much traffic does C-4-568 over 6 & 20 CR carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-4-568 over 6 & 20 CR?

The structure is 67 ft (20.4 m) long with a longest span of 67 ft (20.4 m) and a deck 29 ft wide.

Who owns C-4-568 over 6 & 20 CR?

It is owned by the County Highway Agency.