US Bridges

C-4-169 over 6 & 20 CR

Fair

Anderson County, South Carolina · 12.1 MI NE of Anderson · Structure no. 000000000003809

Built
1962
63 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-169 over 6 & 20 CR is a steel stringer/multi-beam or girder carrying C-4-169 over 6 & 20 CR in Anderson County, South Carolina. It was built in 1962, so it is 63 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesC-4-169
Crosses6 & 20 CR
Location12.1 MI NE of Anderson
RouteCounty Highway 169
CountyAnderson County
StateSouth Carolina
Coordinates34.67607, -82.60526
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic320 by 2043
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 C-4-169 over 6 & 20 CR built?

It was built in 1962, making it 63 years old in 2025.

What condition is C-4-169 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-4-169 over 6 & 20 CR carry?

About 250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-4-169 over 6 & 20 CR?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns C-4-169 over 6 & 20 CR?

It is owned by the County Highway Agency.