US Bridges

C-4-2142 over I-85 Overpass

Good

Anderson County, South Carolina · 15.5 MI NE of Anderson · Structure no. 000000000008133

Built
1988
37 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
226 ft
4 main spans
Daily traffic
175
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-2142 over I-85 Overpass is a steel continuous stringer/multi-beam or girder carrying C-4-2142 over I-85 Overpass in Anderson County, South Carolina. It was built in 1988, so it is 37 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, roughly 5% of them trucks, projected to reach 224 by 2043. The structure is 226 ft (68.9 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC-4-2142
CrossesI-85 Overpass
Location15.5 MI NE of Anderson
RouteCounty Highway 2142
Coordinates34.69902, -82.50249
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span85 ft (25.8 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic224 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was C-4-2142 over I-85 Overpass built?

It was built in 1988, making it 37 years old in 2025.

What condition is C-4-2142 over I-85 Overpass in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does C-4-2142 over I-85 Overpass carry?

About 175 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-4-2142 over I-85 Overpass?

The structure is 226 ft (68.9 m) long with a longest span of 85 ft (25.8 m) and a deck 37 ft wide.

Who owns C-4-2142 over I-85 Overpass?

It is owned by the County Highway Agency.