US Bridges

Sc 12 Con over Sc 12

Good

Lexington County, South Carolina · City of West of Columbia · Structure no. 000000000007002

Built
1977
48 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
222 ft
4 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 12 Con over Sc 12 is a steel stringer/multi-beam or girder carrying Sc 12 Con over Sc 12 in Lexington County, South Carolina. It was built in 1977, so it is 48 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 2,800 vehicles a day, roughly 6% of them trucks, projected to reach 4,508 by 2043. The structure is 222 ft (67.7 m) long and 76 ft wide.

CarriesSc 12 Con
CrossesSc 12
LocationCity of West of Columbia
RouteState Highway 12
Coordinates33.99326, -81.06806
Functional classUrban Collector

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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span81 ft (24.7 m)
Deck width76 ft (23.3 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic4,508 by 2043
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 12 Con over Sc 12 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Sc 12 Con over Sc 12 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 Sc 12 Con over Sc 12 carry?

About 2,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 12 Con over Sc 12?

The structure is 222 ft (67.7 m) long with a longest span of 81 ft (24.7 m) and a deck 76 ft wide.

Who owns Sc 12 Con over Sc 12?

It is owned by the State Highway Agency.