US Bridges

Sc 20 over Co. Rd. (L-5084 MP 0.20)

Good

Greenville County, South Carolina · Piedmont · Structure no. 000000000001877

Built
1952
73 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 20 over Co. Rd. (L-5084 MP 0.20) is a concrete continuous slab carrying Sc 20 over Co. Rd. (L-5084 MP 0.20) in Greenville County, South Carolina. It was built in 1952, so it is 73 years old, older 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,350 by 2043. The structure is 74 ft (22.6 m) long and 34 ft wide.

CarriesSc 20
CrossesCo. Rd. (L-5084 MP 0.20)
LocationPiedmont
RouteState Highway 20
Coordinates34.70762, -82.45401
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length74 ft (22.6 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic6,350 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$225,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 20 over Co. Rd. (L-5084 MP 0.20) built?

It was built in 1952, making it 73 years old in 2025.

What condition is Sc 20 over Co. Rd. (L-5084 MP 0.20) 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 August 2024.

How much traffic does Sc 20 over Co. Rd. (L-5084 MP 0.20) carry?

About 5,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sc 20 over Co. Rd. (L-5084 MP 0.20)?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns Sc 20 over Co. Rd. (L-5084 MP 0.20)?

It is owned by the State Highway Agency.