US Bridges

Sc 20 over Southern Rr.

GoodPosted for load

Greenville County, South Carolina · 8 MI SW of Greenville · Structure no. 000000000001714

Built
1950
75 years old, rebuilt 2020
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 20 over Southern Rr. is a steel stringer/multi-beam or girder carrying Sc 20 over Southern Rr. in Greenville County, South Carolina. It was built in 1950 and reconstructed in 2020, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,350 by 2043. The structure is 180 ft (54.9 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesSc 20
CrossesSouthern Rr.
Location8 MI SW of Greenville
RouteState Highway 20
CountyGreenville County
StateSouth Carolina
Coordinates34.74022, -82.4398
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating83.9 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 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 and pedestrian
CrossesRailroad
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 20 over Southern Rr. built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2020.

What condition is Sc 20 over Southern Rr. 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 Southern Rr. carry?

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

How long is Sc 20 over Southern Rr.?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns Sc 20 over Southern Rr.?

It is owned by the State Highway Agency.