US Bridges

Sc 20 over Saluda River

Poor

Greenville County, South Carolina · 15.4 MI W. Fountain Inn · Structure no. 000000000000414

Built
1930
95 years old, rebuilt 1974
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
330 ft
9 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 20 over Saluda River is a concrete tee beam carrying Sc 20 over Saluda River in Greenville County, South Carolina. It was built in 1930 and reconstructed in 1974, so it is 95 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 9,000 by 2043. The structure is 330 ft (100.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 20
CrossesSaluda River
Location15.4 MI W. Fountain Inn
RouteState Highway 20
Coordinates34.65552, -82.46186
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length330 ft (100.6 m)
Longest span50 ft (15.2 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic9,000 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$515,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 20 over Saluda River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1974.

What condition is Sc 20 over Saluda River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Sc 20 over Saluda River carry?

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

How long is Sc 20 over Saluda River?

The structure is 330 ft (100.6 m) long with a longest span of 50 ft (15.2 m) and a deck 48 ft wide.

Who owns Sc 20 over Saluda River?

It is owned by the State Highway Agency.