US Bridges

S-23-992 over South Tyger River

FairPosted for load

Greenville County, South Carolina · 5.5 MI NW Greer · Structure no. 000000000007122

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
180 ft
6 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-992 over South Tyger River is a concrete slab carrying S-23-992 over South Tyger River in Greenville County, South Carolina. It was built in 1978, so it is 47 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 4,096 by 2043. The structure is 180 ft (54.9 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-23-992
CrossesSouth Tyger River
Location5.5 MI NW Greer
RouteState Highway 992
Coordinates34.99215, -82.29259
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,096 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-992 over South Tyger River built?

It was built in 1978, making it 47 years old in 2025.

What condition is S-23-992 over South Tyger River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does S-23-992 over South Tyger River carry?

About 3,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-23-992 over South Tyger River?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns S-23-992 over South Tyger River?

It is owned by the State Highway Agency.