US Bridges

S-24-166 over Ninety Six Creek

Good

Greenwood County, South Carolina · 6.2MI SE Ninety Six · Structure no. 000000000002369

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
200
2023 count
Owner
State
State Highway Agency

About this bridge

S-24-166 over Ninety Six Creek is a prestressed concrete slab carrying S-24-166 over Ninety Six Creek in Greenwood County, South Carolina. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 6% of them trucks, projected to reach 292 by 2043. The structure is 100 ft (30.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-24-166
CrossesNinety Six Creek
Location6.2MI SE Ninety Six
RouteState Highway 166
Coordinates34.09116, -81.98855
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic292 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-24-166 over Ninety Six Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is S-24-166 over Ninety Six Creek 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 March 2023.

How much traffic does S-24-166 over Ninety Six Creek carry?

About 200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-24-166 over Ninety Six Creek?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns S-24-166 over Ninety Six Creek?

It is owned by the State Highway Agency.