US Bridges

S-23-166 over Enoree River

Good

Greenville County, South Carolina · 3.6MI SW Greer · Structure no. 000000000005068

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
2 main spans
Daily traffic
22,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-166 over Enoree River is a steel continuous stringer/multi-beam or girder carrying S-23-166 over Enoree River in Greenville County, South Carolina. It was built in 2005, so it is 20 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 22,900 vehicles a day, roughly 2% of them trucks, projected to reach 29,083 by 2043. The structure is 290 ft (88.4 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-23-166
CrossesEnoree River
Location3.6MI SW Greer
RouteState Highway 166
Coordinates34.90625, -82.27584
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length290 ft (88.4 m)
Longest span145 ft (44.2 m)
Deck width47 ft (14.4 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,900 (2023)
Projected traffic29,083 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-23-166 over Enoree River built?

It was built in 2005, making it 20 years old in 2025.

What condition is S-23-166 over Enoree River 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 June 2023.

How much traffic does S-23-166 over Enoree River carry?

About 22,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-23-166 over Enoree River?

The structure is 290 ft (88.4 m) long with a longest span of 145 ft (44.2 m) and a deck 47 ft wide.

Who owns S-23-166 over Enoree River?

It is owned by the State Highway Agency.