US Bridges

S-23-173 over Enoree River

Fair

Greenville County, South Carolina · 3MI NE Travelers Rest · Structure no. 000000000002361

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-173 over Enoree River is a concrete culvert carrying S-23-173 over Enoree River in Greenville County, South Carolina. It was built in 1956, so it is 69 years old, older 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.

It carries about 2,400 vehicles a day, roughly 5% of them trucks, projected to reach 3,672 by 2043. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-173
CrossesEnoree River
Location3MI NE Travelers Rest
RouteState Highway 173
Coordinates34.99417, -82.39389
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic3,672 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-23-173 over Enoree River built?

It was built in 1956, making it 69 years old in 2025.

What condition is S-23-173 over Enoree 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 May 2023.

How much traffic does S-23-173 over Enoree River carry?

About 2,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-23-173 over Enoree River?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns S-23-173 over Enoree River?

It is owned by the State Highway Agency.