US Bridges

C-23-79 over Reedy River

Fair

Greenville County, South Carolina · City Greenv-Westfield ST · Structure no. 000000000002970

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
68 ft
5 main spans
Daily traffic
10,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

C-23-79 over Reedy River is a concrete culvert carrying C-23-79 over Reedy River in Greenville County, South Carolina. It was built in 1959, so it is 66 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 6 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 10,200 vehicles a day, roughly 3% of them trucks, projected to reach 15,606 by 2043. The structure is 68 ft (20.7 m) long and 63 ft wide.

CarriesC-23-79
CrossesReedy River
LocationCity Greenv-Westfield ST
RouteCounty Highway 79
Coordinates34.84822, -82.40702
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length68 ft (20.7 m)
Longest span12 ft (3.7 m)
Deck width63 ft (19.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2023)
Projected traffic15,606 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$302,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-23-79 over Reedy River built?

It was built in 1959, making it 66 years old in 2025.

What condition is C-23-79 over Reedy 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 July 2024.

How much traffic does C-23-79 over Reedy River carry?

About 10,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is C-23-79 over Reedy River?

The structure is 68 ft (20.7 m) long with a longest span of 12 ft (3.7 m) and a deck 63 ft wide.

Who owns C-23-79 over Reedy River?

It is owned by the City or Municipal Highway Agency.