US Bridges

C-23-728 over Mountain Creek

Good

Greenville County, South Carolina · 12.2 MI SW Fountain Inn · Structure no. 000000000007689

Built
1983
42 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
275
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-728 over Mountain Creek is a prestressed concrete slab carrying C-23-728 over Mountain Creek in Greenville County, South Carolina. It was built in 1983, so it is 42 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 275 vehicles a day, roughly 7% of them trucks, projected to reach 382 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC-23-728
CrossesMountain Creek
Location12.2 MI SW Fountain Inn
RouteCounty Highway 728
Coordinates34.60421, -82.38088
Functional classRural Minor 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic382 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$86,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-23-728 over Mountain Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is C-23-728 over Mountain 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 July 2024.

How much traffic does C-23-728 over Mountain Creek carry?

About 275 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is C-23-728 over Mountain Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns C-23-728 over Mountain Creek?

It is owned by the County Highway Agency.