US Bridges

C-23-1977 over Little Mountain Ck

Good

Greenville County, South Carolina · 5.9 MI NE Greenville · Structure no. 000000000005537

Built
2013
12 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,250
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-1977 over Little Mountain Ck is a prestressed concrete slab carrying C-23-1977 over Little Mountain Ck in Greenville County, South Carolina. It was built in 2013, so it is 12 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 1,250 vehicles a day, roughly 5% of them trucks, projected to reach 1,600 by 2043. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-23-1977
CrossesLittle Mountain Ck
Location5.9 MI NE Greenville
RouteCounty Highway 1977
Coordinates34.91915, -82.34412
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,600 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-23-1977 over Little Mountain Ck built?

It was built in 2013, making it 12 years old in 2025.

What condition is C-23-1977 over Little Mountain Ck 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 2024.

How much traffic does C-23-1977 over Little Mountain Ck carry?

About 1,250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-23-1977 over Little Mountain Ck?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns C-23-1977 over Little Mountain Ck?

It is owned by the County Highway Agency.