US Bridges

C-23-543 over Graze Creek

Good

Greenville County, South Carolina · 6.9 MI N of Fountain Inn · Structure no. 000000000009961

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-543 over Graze Creek is a prestressed concrete slab carrying C-23-543 over Graze Creek in Greenville County, South Carolina. It was built in 2004, so it is 21 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 36 ft (11 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesC-23-543
CrossesGraze Creek
Location6.9 MI N of Fountain Inn
RouteCounty Highway 543
Coordinates34.78696, -82.22011
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-23-543 over Graze Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is C-23-543 over Graze 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-23-543 over Graze Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-23-543 over Graze Creek?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 36 ft wide.

Who owns C-23-543 over Graze Creek?

It is owned by the County Highway Agency.