US Bridges

S-299 over Casey Creek

Good

Spartanburg County, South Carolina · 6 MI South of Chesnee · Structure no. 000000000010691

Built
2006
19 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-299 over Casey Creek is a prestressed concrete stringer/multi-beam or girder carrying S-299 over Casey Creek in Spartanburg County, South Carolina. It was built in 2006, so it is 19 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 704 by 2043. The structure is 60 ft (18.3 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-299
CrossesCasey Creek
Location6 MI South of Chesnee
RouteState Highway 299
Coordinates35.07479, -81.90629
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic704 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-299 over Casey Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is S-299 over Casey 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 September 2023.

How much traffic does S-299 over Casey Creek carry?

About 550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-299 over Casey Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns S-299 over Casey Creek?

It is owned by the State Highway Agency.