US Bridges

C-42-99 over Trib to Little Buck CR

FairPosted for load

Spartanburg County, South Carolina · 1.4 MI SW of Chesnee · Structure no. 000000000007843

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-99 over Trib to Little Buck CR is a prestressed concrete channel beam carrying C-42-99 over Trib to Little Buck CR in Spartanburg County, South Carolina. It was built in 1984, so it is 41 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-99
CrossesTrib to Little Buck CR
Location1.4 MI SW of Chesnee
RouteCounty Highway 99
Coordinates35.13947, -81.88059
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating22.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+1 approach)
Design loadH 15
Structure length45 ft (13.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 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 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-42-99 over Trib to Little Buck CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is C-42-99 over Trib to Little Buck CR 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 October 2023.

How much traffic does C-42-99 over Trib to Little Buck CR carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-42-99 over Trib to Little Buck CR?

The structure is 45 ft (13.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns C-42-99 over Trib to Little Buck CR?

It is owned by the County Highway Agency.