US Bridges

C-42-865 over Trib to Big Shoally

Good

Spartanburg County, South Carolina · 7.7 MI E of Inman · Structure no. 000000000009936

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
375
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-865 over Trib to Big Shoally is a prestressed concrete slab carrying C-42-865 over Trib to Big Shoally in Spartanburg County, South Carolina. It was built in 2009, so it is 16 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 375 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2043. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC-42-865
CrossesTrib to Big Shoally
Location7.7 MI E of Inman
RouteCounty Highway 865
Coordinates35.0468, -81.96949
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to 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 width29 ft (8.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic480 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-42-865 over Trib to Big Shoally built?

It was built in 2009, making it 16 years old in 2025.

What condition is C-42-865 over Trib to Big Shoally 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 November 2023.

How much traffic does C-42-865 over Trib to Big Shoally carry?

About 375 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-42-865 over Trib to Big Shoally?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns C-42-865 over Trib to Big Shoally?

It is owned by the County Highway Agency.