US Bridges

C-42-666 over Trib Middle Tyger River

Good

Spartanburg County, South Carolina · 15 NW of Spartanburg · Structure no. 000000000009897

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-666 over Trib Middle Tyger River is a prestressed concrete slab carrying C-42-666 over Trib Middle Tyger River 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 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC-42-666
CrossesTrib Middle Tyger River
Location15 NW of Spartanburg
RouteCounty Highway 666
Coordinates35.02899, -82.19472
Functional classRural 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.2 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-42-666 over Trib Middle Tyger River built?

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

What condition is C-42-666 over Trib Middle Tyger River 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 October 2023.

How much traffic does C-42-666 over Trib Middle Tyger River carry?

About 225 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-42-666 over Trib Middle Tyger River?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns C-42-666 over Trib Middle Tyger River?

It is owned by the County Highway Agency.