US Bridges

C-42-700 over Trib-N Tyger River

Good

Spartanburg County, South Carolina · 3.0 MI NW of Sptbg · Structure no. 000000000003535

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-700 over Trib-N Tyger River is a prestressed concrete slab carrying C-42-700 over Trib-N Tyger River in Spartanburg County, South Carolina. It was built in 2001, so it is 24 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 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-700
CrossesTrib-N Tyger River
Location3.0 MI NW of Sptbg
RouteCounty Highway 700
Coordinates34.96295, -81.9816
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 evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating31.1 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 width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-42-700 over Trib-N Tyger River built?

It was built in 2001, making it 24 years old in 2025.

What condition is C-42-700 over Trib-N 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 November 2023.

How much traffic does C-42-700 over Trib-N Tyger River carry?

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

How long is C-42-700 over Trib-N Tyger River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns C-42-700 over Trib-N Tyger River?

It is owned by the County Highway Agency.