US Bridges

C-42-770 over Trib to Mid Tyger Rv

Good

Spartanburg County, South Carolina · 6.0 MI W Inman · Structure no. 000000000008040

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-770 over Trib to Mid Tyger Rv is a prestressed concrete slab carrying C-42-770 over Trib to Mid Tyger Rv in Spartanburg County, South Carolina. It was built in 1986, so it is 39 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 7 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 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-770
CrossesTrib to Mid Tyger Rv
Location6.0 MI W Inman
RouteCounty Highway 770
Coordinates35.03853, -82.19558
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.2 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 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-42-770 over Trib to Mid Tyger Rv built?

It was built in 1986, making it 39 years old in 2025.

What condition is C-42-770 over Trib to Mid Tyger Rv 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-42-770 over Trib to Mid Tyger Rv carry?

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

How long is C-42-770 over Trib to Mid Tyger Rv?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns C-42-770 over Trib to Mid Tyger Rv?

It is owned by the County Highway Agency.