US Bridges

C-42-794 over North Tiger River

Good

Spartanburg County, South Carolina · 3.5 MI NW of Lyman · Structure no. 000000000008207

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-794 over North Tiger River is a prestressed concrete slab carrying C-42-794 over North Tiger River in Spartanburg County, South Carolina. It was built in 1988, so it is 37 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 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-794
CrossesNorth Tiger River
Location3.5 MI NW of Lyman
RouteCounty Highway 794
Coordinates34.99399, -82.14607
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 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-42-794 over North Tiger River built?

It was built in 1988, making it 37 years old in 2025.

What condition is C-42-794 over North Tiger 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-42-794 over North Tiger River carry?

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

How long is C-42-794 over North Tiger River?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns C-42-794 over North Tiger River?

It is owned by the County Highway Agency.