US Bridges

C-42-861 over Br North Tyger River

Good

Spartanburg County, South Carolina · 8.9 MI North of Greer · Structure no. 000000000010119

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
800
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-861 over Br North Tyger River is a prestressed concrete slab carrying C-42-861 over Br North Tyger River in Spartanburg County, South Carolina. It was built in 2017, so it is 8 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 800 vehicles a day, roughly 2% of them trucks, projected to reach 1,200 by 2043. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC-42-861
CrossesBr North Tyger River
Location8.9 MI North of Greer
RouteCounty Highway 861
Coordinates35.04107, -82.1588
Functional classRural Major Collector

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 evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,200 by 2043
Trucks2%
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-42-861 over Br North Tyger River built?

It was built in 2017, making it 8 years old in 2025.

What condition is C-42-861 over Br North 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-42-861 over Br North Tyger River carry?

About 800 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is C-42-861 over Br North Tyger River?

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

Who owns C-42-861 over Br North Tyger River?

It is owned by the County Highway Agency.