US Bridges

S-42-231 over North Tyger River

Good

Spartanburg County, South Carolina · 6.0 MI NE Woodruff · Structure no. 000000000007300

Built
1979
46 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
3 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-231 over North Tyger River is a prestressed concrete stringer/multi-beam or girder carrying S-42-231 over North Tyger River in Spartanburg County, South Carolina. It was built in 1979, so it is 46 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 275 vehicles a day, roughly 12% of them trucks, projected to reach 787 by 2043. The structure is 195 ft (59.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-42-231
CrossesNorth Tyger River
Location6.0 MI NE Woodruff
RouteState Highway 231
Coordinates34.78846, -81.95209
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating15.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic787 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S-42-231 over North Tyger River built?

It was built in 1979, making it 46 years old in 2025.

What condition is S-42-231 over 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 September 2023.

How much traffic does S-42-231 over North Tyger River carry?

About 275 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-42-231 over North Tyger River?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns S-42-231 over North Tyger River?

It is owned by the State Highway Agency.