US Bridges

S-42-86 over South Tyger River

Good

Spartanburg County, South Carolina · 5.0 MI NE Woodruff · Structure no. 000000000009459

Built
1999
26 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
325
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-86 over South Tyger River is a prestressed concrete stringer/multi-beam or girder carrying S-42-86 over South Tyger River in Spartanburg County, South Carolina. It was built in 1999, so it is 26 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 325 vehicles a day, roughly 10% of them trucks, projected to reach 744 by 2043. The structure is 201 ft (61.3 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-42-86
CrossesSouth Tyger River
Location5.0 MI NE Woodruff
RouteState Highway 86
Coordinates34.78277, -81.97179
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating78.6 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span67 ft (20.4 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2023)
Projected traffic744 by 2043
Trucks10%
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

OwnerState Highway Agency
Maintained byState 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 S-42-86 over South Tyger River built?

It was built in 1999, making it 26 years old in 2025.

What condition is S-42-86 over South 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-42-86 over South Tyger River carry?

About 325 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-42-86 over South Tyger River?

The structure is 201 ft (61.3 m) long with a longest span of 67 ft (20.4 m) and a deck 37 ft wide.

Who owns S-42-86 over South Tyger River?

It is owned by the State Highway Agency.