US Bridges

S-42-64 over North Tyger River

Good

Spartanburg County, South Carolina · 3.0 MI SW Spartanburg · Structure no. 000000000001141

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
360 ft
3 main spans
Daily traffic
6,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-64 over North Tyger River is a prestressed concrete continuous stringer/multi-beam or girder carrying S-42-64 over North Tyger River in Spartanburg County, South Carolina. It was built in 2015, so it is 10 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 6,300 vehicles a day, roughly 3% of them trucks, projected to reach 9,450 by 2043. The structure is 360 ft (109.7 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-42-64
CrossesNorth Tyger River
Location3.0 MI SW Spartanburg
RouteState Highway 64
Coordinates34.88421, -82.01094
Functional classUrban 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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.8 US tons
Inventory rating15.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length360 ft (109.7 m)
Longest span130 ft (39.6 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic9,450 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-42-64 over North Tyger River built?

It was built in 2015, making it 10 years old in 2025.

What condition is S-42-64 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-42-64 over North Tyger River carry?

About 6,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-42-64 over North Tyger River?

The structure is 360 ft (109.7 m) long with a longest span of 130 ft (39.6 m) and a deck 37 ft wide.

Who owns S-42-64 over North Tyger River?

It is owned by the State Highway Agency.