US Bridges

S-30-340 over Mountain Creek

Good

Laurens County, South Carolina · 2.1 MI SW of Gray Court · Structure no. 000000000010564

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Other
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-30-340 over Mountain Creek is a prestressed concrete other carrying S-30-340 over Mountain Creek in Laurens County, South Carolina. It was built in 2022, so it is 3 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-30-340
CrossesMountain Creek
Location2.1 MI SW of Gray Court
RouteState Highway 340
Coordinates34.58927, -82.14173
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-30-340 over Mountain Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is S-30-340 over Mountain Creek 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 May 2024.

How much traffic does S-30-340 over Mountain Creek carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-30-340 over Mountain Creek?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns S-30-340 over Mountain Creek?

It is owned by the State Highway Agency.