US Bridges

S-30-36 over Walnut Creek

Good

Laurens County, South Carolina · 11.3 MI SW Laurens · Structure no. 000000000009231

Built
1997
28 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-30-36 over Walnut Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying S-30-36 over Walnut Creek in Laurens County, South Carolina. It was built in 1997, so it is 28 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 750 vehicles a day, roughly 10% of them trucks, projected to reach 1,095 by 2043. The structure is 135 ft (41.1 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-30-36
CrossesWalnut Creek
Location11.3 MI SW Laurens
RouteState Highway 36
Coordinates34.40184, -82.17211
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length135 ft (41.1 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,095 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-30-36 over Walnut Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-30-36 over Walnut 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 April 2023.

How much traffic does S-30-36 over Walnut Creek carry?

About 750 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-30-36 over Walnut Creek?

The structure is 135 ft (41.1 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns S-30-36 over Walnut Creek?

It is owned by the State Highway Agency.