US Bridges

S-30-42 over Burnt Mill Creek

Good

Laurens County, South Carolina · 4.7 MI SE Laurens · Structure no. 000000000008270

Built
1989
36 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
120 ft
4 main spans
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

S-30-42 over Burnt Mill Creek is a prestressed concrete slab carrying S-30-42 over Burnt Mill Creek in Laurens County, South Carolina. It was built in 1989, so it is 36 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 365 by 2043. The structure is 120 ft (36.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-30-42
CrossesBurnt Mill Creek
Location4.7 MI SE Laurens
RouteState Highway 42
Coordinates34.43658, -81.9821
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic365 by 2043
Trucks5%
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 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-30-42 over Burnt Mill Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is S-30-42 over Burnt Mill 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 2023.

How much traffic does S-30-42 over Burnt Mill Creek carry?

About 250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-30-42 over Burnt Mill Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns S-30-42 over Burnt Mill Creek?

It is owned by the State Highway Agency.