US Bridges

S-42-30 over Lawson Fork Creek

Good

Spartanburg County, South Carolina · 5.0 MI E Spartanburg · Structure no. 000000000007027

Built
1977
48 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
1 main span
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-30 over Lawson Fork Creek is a prestressed concrete stringer/multi-beam or girder carrying S-42-30 over Lawson Fork Creek in Spartanburg County, South Carolina. It was built in 1977, so it is 48 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 3,600 vehicles a day, roughly 5% of them trucks, projected to reach 5,400 by 2043. The structure is 250 ft (76.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-42-30
CrossesLawson Fork Creek
Location5.0 MI E Spartanburg
RouteState Highway 30
Coordinates34.94175, -81.84058
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,400 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-42-30 over Lawson Fork Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is S-42-30 over Lawson Fork 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 September 2023.

How much traffic does S-42-30 over Lawson Fork Creek carry?

About 3,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-42-30 over Lawson Fork Creek?

The structure is 250 ft (76.2 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns S-42-30 over Lawson Fork Creek?

It is owned by the State Highway Agency.