US Bridges

L-42-581 over Lawson Fork Creek

Good

Spartanburg County, South Carolina · 5 MI SE of Inman · Structure no. 000000000010882

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

L-42-581 over Lawson Fork Creek is a prestressed concrete slab carrying L-42-581 over Lawson Fork Creek in Spartanburg County, South Carolina. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 100 ft (30.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesL-42-581
CrossesLawson Fork Creek
Location5 MI SE of Inman
RouteCounty Highway 581
Coordinates35.02039, -82.0078
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 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

OwnerCounty Highway Agency
Maintained byCounty 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 L-42-581 over Lawson Fork Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is L-42-581 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 November 2024.

How much traffic does L-42-581 over Lawson Fork Creek carry?

About 225 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is L-42-581 over Lawson Fork Creek?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns L-42-581 over Lawson Fork Creek?

It is owned by the County Highway Agency.