US Bridges

Sc 146 over Laurel Creek

Good

Greenville County, South Carolina · 3.5 MI E of Greenville · Structure no. 000000000002730

Built
1939
86 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
16,100
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 146 over Laurel Creek is a concrete culvert carrying Sc 146 over Laurel Creek in Greenville County, South Carolina. It was built in 1939, so it is 86 years old, older 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 16,100 vehicles a day, roughly 3% of them trucks, projected to reach 20,447 by 2043. The structure is 32 ft (9.8 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 146
CrossesLaurel Creek
Location3.5 MI E of Greenville
RouteState Highway 146
Coordinates34.83234, -82.34373
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width106 ft (32.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2023)
Projected traffic20,447 by 2043
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 146 over Laurel Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is Sc 146 over Laurel 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 2024.

How much traffic does Sc 146 over Laurel Creek carry?

About 16,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 146 over Laurel Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 106 ft wide.

Who owns Sc 146 over Laurel Creek?

It is owned by the State Highway Agency.