US Bridges

S-30-377 over South Rabon Creek

Good

Laurens County, South Carolina · 6.0 MI W Gray Court · Structure no. 000000000004164

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

S-30-377 over South Rabon Creek is a prestressed concrete slab carrying S-30-377 over South Rabon Creek in Laurens County, South Carolina. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2043. The structure is 130 ft (39.6 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-30-377
CrossesSouth Rabon Creek
Location6.0 MI W Gray Court
RouteState Highway 377
Coordinates34.59479, -82.21517
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length130 ft (39.6 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic480 by 2043
Trucks5%
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-30-377 over South Rabon Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is S-30-377 over South Rabon 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-30-377 over South Rabon Creek carry?

About 375 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-30-377 over South Rabon Creek?

The structure is 130 ft (39.6 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-30-377 over South Rabon Creek?

It is owned by the State Highway Agency.