US Bridges

S-6-84 over Little Salkehatchie Ck

Good

Barnwell County, South Carolina · 3.2 MI SE Blackville · Structure no. 000000000009126

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

S-6-84 over Little Salkehatchie Ck is a concrete slab carrying S-6-84 over Little Salkehatchie Ck in Barnwell County, South Carolina. It was built in 1997, so it is 28 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 50 vehicles a day, projected to reach 64 by 2043. The structure is 45 ft (13.7 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesS-6-84
CrossesLittle Salkehatchie Ck
Location3.2 MI SE Blackville
RouteState Highway 84
Coordinates33.32096, -81.23415
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than 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 rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic64 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-6-84 over Little Salkehatchie Ck built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-6-84 over Little Salkehatchie Ck 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 June 2023.

How much traffic does S-6-84 over Little Salkehatchie Ck carry?

About 50 vehicles per day (2023 count).

How long is S-6-84 over Little Salkehatchie Ck?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns S-6-84 over Little Salkehatchie Ck?

It is owned by the State Highway Agency.