US Bridges

S-6-38 over Davis Mill Branch

Good

Barnwell County, South Carolina · 5 MI NE Blackville · Structure no. 000000000002474

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

S-6-38 over Davis Mill Branch is a prestressed concrete slab carrying S-6-38 over Davis Mill Branch in Barnwell County, South Carolina. It was built in 2006, so it is 19 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 250 vehicles a day, roughly 12% of them trucks, projected to reach 365 by 2043. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-6-38
CrossesDavis Mill Branch
Location5 MI NE Blackville
RouteState Highway 38
Coordinates33.41948, -81.23006
Functional classRural Major 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic365 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-6-38 over Davis Mill Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is S-6-38 over Davis Mill Branch 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-6-38 over Davis Mill Branch carry?

About 250 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-6-38 over Davis Mill Branch?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns S-6-38 over Davis Mill Branch?

It is owned by the State Highway Agency.