US Bridges

S-16-115 over Trib to Black CR

Good

Darlington County, South Carolina · 4 MI E Hartsville · Structure no. 000000000010341

Built
2020
5 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

S-16-115 over Trib to Black CR is a prestressed concrete slab carrying S-16-115 over Trib to Black CR in Darlington County, South Carolina. It was built in 2020, so it is 5 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 500 vehicles a day, roughly 7% of them trucks, projected to reach 730 by 2043. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-16-115
CrossesTrib to Black CR
Location4 MI E Hartsville
RouteState Highway 115
Coordinates34.43833, -80.00694
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.6 US tons
Inventory rating57.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.3 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 traffic500 (2023)
Projected traffic730 by 2043
Trucks7%
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 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-16-115 over Trib to Black CR built?

It was built in 2020, making it 5 years old in 2025.

What condition is S-16-115 over Trib to Black CR 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 January 2024.

How much traffic does S-16-115 over Trib to Black CR carry?

About 500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-16-115 over Trib to Black CR?

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

Who owns S-16-115 over Trib to Black CR?

It is owned by the State Highway Agency.