US Bridges

S-16-50 over Trib to Black Creek

Fair

Darlington County, South Carolina · 3MI N Hartsville · Structure no. 000000000005502

Built
1969
56 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

S-16-50 over Trib to Black Creek is a concrete slab carrying S-16-50 over Trib to Black Creek in Darlington County, South Carolina. It was built in 1969, so it is 56 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 375 vehicles a day, roughly 11% of them trucks, projected to reach 480 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-16-50
CrossesTrib to Black Creek
Location3MI N Hartsville
RouteState Highway 50
Coordinates34.42222, -80.01111
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic480 by 2043
Trucks11%
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-16-50 over Trib to Black Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is S-16-50 over Trib to Black Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does S-16-50 over Trib to Black Creek carry?

About 375 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is S-16-50 over Trib to Black Creek?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-16-50 over Trib to Black Creek?

It is owned by the State Highway Agency.