US Bridges

C-26-1296 over Trib to Mitchell Swamp

Fair

Horry County, South Carolina · 4.0 MI E of Green Sea · Structure no. 000000000010905

Built
2023
2 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

C-26-1296 over Trib to Mitchell Swamp is a concrete culvert carrying C-26-1296 over Trib to Mitchell Swamp in Horry County, South Carolina. It was built in 2023, so it is 2 years old, younger 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 6 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 250 vehicles a day, projected to reach 320 by 2043. The structure is 27 ft (8.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-26-1296
CrossesTrib to Mitchell Swamp
Location4.0 MI E of Green Sea
RouteCounty Highway 657
Coordinates34.1253, -78.90963
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic320 by 2043
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 C-26-1296 over Trib to Mitchell Swamp built?

It was built in 2023, making it 2 years old in 2025.

What condition is C-26-1296 over Trib to Mitchell Swamp 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 June 2024.

How much traffic does C-26-1296 over Trib to Mitchell Swamp carry?

About 250 vehicles per day (2023 count).

How long is C-26-1296 over Trib to Mitchell Swamp?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns C-26-1296 over Trib to Mitchell Swamp?

It is owned by the County Highway Agency.