US Bridges

S-26-857 over Br of Cowpen Swp

Good

Horry County, South Carolina · 8MI SE Loris · Structure no. 000000000006310

Built
2014
11 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-857 over Br of Cowpen Swp is a prestressed concrete box beam or girders - multiple carrying S-26-857 over Br of Cowpen Swp in Horry County, South Carolina. It was built in 2014, so it is 11 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 750 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2043. The structure is 60 ft (18.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-26-857
CrossesBr of Cowpen Swp
Location8MI SE Loris
RouteState Highway 857
Coordinates33.95982, -78.79449
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic960 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-26-857 over Br of Cowpen Swp built?

It was built in 2014, making it 11 years old in 2025.

What condition is S-26-857 over Br of Cowpen Swp 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 August 2023.

How much traffic does S-26-857 over Br of Cowpen Swp carry?

About 750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-26-857 over Br of Cowpen Swp?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns S-26-857 over Br of Cowpen Swp?

It is owned by the State Highway Agency.