US Bridges

S-26-23 over Boggy Branch

Fair

Horry County, South Carolina · 4 MI W Floyd · Structure no. 000000000007266

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-23 over Boggy Branch is a concrete slab carrying S-26-23 over Boggy Branch in Horry County, South Carolina. It was built in 1979, so it is 46 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 650 vehicles a day, roughly 17% of them trucks, projected to reach 949 by 2043. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-26-23
CrossesBoggy Branch
Location4 MI W Floyd
RouteState Highway 23
Coordinates34.21035, -79.11109
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic949 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-26-23 over Boggy Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is S-26-23 over Boggy Branch 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 S-26-23 over Boggy Branch carry?

About 650 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is S-26-23 over Boggy Branch?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-26-23 over Boggy Branch?

It is owned by the State Highway Agency.