US Bridges

S-26-958 over Trib to Waccamaw River

Fair

Horry County, South Carolina · 2.5 MI SE Conway · Structure no. 000000000007484

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
1,450
2023 count
Owner
State
State Highway Agency

About this bridge

S-26-958 over Trib to Waccamaw River is a concrete slab carrying S-26-958 over Trib to Waccamaw River in Horry County, South Carolina. It was built in 1981, so it is 44 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 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 1,450 vehicles a day, roughly 5% of them trucks, projected to reach 1,856 by 2043. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-26-958
CrossesTrib to Waccamaw River
Location2.5 MI SE Conway
RouteState Highway 958
Coordinates33.82073, -79.00556
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2023)
Projected traffic1,856 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-26-958 over Trib to Waccamaw River built?

It was built in 1981, making it 44 years old in 2025.

What condition is S-26-958 over Trib to Waccamaw River 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 2023.

How much traffic does S-26-958 over Trib to Waccamaw River carry?

About 1,450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-26-958 over Trib to Waccamaw River?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-26-958 over Trib to Waccamaw River?

It is owned by the State Highway Agency.