US Bridges

Sc 22 EB over Poplar Swamp

Fair

Horry County, South Carolina · 7MI N of Conway · Structure no. 000000000009678

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
1,720 ft
43 main spans
Daily traffic
7,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 22 EB over Poplar Swamp is a prestressed concrete box beam or girders - multiple carrying Sc 22 EB over Poplar Swamp in Horry County, South Carolina. It was built in 2000, so it is 25 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 7,000 vehicles a day, roughly 8% of them trucks, projected to reach 12,180 by 2043. The structure is 1,720 ft (524.3 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 22 EB
CrossesPoplar Swamp
Location7MI N of Conway
RouteState Highway 22
Coordinates33.94007, -79.00148
Functional classRural Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans43
Design loadHS 25 or greater
Structure length1,720 ft (524.3 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2023)
Projected traffic12,180 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Sc 22 EB over Poplar Swamp built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sc 22 EB over Poplar 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 September 2024.

How much traffic does Sc 22 EB over Poplar Swamp carry?

About 7,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sc 22 EB over Poplar Swamp?

The structure is 1,720 ft (524.3 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns Sc 22 EB over Poplar Swamp?

It is owned by the State Highway Agency.