US Bridges

S-43-692 over Mush Swamp

Good

Sumter County, South Carolina · 4 MI NW of Sumter · Structure no. 000000000006197

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-43-692 over Mush Swamp is a prestressed concrete slab carrying S-43-692 over Mush Swamp in Sumter County, South Carolina. It was built in 2008, so it is 17 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 5,500 vehicles a day, roughly 3% of them trucks, projected to reach 6,875 by 2043. The structure is 70 ft (21.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-43-692
CrossesMush Swamp
Location4 MI NW of Sumter
RouteState Highway 692
Coordinates33.94711, -80.40317
Functional classUrban Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic6,875 by 2043
Trucks3%
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

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-43-692 over Mush Swamp built?

It was built in 2008, making it 17 years old in 2025.

What condition is S-43-692 over Mush Swamp 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 July 2023.

How much traffic does S-43-692 over Mush Swamp carry?

About 5,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-43-692 over Mush Swamp?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns S-43-692 over Mush Swamp?

It is owned by the State Highway Agency.