US Bridges

S-17-192 over Sweet Swamp

PoorPosted for load

Dillon County, South Carolina · 4MI N Dillon · Structure no. 000000000002327

Built
1956
69 years old
Condition
Poor
inspected February 2025
Type
Slab
Concrete
Length
28 ft
2 main spans
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-192 over Sweet Swamp is a concrete slab carrying S-17-192 over Sweet Swamp in Dillon County, South Carolina. It was built in 1956, so it is 69 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-17-192
CrossesSweet Swamp
Location4MI N Dillon
RouteState Highway 192
Coordinates34.50635, -79.40778
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-17-192 over Sweet Swamp built?

It was built in 1956, making it 69 years old in 2025.

What condition is S-17-192 over Sweet Swamp in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does S-17-192 over Sweet Swamp carry?

About 225 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-17-192 over Sweet Swamp?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-17-192 over Sweet Swamp?

It is owned by the State Highway Agency.