US Bridges

S-17-155 over Thompson Ck

Fair

Dillon County, South Carolina · 5MI W Lake View · Structure no. 000000000005025

Built
1967
58 years old, rebuilt 1998
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-155 over Thompson Ck is a concrete slab carrying S-17-155 over Thompson Ck in Dillon County, South Carolina. It was built in 1967 and reconstructed in 1998, so it is 58 years old, older 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 275 vehicles a day, roughly 6% of them trucks, projected to reach 382 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-17-155
CrossesThompson Ck
Location5MI W Lake View
RouteState Highway 155
Coordinates34.32426, -79.23336
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
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 rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic382 by 2043
Trucks6%
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-17-155 over Thompson Ck built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1998.

What condition is S-17-155 over Thompson Ck 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 February 2025.

How much traffic does S-17-155 over Thompson Ck carry?

About 275 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-17-155 over Thompson Ck?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-17-155 over Thompson Ck?

It is owned by the State Highway Agency.