US Bridges

S-17-23 over Little Pee Dee River

Fair

Dillon County, South Carolina · 2.5 MI NW Dillon · Structure no. 000000000006471

Built
1974
51 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
180 ft
6 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-23 over Little Pee Dee River is a concrete slab carrying S-17-23 over Little Pee Dee River in Dillon County, South Carolina. It was built in 1974, so it is 51 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 2,700 vehicles a day, roughly 5% of them trucks, projected to reach 3,942 by 2043. The structure is 180 ft (54.9 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesS-17-23
CrossesLittle Pee Dee River
Location2.5 MI NW Dillon
RouteState Highway 23
Coordinates34.48748, -79.395
Functional classRural Major 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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic3,942 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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-17-23 over Little Pee Dee River built?

It was built in 1974, making it 51 years old in 2025.

What condition is S-17-23 over Little Pee Dee 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 February 2025.

How much traffic does S-17-23 over Little Pee Dee River carry?

About 2,700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-17-23 over Little Pee Dee River?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns S-17-23 over Little Pee Dee River?

It is owned by the State Highway Agency.