US Bridges

S-17-363 over Little Pee Dee River

Fair

Dillon County, South Carolina · 13MI NW Dillon · Structure no. 000000000004100

Built
1963
62 years old, rebuilt 1994
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
180 ft
12 main spans
Daily traffic
75
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-363 over Little Pee Dee River is a concrete slab carrying S-17-363 over Little Pee Dee River in Dillon County, South Carolina. It was built in 1963 and reconstructed in 1994, so it is 62 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 75 vehicles a day, projected to reach 96 by 2043. The structure is 180 ft (54.9 m) long and 28 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesS-17-363
CrossesLittle Pee Dee River
Location13MI NW Dillon
RouteState Highway 363
Coordinates34.60214, -79.45914
Functional classRural Local

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 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 geometry6: Equal to present minimum criteria
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 spans12
Design loadH 10
Structure length180 ft (54.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic96 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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-17-363 over Little Pee Dee River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1994.

What condition is S-17-363 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-17-363 over Little Pee Dee River carry?

About 75 vehicles per day (2023 count).

How long is S-17-363 over Little Pee Dee River?

The structure is 180 ft (54.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-17-363 over Little Pee Dee River?

It is owned by the State Highway Agency.