US Bridges

Sc 917 over Little Pee Dee Swp (1)

Fair

Marion County, South Carolina · 3.5 MI SE of Mullins · Structure no. 000000000001390

Built
1947
78 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 917 over Little Pee Dee Swp (1) is a concrete tee beam carrying Sc 917 over Little Pee Dee Swp (1) in Marion County, South Carolina. It was built in 1947, so it is 78 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 5 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 3,000 vehicles a day, roughly 15% of them trucks, projected to reach 4,380 by 2043. The structure is 210 ft (64 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSc 917
CrossesLittle Pee Dee Swp (1)
Location3.5 MI SE of Mullins
RouteState Highway 917
Coordinates34.1589, -79.22188
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic4,380 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$504,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 917 over Little Pee Dee Swp (1) built?

It was built in 1947, making it 78 years old in 2025.

What condition is Sc 917 over Little Pee Dee Swp (1) 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 June 2024.

How much traffic does Sc 917 over Little Pee Dee Swp (1) carry?

About 3,000 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Sc 917 over Little Pee Dee Swp (1)?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Sc 917 over Little Pee Dee Swp (1)?

It is owned by the State Highway Agency.