US Bridges

Sc 917 over L. Pee Dee River Swp

Fair

Horry County, South Carolina · 9 MI NE Aynor · Structure no. 000000000001504

Built
1948
77 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 917 over L. Pee Dee River Swp is a concrete tee beam carrying Sc 917 over L. Pee Dee River Swp in Horry County, South Carolina. It was built in 1948, so it is 77 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 2,100 vehicles a day, roughly 14% of them trucks, projected to reach 3,066 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).

Location

Open in Google Maps
CarriesSc 917
CrossesL. Pee Dee River Swp
Location9 MI NE Aynor
RouteState Highway 917
CountyHorry County
StateSouth Carolina
Coordinates34.14061, -79.19054
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 loadHS 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 traffic2,100 (2023)
Projected traffic3,066 by 2043
Trucks14%
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$510,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 917 over L. Pee Dee River Swp built?

It was built in 1948, making it 77 years old in 2025.

What condition is Sc 917 over L. Pee Dee River Swp 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 August 2023.

How much traffic does Sc 917 over L. Pee Dee River Swp carry?

About 2,100 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Sc 917 over L. Pee Dee River Swp?

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 L. Pee Dee River Swp?

It is owned by the State Highway Agency.