US Bridges

US 501 Sbl over Little Pee Dee SWP-1

Good

Marion County, South Carolina · 2.0 MI W. Galivants Fer · Structure no. 000000000006544

Built
1974
51 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
300 ft
12 main spans
Daily traffic
9,950
2023 count
Owner
State
State Highway Agency

About this bridge

US 501 Sbl over Little Pee Dee SWP-1 is a concrete slab carrying US 501 Sbl over Little Pee Dee SWP-1 in Marion 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,950 vehicles a day, roughly 16% of them trucks, projected to reach 17,313 by 2043. The structure is 300 ft (91.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 501 Sbl
CrossesLittle Pee Dee SWP-1
Location2.0 MI W. Galivants Fer
RouteU.S. Route 501
Coordinates34.06833, -79.27
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,950 (2023)
Projected traffic17,313 by 2043
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 501 Sbl over Little Pee Dee SWP-1 built?

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

What condition is US 501 Sbl over Little Pee Dee SWP-1 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does US 501 Sbl over Little Pee Dee SWP-1 carry?

About 9,950 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 501 Sbl over Little Pee Dee SWP-1?

The structure is 300 ft (91.4 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns US 501 Sbl over Little Pee Dee SWP-1?

It is owned by the State Highway Agency.