US Bridges

US 501 Nbl over Little Pee Dee SWP-2

Fair

Marion County, South Carolina · 1.7 MI W. Galivants Fer · Structure no. 000000000000562

Built
1931
94 years old, rebuilt 1976
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
300 ft
12 main spans
Daily traffic
9,950
2023 count
Owner
State
State Highway Agency

About this bridge

US 501 Nbl over Little Pee Dee SWP-2 is a concrete tee beam carrying US 501 Nbl over Little Pee Dee SWP-2 in Marion County, South Carolina. It was built in 1931 and reconstructed in 1976, so it is 94 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 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 Nbl
CrossesLittle Pee Dee SWP-2
Location1.7 MI W. Galivants Fer
RouteU.S. Route 501
Coordinates34.065, -79.26556
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadH 15
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 Nbl over Little Pee Dee SWP-2 built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1976.

What condition is US 501 Nbl over Little Pee Dee SWP-2 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 July 2024.

How much traffic does US 501 Nbl over Little Pee Dee SWP-2 carry?

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

How long is US 501 Nbl over Little Pee Dee SWP-2?

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 Nbl over Little Pee Dee SWP-2?

It is owned by the State Highway Agency.