US Bridges

US 501 Sbl over S-41

Good

Marion County, South Carolina · 3MI NE of Marion · Structure no. 000000000008283

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
4 main spans
Daily traffic
4,250
2023 count
Owner
State
State Highway Agency

About this bridge

US 501 Sbl over S-41 is a steel stringer/multi-beam or girder carrying US 501 Sbl over S-41 in Marion County, South Carolina. It was built in 1989, so it is 36 years old, younger 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 4,250 vehicles a day, roughly 18% of them trucks, projected to reach 6,630 by 2043. The structure is 252 ft (76.8 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 501 Sbl
CrossesS-41
Location3MI NE of Marion
RouteU.S. Route 501
Coordinates34.19018, -79.34561
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span63 ft (19.2 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,250 (2023)
Projected traffic6,630 by 2043
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 501 Sbl over S-41 built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 501 Sbl over S-41 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 July 2024.

How much traffic does US 501 Sbl over S-41 carry?

About 4,250 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US 501 Sbl over S-41?

The structure is 252 ft (76.8 m) long with a longest span of 63 ft (19.2 m) and a deck 55 ft wide.

Who owns US 501 Sbl over S-41?

It is owned by the State Highway Agency.