US Bridges

S-43-531 over Branch of Nasty Branch

Good

Sumter County, South Carolina · 8 MI SW of Sumter · Structure no. 000000000009096

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-43-531 over Branch of Nasty Branch is a concrete continuous slab carrying S-43-531 over Branch of Nasty Branch in Sumter County, South Carolina. It was built in 1996, so it is 29 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 704 by 2043. The structure is 69 ft (21 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-43-531
CrossesBranch of Nasty Branch
Location8 MI SW of Sumter
RouteState Highway 531
Coordinates33.82523, -80.40768
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length69 ft (21 m)
Longest span23 ft (7 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic704 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-43-531 over Branch of Nasty Branch built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-43-531 over Branch of Nasty Branch 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 S-43-531 over Branch of Nasty Branch carry?

About 550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-43-531 over Branch of Nasty Branch?

The structure is 69 ft (21 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns S-43-531 over Branch of Nasty Branch?

It is owned by the State Highway Agency.