US Bridges

S-4-100 over Neals Creek

Good

Anderson County, South Carolina · 6.0MI SE Anderson · Structure no. 000000000008707

Built
1994
31 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
450
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-100 over Neals Creek is a concrete continuous slab carrying S-4-100 over Neals Creek in Anderson County, South Carolina. It was built in 1994, so it is 31 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 450 vehicles a day, roughly 5% of them trucks, projected to reach 576 by 2043. The structure is 74 ft (22.6 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-4-100
CrossesNeals Creek
Location6.0MI SE Anderson
RouteState Highway 100
Coordinates34.46955, -82.55047
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length74 ft (22.6 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic576 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-100 over Neals Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is S-4-100 over Neals Creek 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 November 2024.

How much traffic does S-4-100 over Neals Creek carry?

About 450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-4-100 over Neals Creek?

The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns S-4-100 over Neals Creek?

It is owned by the State Highway Agency.