US Bridges

S-40-129 over Nicholas Creek

Good

Richland County, South Carolina · 4 MI E of Ballentine · Structure no. 000000000008781

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
16,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-129 over Nicholas Creek is a prestressed concrete slab carrying S-40-129 over Nicholas Creek in Richland 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 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 16,100 vehicles a day, roughly 2% of them trucks, projected to reach 25,921 by 2043. The structure is 60 ft (18.3 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-40-129
CrossesNicholas Creek
Location4 MI E of Ballentine
RouteState Highway 129
Coordinates34.11129, -81.16144
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2023)
Projected traffic25,921 by 2043
Trucks2%
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-40-129 over Nicholas Creek built?

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

What condition is S-40-129 over Nicholas 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 September 2024.

How much traffic does S-40-129 over Nicholas Creek carry?

About 16,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-40-129 over Nicholas Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns S-40-129 over Nicholas Creek?

It is owned by the State Highway Agency.