US Bridges

129th Street over Creek

Good

Roberts County, South Dakota · 2S & 0.5E of Peever · Structure no. 000000055137290

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

129th Street over Creek is a concrete culvert carrying 129th Street over Creek in Roberts County, South Dakota. It was built in 2022, so it is 3 years old, younger than the South Dakota average of 48.9 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 34 ft (10.3 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries129th Street
CrossesCreek
Location2S & 0.5E of Peever
Coordinates45.51469, -96.944
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span16 ft (4.9 m)
Deck width24 ft (7.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 129th Street over Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is 129th Street over 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 July 2024.

How much traffic does 129th Street over Creek carry?

About 35 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 129th Street over Creek?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (4.9 m) and a deck 24 ft wide.

Who owns 129th Street over Creek?

It is owned by the County Highway Agency.