US Bridges

372 Ave over Platte Ck

Good

Aurora County, South Dakota · 11.6S 2W White Lake · Structure no. 000000002020256

Built
2018
7 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

372 Ave over Platte Ck is a concrete culvert carrying 372 Ave over Platte Ck in Aurora County, South Dakota. It was built in 2018, so it is 7 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 33 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries372 Ave
CrossesPlatte Ck
Location11.6S 2W White Lake
RouteCounty Highway 0
Coordinates43.56269, -98.75401
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 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 rating69.9 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2022)
Projected traffic50 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 372 Ave over Platte Ck built?

It was built in 2018, making it 7 years old in 2025.

What condition is 372 Ave over Platte Ck 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 2021.

How much traffic does 372 Ave over Platte Ck carry?

About 33 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 372 Ave over Platte Ck?

The structure is 43 ft (13.1 m) long with a longest span of 14 ft (4.2 m).

Who owns 372 Ave over Platte Ck?

It is owned by the County Highway Agency.