US Bridges

22730 363rd Avenue over Trib. to Platte Creek

Good

Charles Mix County, South Dakota · 1.3S & 4.0W of Platte · Structure no. 000000012190093

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
31 ft
1 main span
Daily traffic
48
2022 count
Owner
County
County Highway Agency

About this bridge

22730 363rd Avenue over Trib. to Platte Creek is a aluminum, wrought iron, or cast iron culvert carrying 22730 363rd Avenue over Trib. to Platte Creek in Charles Mix 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 48 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2032. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries22730 363rd Avenue
CrossesTrib. to Platte Creek
Location1.3S & 4.0W of Platte
Coordinates43.36604, -98.92321
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length31 ft (9.6 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2022)
Projected traffic48 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-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 22730 363rd Avenue over Trib. to Platte Creek built?

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

What condition is 22730 363rd Avenue over Trib. to Platte 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 October 2023.

How much traffic does 22730 363rd Avenue over Trib. to Platte Creek carry?

About 48 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 22730 363rd Avenue over Trib. to Platte Creek?

The structure is 31 ft (9.6 m) long with a longest span of 26 ft (7.8 m).

Who owns 22730 363rd Avenue over Trib. to Platte Creek?

It is owned by the County Highway Agency.