US Bridges

466th Avenue over Trib. to Stray Horse Crk

Good

Hamlin County, South Dakota · 7.0E & 1.6N of Castlewood · Structure no. 000000029300034

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

466th Avenue over Trib. to Stray Horse Crk is a concrete continuous culvert carrying 466th Avenue over Trib. to Stray Horse Crk in Hamlin County, South Dakota. It was built in 2005, so it is 20 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 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 80 vehicles a day, roughly 9% of them trucks, projected to reach 98 by 2032. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries466th Avenue
CrossesTrib. to Stray Horse Crk
Location7.0E & 1.6N of Castlewood
RouteCounty Highway 0
Coordinates44.75541, -96.88448
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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating105.8 US tons
Inventory rating81.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic98 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 466th Avenue over Trib. to Stray Horse Crk built?

It was built in 2005, making it 20 years old in 2025.

What condition is 466th Avenue over Trib. to Stray Horse Crk 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 466th Avenue over Trib. to Stray Horse Crk carry?

About 80 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 466th Avenue over Trib. to Stray Horse Crk?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).

Who owns 466th Avenue over Trib. to Stray Horse Crk?

It is owned by the County Highway Agency.