US Bridges

463rd Avenue over Trib. to Stray Horse Crk

Good

Hamlin County, South Dakota · 1.1N & 4.0E of Castlewood · Structure no. 000000029270039

Built
2017
8 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

463rd Avenue over Trib. to Stray Horse Crk is a concrete culvert carrying 463rd Avenue over Trib. to Stray Horse Crk in Hamlin County, South Dakota. It was built in 2017, so it is 8 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 125 vehicles a day, roughly 3% of them trucks, projected to reach 125 by 2032. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries463rd Avenue
CrossesTrib. to Stray Horse Crk
Location1.1N & 4.0E of Castlewood
Coordinates44.74781, -96.9455
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 2022
Inspection intervalevery 48 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 alignment9: Superior to present desirable criteria
Operating rating92.6 US tons
Inventory rating71.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic125 by 2032
Trucks3%
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 463rd Avenue over Trib. to Stray Horse Crk built?

It was built in 2017, making it 8 years old in 2025.

What condition is 463rd 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 2022.

How much traffic does 463rd Avenue over Trib. to Stray Horse Crk carry?

About 125 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 463rd Avenue over Trib. to Stray Horse Crk?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.8 m).

Who owns 463rd Avenue over Trib. to Stray Horse Crk?

It is owned by the County Highway Agency.