US Bridges

264th Street over North Br Twelve Mile Ck

Good

Davison County, South Dakota · 10S & 1.8 W Mitchell · Structure no. 000000018132200

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
64
2022 count
Owner
County
County Highway Agency

About this bridge

264th Street over North Br Twelve Mile Ck is a concrete continuous culvert carrying 264th Street over North Br Twelve Mile Ck in Davison County, South Dakota. It was built in 2001, so it is 24 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 64 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2032. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries264th Street
CrossesNorth Br Twelve Mile Ck
Location10S & 1.8 W Mitchell
RouteCounty Highway 0
Coordinates43.55688, -98.06292
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.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating69.7 US tons
Inventory rating53.7 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 traffic64 (2022)
Projected traffic64 by 2032
Trucks2%
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 264th Street over North Br Twelve Mile Ck built?

It was built in 2001, making it 24 years old in 2025.

What condition is 264th Street over North Br Twelve Mile 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 August 2024.

How much traffic does 264th Street over North Br Twelve Mile Ck carry?

About 64 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 264th Street over North Br Twelve Mile Ck?

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

Who owns 264th Street over North Br Twelve Mile Ck?

It is owned by the County Highway Agency.