US Bridges

46280 298 ST over Blind Ck

Good

Clay County, South Dakota · 1S & 10.8E Irene · Structure no. 000000014108010

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

46280 298 ST over Blind Ck is a concrete continuous culvert carrying 46280 298 ST over Blind Ck in Clay County, South Dakota. It was built in 2004, so it is 21 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 25 vehicles a day, roughly 3% of them trucks, projected to reach 29 by 2032. The structure is 43 ft (13.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries46280 298 ST
CrossesBlind Ck
Location1S & 10.8E Irene
RouteCounty Highway 0
Coordinates43.06956, -96.94646
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 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 rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length43 ft (13.2 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic29 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 46280 298 ST over Blind Ck built?

It was built in 2004, making it 21 years old in 2025.

What condition is 46280 298 ST over Blind 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 46280 298 ST over Blind Ck carry?

About 25 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 46280 298 ST over Blind Ck?

The structure is 43 ft (13.2 m) long with a longest span of 10 ft (3.2 m).

Who owns 46280 298 ST over Blind Ck?

It is owned by the County Highway Agency.