US Bridges

30250 464 Ave over Ck

Good

Clay County, South Dakota · 5.5S & 12.0E Irene · Structure no. 000000014120055

Built
2005
20 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
97
2022 count
Owner
County
County Highway Agency

About this bridge

30250 464 Ave over Ck is a prestressed concrete tee beam carrying 30250 464 Ave over Ck in Clay 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 97 vehicles a day, roughly 3% of them trucks, projected to reach 97 by 2032. The structure is 51 ft (15.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries30250 464 Ave
CrossesCk
Location5.5S & 12.0E Irene
RouteCounty Highway 0
Coordinates43.00205, -96.92396
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span49 ft (14.8 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2022)
Projected traffic97 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 30250 464 Ave over Ck built?

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

What condition is 30250 464 Ave over 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 September 2024.

How much traffic does 30250 464 Ave over Ck carry?

About 97 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 30250 464 Ave over Ck?

The structure is 51 ft (15.4 m) long with a longest span of 49 ft (14.8 m) and a deck 31 ft wide.

Who owns 30250 464 Ave over Ck?

It is owned by the County Highway Agency.