US Bridges

458th Avenue over Ck

Good

Turner County, South Dakota · 2W & 0.2S Davis · Structure no. 000000063180172

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

458th Avenue over Ck is a steel stringer/multi-beam or girder carrying 458th Avenue over Ck in Turner County, South Dakota. It was built in 2020, so it is 5 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 75 vehicles a day, roughly 2% of them trucks, projected to reach 75 by 2032. The structure is 80 ft (24.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries458th Avenue
CrossesCk
Location2W & 0.2S Davis
RouteCounty Highway 0
Coordinates43.25481, -97.04255
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52.2 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic75 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 458th Avenue over Ck built?

It was built in 2020, making it 5 years old in 2025.

What condition is 458th Avenue 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 458th Avenue over Ck carry?

About 75 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 458th Avenue over Ck?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 25 ft wide.

Who owns 458th Avenue over Ck?

It is owned by the County Highway Agency.