US Bridges

30690 451 Ave over Clay Creek

Good

Yankton County, South Dakota · 1 S Volin · Structure no. 000000068230159

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
655
2022 count
Owner
County
County Highway Agency

About this bridge

30690 451 Ave over Clay Creek is a steel stringer/multi-beam or girder carrying 30690 451 Ave over Clay Creek in Yankton County, South Dakota. It was built in 2019, so it is 6 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 655 vehicles a day, roughly 3% of them trucks, projected to reach 655 by 2032. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Carries30690 451 Ave
CrossesClay Creek
Location1 S Volin
RouteCounty Highway 0
Coordinates42.93927, -97.18051
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 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 alignment7: Better than present minimum criteria
Operating rating45.5 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic655 (2022)
Projected traffic655 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 30690 451 Ave over Clay Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 30690 451 Ave over Clay Creek 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 30690 451 Ave over Clay Creek carry?

About 655 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 30690 451 Ave over Clay Creek?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 33 ft wide.

Who owns 30690 451 Ave over Clay Creek?

It is owned by the County Highway Agency.