US Bridges

465th Avenue over Creek

Good

Roberts County, South Dakota · 3.5S & 2W of Wilmot · Structure no. 000000055160395

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
31
2022 count
Owner
County
County Highway Agency

About this bridge

465th Avenue over Creek is a steel culvert carrying 465th Avenue over Creek in Roberts County, South Dakota. It was built in 2007, so it is 18 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 31 vehicles a day, roughly 2% of them trucks, projected to reach 31 by 2032. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries465th Avenue
CrossesCreek
Location3.5S & 2W of Wilmot
Coordinates45.36302, -96.90318
Functional classRural Minor Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2022)
Projected traffic31 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 465th Avenue over Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is 465th Avenue over 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 June 2024.

How much traffic does 465th Avenue over Creek carry?

About 31 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 465th Avenue over Creek?

The structure is 20 ft (6.2 m) long with a longest span of 8 ft (2.4 m).

Who owns 465th Avenue over Creek?

It is owned by the County Highway Agency.