US Bridges

464 Ave over Buffalo Ck

Good

Lake County, South Dakota · 1.6S Chester · Structure no. 000000040220223

Built
2020
5 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
883
2022 count
Owner
County
County Highway Agency

About this bridge

464 Ave over Buffalo Ck is a concrete continuous culvert carrying 464 Ave over Buffalo Ck in Lake 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 883 vehicles a day, roughly 15% of them trucks, projected to reach 883 by 2018. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries464 Ave
CrossesBuffalo Ck
Location1.6S Chester
RouteCounty Highway 0
Coordinates43.87288, -96.92883
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic883 (2022)
Projected traffic883 by 2018
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 464 Ave over Buffalo Ck built?

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

What condition is 464 Ave over Buffalo 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 July 2021.

How much traffic does 464 Ave over Buffalo Ck carry?

About 883 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 464 Ave over Buffalo Ck?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns 464 Ave over Buffalo Ck?

It is owned by the County Highway Agency.