US Bridges

462nd Avenue over Trib to Oakwood Lake

Good

Brookings County, South Dakota · 4W & 2.6N of Bruce · Structure no. 000000006080044

Built
2017
8 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
130
2022 count
Owner
County
County Highway Agency

About this bridge

462nd Avenue over Trib to Oakwood Lake is a concrete culvert carrying 462nd Avenue over Trib to Oakwood Lake in Brookings County, South Dakota. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 8% of them trucks, projected to reach 172 by 2037. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Carries462nd Avenue
CrossesTrib to Oakwood Lake
Location4W & 2.6N of Bruce
RouteCounty Highway 6300
Coordinates44.47858, -96.96771
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2022
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 rating36 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2022)
Projected traffic172 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$445,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 462nd Avenue over Trib to Oakwood Lake built?

It was built in 2017, making it 8 years old in 2025.

What condition is 462nd Avenue over Trib to Oakwood Lake 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 2022.

How much traffic does 462nd Avenue over Trib to Oakwood Lake carry?

About 130 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is 462nd Avenue over Trib to Oakwood Lake?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns 462nd Avenue over Trib to Oakwood Lake?

It is owned by the County Highway Agency.