US Bridges

469th Avenue over Snake Creek

Good

Lincoln County, South Dakota · 3E & 5.9S of Lennox · Structure no. 000000042050169

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
145
2022 count
Owner
County
County Highway Agency

About this bridge

469th Avenue over Snake Creek is a concrete continuous culvert carrying 469th Avenue over Snake Creek in Lincoln County, South Dakota. It was built in 1999, so it is 26 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 145 vehicles a day, roughly 2% of them trucks, projected to reach 145 by 2032. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries469th Avenue
CrossesSnake Creek
Location3E & 5.9S of Lennox
RouteCounty Highway 0
Coordinates43.25896, -96.82631
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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating24.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2022)
Projected traffic145 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 469th Avenue over Snake Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is 469th Avenue over Snake 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 2023.

How much traffic does 469th Avenue over Snake Creek carry?

About 145 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 469th Avenue over Snake Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns 469th Avenue over Snake Creek?

It is owned by the County Highway Agency.