US Bridges

339th Avenue over Creek

Fair

Faulk County, South Dakota · 6E & 4.7S Seneca · Structure no. 000000025090177

Built
1940
85 years old, rebuilt 1981
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

339th Avenue over Creek is a concrete continuous culvert carrying 339th Avenue over Creek in Faulk County, South Dakota. It was built in 1940 and reconstructed in 1981, so it is 85 years old, older than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36 vehicles a day, roughly 2% of them trucks, projected to reach 36 by 2032. The structure is 21 ft (6.3 m) long and 29 ft wide. If it were closed, the detour would be 18 mi (29 km).

Carries339th Avenue
CrossesCreek
Location6E & 4.7S Seneca
RouteCounty Highway 0
Coordinates44.98838, -99.38931
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic36 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 339th Avenue over Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1981.

What condition is 339th Avenue over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does 339th Avenue over Creek carry?

About 36 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 339th Avenue over Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns 339th Avenue over Creek?

It is owned by the County Highway Agency.