US Bridges

396th Ave over Creek

Fair

Spink County, South Dakota · 7.1S Frankfort · Structure no. 000000058199321

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
93 ft
3 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

396th Ave over Creek is a concrete slab carrying 396th Ave over Creek in Spink County, South Dakota. It was built in 1972, so it is 53 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 40 vehicles a day, roughly 3% of them trucks, projected to reach 40 by 2032. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries396th Ave
CrossesCreek
Location7.1S Frankfort
RouteCounty Highway 0
Coordinates44.77634, -98.30409
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating39.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 396th Ave over Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is 396th Ave 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 2023.

How much traffic does 396th Ave over Creek carry?

About 40 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 396th Ave over Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns 396th Ave over Creek?

It is owned by the County Highway Agency.