US Bridges

406th Ave over Foster Creek

Fair

Spink County, South Dakota · 13.6S Doland · Structure no. 000000058300376

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
91 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

406th Ave over Foster Creek is a concrete channel beam carrying 406th Ave over Foster Creek in Spink County, South Dakota. It was built in 1967, so it is 58 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 5 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2032. The structure is 91 ft (27.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries406th Ave
CrossesFoster Creek
Location13.6S Doland
RouteCounty Highway 0
CountySpink County
StateSouth Dakota
Coordinates44.6963, -98.09915
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length91 ft (27.7 m)
Longest span36 ft (11 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 406th Ave over Foster Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 406th Ave over Foster 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 July 2023.

How much traffic does 406th Ave over Foster Creek carry?

About 100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 406th Ave over Foster Creek?

The structure is 91 ft (27.7 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns 406th Ave over Foster Creek?

It is owned by the County Highway Agency.