US Bridges

209th Street over Silver Creek

Fair

Beadle County, South Dakota · 7S & 4.1E of Wessington · Structure no. 000000003041190

Built
1939
86 years old, rebuilt 1966
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
85
2022 count
Owner
County
County Highway Agency

About this bridge

209th Street over Silver Creek is a concrete culvert carrying 209th Street over Silver Creek in Beadle County, South Dakota. It was built in 1939 and reconstructed in 1966, so it is 86 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 85 vehicles a day, roughly 3% of them trucks, projected to reach 85 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Carries209th Street
CrossesSilver Creek
Location7S & 4.1E of Wessington
RouteCounty Highway 0
Coordinates44.35628, -98.61933
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 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 traffic85 (2022)
Projected traffic85 by 2032
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 209th Street over Silver Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1966.

What condition is 209th Street over Silver 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 September 2024.

How much traffic does 209th Street over Silver Creek carry?

About 85 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 209th Street over Silver Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns 209th Street over Silver Creek?

It is owned by the County Highway Agency.