US Bridges

204th Street over Br North Deer Ck

Fair

Brookings County, South Dakota · .7M S. & 3.8M E. of Bruce · Structure no. 000000006156080

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
35 ft
4 main spans
Daily traffic
735
2022 count
Owner
County
County Highway Agency

About this bridge

204th Street over Br North Deer Ck is a concrete continuous culvert carrying 204th Street over Br North Deer Ck in Brookings County, South Dakota. It was built in 1962, so it is 63 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 735 vehicles a day, roughly 3% of them trucks, projected to reach 735 by 2032. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Carries204th Street
CrossesBr North Deer Ck
Location.7M S. & 3.8M E. of Bruce
RouteCounty Highway 0
Coordinates44.42781, -96.81524
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic735 (2022)
Projected traffic735 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$791,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 204th Street over Br North Deer Ck built?

It was built in 1962, making it 63 years old in 2025.

What condition is 204th Street over Br North Deer Ck 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 204th Street over Br North Deer Ck carry?

About 735 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 204th Street over Br North Deer Ck?

The structure is 35 ft (10.6 m) long with a longest span of 8 ft (2.4 m).

Who owns 204th Street over Br North Deer Ck?

It is owned by the County Highway Agency.