US Bridges

217th Street over Ck

Good

Brookings County, South Dakota · 5S & 1.3W Brookings · Structure no. 000000006183210

Built
1966
59 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
35 ft
4 main spans
Daily traffic
92
2022 count
Owner
County
County Highway Agency

About this bridge

217th Street over Ck is a concrete continuous culvert carrying 217th Street over Ck in Brookings County, South Dakota. It was built in 1966, so it is 59 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 92 vehicles a day, roughly 3% of them trucks, projected to reach 92 by 2032. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries217th Street
CrossesCk
Location5S & 1.3W Brookings
RouteCounty Highway 0
Coordinates44.23901, -96.76252
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating43.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 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 traffic92 (2022)
Projected traffic92 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$761,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 217th Street over Ck built?

It was built in 1966, making it 59 years old in 2025.

What condition is 217th Street over Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 217th Street over Ck carry?

About 92 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 217th Street over Ck?

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

Who owns 217th Street over Ck?

It is owned by the County Highway Agency.