US Bridges

210th Street over North Deer Ck

Good

Brookings County, South Dakota · 2N & 3.8W Brookings · Structure no. 000000006132140

Built
1995
30 years old
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
88 ft
10 main spans
Daily traffic
99
2022 count
Owner
County
County Highway Agency

About this bridge

210th Street over North Deer Ck is a steel culvert carrying 210th Street over North Deer Ck in Brookings County, South Dakota. It was built in 1995, so it is 30 years old, younger 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 99 vehicles a day, roughly 8% of them trucks, projected to reach 99 by 2034. The structure is 88 ft (26.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries210th Street
CrossesNorth Deer Ck
Location2N & 3.8W Brookings
RouteCounty Highway 0
Coordinates44.34083, -96.86428
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.1 US tons
Inventory rating21.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans10
Design loadHS 20
Structure length88 ft (26.7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2022)
Projected traffic99 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 210th Street over North Deer Ck built?

It was built in 1995, making it 30 years old in 2025.

What condition is 210th Street over North Deer 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 210th Street over North Deer Ck carry?

About 99 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is 210th Street over North Deer Ck?

The structure is 88 ft (26.7 m) long with a longest span of 7 ft (2.1 m).

Who owns 210th Street over North Deer Ck?

It is owned by the County Highway Agency.