US Bridges

Csah 21 over Huelskamp Creek

Good

Nicollet County, Minnesota · 2.9 MI NW of JCT TH 15 · Structure no. 95920

Built
1996
29 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,075
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over Huelskamp Creek is a concrete culvert carrying Csah 21 over Huelskamp Creek in Nicollet County, Minnesota. It was built in 1996, so it is 29 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,075 vehicles a day, projected to reach 960 by 2041. The structure is 30 ft (9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 21
CrossesHuelskamp Creek
Location2.9 MI NW of JCT TH 15
RouteCounty Highway 21
Coordinates44.35551, -94.47973
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,075 (2021)
Projected traffic960 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Csah 21 over Huelskamp Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Csah 21 over Huelskamp Creek 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 October 2021.

How much traffic does Csah 21 over Huelskamp Creek carry?

About 1,075 vehicles per day (2021 count).

How long is Csah 21 over Huelskamp Creek?

The structure is 30 ft (9 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 21 over Huelskamp Creek?

It is owned by the County Highway Agency.