US Bridges

Csah 21 over Day Creek

Good

Houston County, Minnesota · 1.1 MI E of JCT Csah 25 · Structure no. 93228

Built
1976
49 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
382
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over Day Creek is a concrete culvert carrying Csah 21 over Day Creek in Houston County, Minnesota. It was built in 1976, so it is 49 years old, older 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 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 382 vehicles a day, projected to reach 370 by 2041. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 21
CrossesDay Creek
Location1.1 MI E of JCT Csah 25
RouteCounty Highway 21
Coordinates43.79408, -91.42804
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 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 traffic382 (2021)
Projected traffic370 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Day Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Csah 21 over Day 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 2024.

How much traffic does Csah 21 over Day Creek carry?

About 382 vehicles per day (2021 count).

How long is Csah 21 over Day Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Csah 21 over Day Creek?

It is owned by the County Highway Agency.