US Bridges

Csah 21 over Trib to Orchard Creek

Good

Mower County, Minnesota · 0.2 MI N of JCT Csah 28 · Structure no. 50K27

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
470
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over Trib to Orchard Creek is a concrete culvert carrying Csah 21 over Trib to Orchard Creek in Mower County, Minnesota. It was built in 2012, so it is 13 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 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 470 vehicles a day, projected to reach 470 by 2039. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 21
CrossesTrib to Orchard Creek
Location0.2 MI N of JCT Csah 28
RouteCounty Highway 21
Coordinates43.64011, -93.01949
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 loadHL 93
Structure length30 ft (9.2 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2016)
Projected traffic470 by 2039
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 21 over Trib to Orchard Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Csah 21 over Trib to Orchard 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 June 2024.

How much traffic does Csah 21 over Trib to Orchard Creek carry?

About 470 vehicles per day (2016 count).

How long is Csah 21 over Trib to Orchard Creek?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.2 m).

Who owns Csah 21 over Trib to Orchard Creek?

It is owned by the County Highway Agency.