US Bridges

Csah 20 over Rose Creek

Fair

Mower County, Minnesota · 0.8 MI S of JCT Csah 46 · Structure no. 50J06

Built
2000
25 years old
Condition
Fair
inspected September 2021
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
250
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Rose Creek is a concrete culvert carrying Csah 20 over Rose Creek in Mower County, Minnesota. It was built in 2000, so it is 25 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 250 vehicles a day, projected to reach 250 by 2039. The structure is 42 ft (12.8 m) long.

CarriesCsah 20
CrossesRose Creek
Location0.8 MI S of JCT Csah 46
RouteCounty Highway 20
Coordinates43.67196, -92.78933
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2016)
Projected traffic250 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 20 over Rose Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Csah 20 over Rose Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2021.

How much traffic does Csah 20 over Rose Creek carry?

About 250 vehicles per day (2016 count).

How long is Csah 20 over Rose Creek?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 20 over Rose Creek?

It is owned by the County Highway Agency.