US Bridges

Csah 21 over Ditch

Good

Faribault County, Minnesota · 0.5 MI N of JCT TH 109 · Structure no. 22J22

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
550
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over Ditch is a concrete culvert carrying Csah 21 over Ditch in Faribault County, Minnesota. It was built in 2006, so it is 19 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 550 vehicles a day, projected to reach 500 by 2039. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 21
CrossesDitch
Location0.5 MI N of JCT TH 109
RouteCounty Highway 21
Coordinates43.76761, -93.84753
Functional classRural Major 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 inspectionNovember 2023
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 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 length36 ft (11.1 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2019)
Projected traffic500 by 2039
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 21 over Ditch built?

It was built in 2006, making it 19 years old in 2025.

What condition is Csah 21 over Ditch 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 November 2023.

How much traffic does Csah 21 over Ditch carry?

About 550 vehicles per day (2019 count).

How long is Csah 21 over Ditch?

The structure is 36 ft (11.1 m) long with a longest span of 20 ft (6 m).

Who owns Csah 21 over Ditch?

It is owned by the County Highway Agency.