US Bridges

Csah 20 over Stream

Good

Norman County, Minnesota · 0.4 MI W of JCT CR 142 · Structure no. 54J29

Built
2020
5 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
105
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Stream is a concrete culvert carrying Csah 20 over Stream in Norman County, Minnesota. It was built in 2020, so it is 5 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 105 vehicles a day, projected to reach 35 by 2032. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 20
CrossesStream
Location0.4 MI W of JCT CR 142
RouteCounty Highway 20
Coordinates47.23826, -96.56179
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.1 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 traffic105 (2012)
Projected traffic35 by 2032
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 20 over Stream built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 20 over Stream 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 December 2022.

How much traffic does Csah 20 over Stream carry?

About 105 vehicles per day (2012 count).

How long is Csah 20 over Stream?

The structure is 40 ft (12.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 20 over Stream?

It is owned by the County Highway Agency.