Csah 10 over Stream

Good

Rock County, Minnesota · 0.8 MI E of JCT Csah 2 · Structure no. 96675

Built: 1989; 36 years old
Condition: Good; inspected October 2021
Type: Culvert; Concrete
Length: 42 ft; 3 main spans
Daily traffic: 790; 2018 count
Owner: County; County Highway Agency

About this bridge

Csah 10 over Stream is a concrete culvert carrying Csah 10 over Stream in Rock County, Minnesota. It was built in 1989, so it is 36 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 790 vehicles a day, projected to reach 860 by 2038. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesCsah 10

CrossesStream

Location0.8 MI E of JCT Csah 2

RouteCounty Highway 10

CountyRock County

StateMinnesota

Coordinates43.83373, -96.09726

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.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	8 Very Good	No problems noted.

Last inspectionOctober 2021

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Waterway adequacy6: Equal to 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 spans3

Design loadHS 20

Structure length42 ft (12.8 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 traffic790 (2018)

Projected traffic860 by 2038

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed13 mi (21 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 10 over Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is Csah 10 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 October 2021.

How much traffic does Csah 10 over Stream carry?

About 790 vehicles per day (2018 count).

How long is Csah 10 over Stream?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns Csah 10 over Stream?

It is owned by the County Highway Agency.