US Bridges

Csah 11 over Stream

Good

Rock County, Minnesota · 0.7 MI S of JCT Csah 20 · Structure no. 93980

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
136
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 11 over Stream is a concrete culvert carrying Csah 11 over Stream in Rock County, Minnesota. It was built in 1988, so it is 37 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 136 vehicles a day, projected to reach 125 by 2042. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 11
CrossesStream
Location0.7 MI S of JCT Csah 20
RouteCounty Highway 11
Coordinates43.70838, -96.25234
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 inspectionOctober 2023
Inspection intervalevery 24 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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2022)
Projected traffic125 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 11 over Stream built?

It was built in 1988, making it 37 years old in 2025.

What condition is Csah 11 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 2023.

How much traffic does Csah 11 over Stream carry?

About 136 vehicles per day (2022 count).

How long is Csah 11 over Stream?

The structure is 25 ft (7.5 m) long with a longest span of 10 ft (2.9 m).

Who owns Csah 11 over Stream?

It is owned by the County Highway Agency.