US Bridges

Csah 9 over Stream

Fair

Winona County, Minnesota · 1.5 MI E of JCT Csah 17 · Structure no. 93270

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
140
2011 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Stream is a concrete culvert carrying Csah 9 over Stream in Winona County, Minnesota. It was built in 1977, so it is 48 years old, older 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 5 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 140 vehicles a day, projected to reach 140 by 2039. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 9
CrossesStream
Location1.5 MI E of JCT Csah 17
RouteCounty Highway 9
Coordinates43.93574, -91.59209
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 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 traffic140 (2011)
Projected traffic140 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 9 over Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 9 over Stream 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 October 2023.

How much traffic does Csah 9 over Stream carry?

About 140 vehicles per day (2011 count).

How long is Csah 9 over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (2.9 m).

Who owns Csah 9 over Stream?

It is owned by the County Highway Agency.