US Bridges

Csah 17 over Stream

Fair

Winona County, Minnesota · 2.1 MI SE of JCT Csah 15 · Structure no. 91792

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
2,000
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 17 over Stream is a concrete culvert carrying Csah 17 over Stream in Winona County, Minnesota. It was built in 1978, so it is 47 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 6 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 2,000 vehicles a day, projected to reach 2,000 by 2039. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 17
CrossesStream
Location2.1 MI SE of JCT Csah 15
RouteCounty Highway 17
Coordinates43.99123, -91.60001
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2015)
Projected traffic2,000 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 17 over Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 17 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 17 over Stream carry?

About 2,000 vehicles per day (2015 count).

How long is Csah 17 over Stream?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 17 over Stream?

It is owned by the County Highway Agency.