US Bridges

Csah 17 over Stream

FairPosted for load

Winona County, Minnesota · 1.4 MI N of JCT Csah 19 · Structure no. 85529

Built
1981
44 years old, rebuilt 2020
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
64 ft
2 main spans
Daily traffic
435
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 17 over Stream is a wood or timber slab carrying Csah 17 over Stream in Winona County, Minnesota. It was built in 1981 and reconstructed in 2020, so it is 44 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. Its operating status is: posted for load restriction.

It carries about 435 vehicles a day, projected to reach 480 by 2039. The structure is 64 ft (19.5 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 17
CrossesStream
Location1.4 MI N of JCT Csah 19
RouteCounty Highway 17
Coordinates43.89116, -91.64391
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.7 US tons
Inventory rating33.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2019)
Projected traffic480 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1981, making it 44 years old in 2025. It was reconstructed in 2020.

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 November 2023.

How much traffic does Csah 17 over Stream carry?

About 435 vehicles per day (2019 count).

How long is Csah 17 over Stream?

The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns Csah 17 over Stream?

It is owned by the County Highway Agency.