US Bridges

Csah 15 over Stream

Good

Winona County, Minnesota · 0.1 MI S of JCT TH 61 · Structure no. 85564

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
205
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over Stream in Winona County, Minnesota. It was built in 2012, so it is 13 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 205 vehicles a day, roughly 2% of them trucks, projected to reach 230 by 2039. The structure is 83 ft (25.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 15
CrossesStream
Location0.1 MI S of JCT TH 61
RouteCounty Highway 15
Coordinates44.02231, -91.56023
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating35.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length83 ft (25.2 m)
Longest span77 ft (23.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2019)
Projected traffic230 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 15 over Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is Csah 15 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 15 over Stream carry?

About 205 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Csah 15 over Stream?

The structure is 83 ft (25.2 m) long with a longest span of 77 ft (23.4 m) and a deck 43 ft wide.

Who owns Csah 15 over Stream?

It is owned by the County Highway Agency.