US Bridges

Csah 7 over Big Trout Creek

Good

Winona County, Minnesota · 1.9 MI SW of JCT TH 14 · Structure no. 85579

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
758
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Big Trout Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 7 over Big Trout Creek in Winona County, Minnesota. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 758 vehicles a day, projected to reach 834 by 2039. The structure is 91 ft (27.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 7
CrossesBig Trout Creek
Location1.9 MI SW of JCT TH 14
RouteCounty Highway 7
Coordinates43.98091, -91.49523
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.6 m)
Longest span86 ft (26.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic758 (2019)
Projected traffic834 by 2039
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 7 over Big Trout Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Csah 7 over Big Trout Creek 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 2024.

How much traffic does Csah 7 over Big Trout Creek carry?

About 758 vehicles per day (2019 count).

How long is Csah 7 over Big Trout Creek?

The structure is 91 ft (27.6 m) long with a longest span of 86 ft (26.1 m) and a deck 30 ft wide.

Who owns Csah 7 over Big Trout Creek?

It is owned by the County Highway Agency.