US Bridges

Csah 39 over Mid Fk Whitewater River

Good

Winona County, Minnesota · 0.1 MI W of JCT TH 74 · Structure no. 85565

Built
2008
17 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
510
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 39 over Mid Fk Whitewater River is a prestressed concrete stringer/multi-beam or girder carrying Csah 39 over Mid Fk Whitewater River in Winona County, Minnesota. It was built in 2008, so it is 17 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 510 vehicles a day, projected to reach 580 by 2039. The structure is 166 ft (50.7 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 39
CrossesMid Fk Whitewater River
Location0.1 MI W of JCT TH 74
RouteCounty Highway 39
Coordinates44.07191, -92.03694
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length166 ft (50.7 m)
Longest span55 ft (16.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2019)
Projected traffic580 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 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 39 over Mid Fk Whitewater River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Csah 39 over Mid Fk Whitewater River 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 November 2023.

How much traffic does Csah 39 over Mid Fk Whitewater River carry?

About 510 vehicles per day (2019 count).

How long is Csah 39 over Mid Fk Whitewater River?

The structure is 166 ft (50.7 m) long with a longest span of 55 ft (16.9 m) and a deck 35 ft wide.

Who owns Csah 39 over Mid Fk Whitewater River?

It is owned by the County Highway Agency.