US Bridges

Csah 46 over Stream

Fair

Mower County, Minnesota · 0.8 MI W of JCT TH 56 · Structure no. 50K45

Built
2014
11 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
57 ft
3 main spans
Daily traffic
295
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 46 over Stream is a concrete culvert carrying Csah 46 over Stream in Mower County, Minnesota. It was built in 2014, so it is 11 years old, younger 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 295 vehicles a day, roughly 20% of them trucks, projected to reach 295 by 2039. The structure is 57 ft (17.5 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 46
CrossesStream
Location0.8 MI W of JCT TH 56
RouteCounty Highway 46
Coordinates43.67424, -92.88537
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length57 ft (17.5 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2016)
Projected traffic295 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 46 over Stream built?

It was built in 2014, making it 11 years old in 2025.

What condition is Csah 46 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 May 2024.

How much traffic does Csah 46 over Stream carry?

About 295 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is Csah 46 over Stream?

The structure is 57 ft (17.5 m) long with a longest span of 17 ft (5.2 m).

Who owns Csah 46 over Stream?

It is owned by the County Highway Agency.