US Bridges

Csah 46 over Trib to Dobbins Creek

Good

Mower County, Minnesota · 0.1 MI W of JCT TH 56 · Structure no. 50K99

Built
2023
2 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
295
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 46 over Trib to Dobbins Creek is a concrete culvert carrying Csah 46 over Trib to Dobbins Creek in Mower County, Minnesota. It was built in 2023, so it is 2 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 295 vehicles a day, projected to reach 295 by 2042. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 46
CrossesTrib to Dobbins Creek
Location0.1 MI W of JCT TH 56
RouteCounty Highway 46
Coordinates43.67416, -92.86986
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal 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 spans2
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2022)
Projected traffic295 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 46 over Trib to Dobbins Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Csah 46 over Trib to Dobbins 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 August 2023.

How much traffic does Csah 46 over Trib to Dobbins Creek carry?

About 295 vehicles per day (2022 count).

How long is Csah 46 over Trib to Dobbins Creek?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Csah 46 over Trib to Dobbins Creek?

It is owned by the County Highway Agency.