US Bridges

Csah 46 over S Br Dobbins Creek

Good

Mower County, Minnesota · 0.7 MI W of JCT Csah 24 · Structure no. 50601

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
1,050
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 46 over S Br Dobbins Creek is a concrete continuous slab carrying Csah 46 over S Br 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 1,050 vehicles a day, projected to reach 1,245 by 2039. The structure is 90 ft (27.5 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 46
CrossesS Br Dobbins Creek
Location0.7 MI W of JCT Csah 24
RouteCounty Highway 46
CountyMower County
StateMinnesota
Coordinates43.67417, -92.92356
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating63.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length90 ft (27.5 m)
Longest span34 ft (10.4 m)
Deck width39 ft (12 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2019)
Projected traffic1,245 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S Br Dobbins Creek built?

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

What condition is Csah 46 over S Br 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 May 2023.

How much traffic does Csah 46 over S Br Dobbins Creek carry?

About 1,050 vehicles per day (2019 count).

How long is Csah 46 over S Br Dobbins Creek?

The structure is 90 ft (27.5 m) long with a longest span of 34 ft (10.4 m) and a deck 39 ft wide.

Who owns Csah 46 over S Br Dobbins Creek?

It is owned by the County Highway Agency.