US Bridges

Csah 1 over Mustinka River

Good

Grant County, Minnesota · 0.5 MI N of JCT Csah 8 · Structure no. 26J06

Built
2022
3 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
75
2010 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Mustinka River is a concrete culvert carrying Csah 1 over Mustinka River in Grant 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 75 vehicles a day, projected to reach 75 by 2030. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesMustinka River
Location0.5 MI N of JCT Csah 8
RouteCounty Highway 1
CountyGrant County
StateMinnesota
Coordinates45.88264, -96.19306
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 (6.6 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2010)
Projected traffic75 by 2030
Trucks—
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over Mustinka River built?

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

What condition is Csah 1 over Mustinka 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 October 2022.

How much traffic does Csah 1 over Mustinka River carry?

About 75 vehicles per day (2010 count).

How long is Csah 1 over Mustinka River?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m).

Who owns Csah 1 over Mustinka River?

It is owned by the County Highway Agency.