US Bridges

Csah 8 over Unnamed Stream

Good

Redwood County, Minnesota · 1.2 MI N of JCT Csah 4 · Structure no. 64J71

Built
2022
3 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
370
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Unnamed Stream is a concrete culvert carrying Csah 8 over Unnamed Stream in Redwood 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 370 vehicles a day, projected to reach 481 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesUnnamed Stream
Location1.2 MI N of JCT Csah 4
RouteCounty Highway 8
CountyRedwood County
StateMinnesota
Coordinates44.34386, -95.5539
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2019)
Projected traffic481 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 8 over Unnamed Stream built?

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

What condition is Csah 8 over Unnamed Stream 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 December 2022.

How much traffic does Csah 8 over Unnamed Stream carry?

About 370 vehicles per day (2019 count).

How long is Csah 8 over Unnamed Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 8 over Unnamed Stream?

It is owned by the County Highway Agency.