US Bridges

Csah 6 over Redwood River

Good

Redwood County, Minnesota · 0.5 MI N of JCT Csah 30 · Structure no. 64569

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
806
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Redwood River is a prestressed concrete stringer/multi-beam or girder carrying Csah 6 over Redwood River in Redwood County, Minnesota. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 806 vehicles a day, projected to reach 770 by 2041. The structure is 192 ft (58.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 6
CrossesRedwood River
Location0.5 MI N of JCT Csah 30
RouteCounty Highway 6
Coordinates44.50771, -95.22945
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.5 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length192 ft (58.6 m)
Longest span64 ft (19.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic806 (2021)
Projected traffic770 by 2041
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 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 6 over Redwood River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Csah 6 over Redwood 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 2024.

How much traffic does Csah 6 over Redwood River carry?

About 806 vehicles per day (2021 count).

How long is Csah 6 over Redwood River?

The structure is 192 ft (58.6 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.

Who owns Csah 6 over Redwood River?

It is owned by the County Highway Agency.