US Bridges

Csah 8 over Redwood River

Good

Redwood County, Minnesota · 0.7 MI S of JCT Csah 30 · Structure no. 64601

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
182
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Redwood River is a concrete continuous slab carrying Csah 8 over Redwood River in Redwood County, Minnesota. It was built in 2024, so it is 1 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 182 vehicles a day, projected to reach 201 by 2042. The structure is 135 ft (41.1 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 8
CrossesRedwood River
Location0.7 MI S of JCT Csah 30
RouteCounty Highway 8
Coordinates44.49912, -95.53355
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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
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 geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span135 ft (41.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182 (2022)
Projected traffic201 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Redwood River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 8 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 8 over Redwood River carry?

About 182 vehicles per day (2022 count).

How long is Csah 8 over Redwood River?

The structure is 135 ft (41.1 m) long with a longest span of 135 ft (41.1 m) and a deck 39 ft wide.

Who owns Csah 8 over Redwood River?

It is owned by the County Highway Agency.