US Bridges

Csah 7 over Red Eye River

Good

Wadena County, Minnesota · 1.2 MI W of JCT Csah 26 · Structure no. 80537

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
306
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Red Eye River is a concrete continuous slab carrying Csah 7 over Red Eye River in Wadena County, Minnesota. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 306 vehicles a day, projected to reach 290 by 2041. The structure is 91 ft (27.6 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 7
CrossesRed Eye River
Location1.2 MI W of JCT Csah 26
RouteCounty Highway 7
Coordinates46.49935, -94.90863
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length91 ft (27.6 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic306 (2021)
Projected traffic290 by 2041
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 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 7 over Red Eye River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Csah 7 over Red Eye 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 September 2023.

How much traffic does Csah 7 over Red Eye River carry?

About 306 vehicles per day (2021 count).

How long is Csah 7 over Red Eye River?

The structure is 91 ft (27.6 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns Csah 7 over Red Eye River?

It is owned by the County Highway Agency.