US Bridges

CR 409 over West Two Rivers

Good

St. Louis County, Minnesota · 0.4 MI W of JCT TH135 · Structure no. 69K54

Built
2018
7 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
5
2011 count
Owner
County
County Highway Agency

About this bridge

CR 409 over West Two Rivers is a concrete culvert carrying CR 409 over West Two Rivers in St. Louis County, Minnesota. It was built in 2018, so it is 7 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 5 vehicles a day, projected to reach 6 by 2031. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 409
CrossesWest Two Rivers
Location0.4 MI W of JCT TH135
RouteCounty Highway 409
Coordinates47.78196, -92.28518
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior 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 length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2011)
Projected traffic6 by 2031
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 409 over West Two Rivers built?

It was built in 2018, making it 7 years old in 2025.

What condition is CR 409 over West Two Rivers 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 May 2023.

How much traffic does CR 409 over West Two Rivers carry?

About 5 vehicles per day (2011 count).

How long is CR 409 over West Two Rivers?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns CR 409 over West Two Rivers?

It is owned by the County Highway Agency.