US Bridges

Mn 11 over Roseau R Watershed

Good

Roseau County, Minnesota · 1.1 MI W of JCT TH 310 · Structure no. 68X06

Built
2005
20 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
5,800
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 11 over Roseau R Watershed is a concrete culvert carrying Mn 11 over Roseau R Watershed in Roseau County, Minnesota. It was built in 2005, so it is 20 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 5,800 vehicles a day, roughly 5% of them trucks, projected to reach 3,450 by 2039. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMn 11
CrossesRoseau R Watershed
Location1.1 MI W of JCT TH 310
RouteState Highway 11
Coordinates48.84795, -95.79054
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2019)
Projected traffic3,450 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 11 over Roseau R Watershed built?

It was built in 2005, making it 20 years old in 2025.

What condition is Mn 11 over Roseau R Watershed 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 2022.

How much traffic does Mn 11 over Roseau R Watershed carry?

About 5,800 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Mn 11 over Roseau R Watershed?

The structure is 21 ft (6.5 m) long with a longest span of 8 ft (2.4 m).

Who owns Mn 11 over Roseau R Watershed?

It is owned by the State Highway Agency.