US Bridges

Mn 89 over Moose River

Fair

Marshall County, Minnesota · 14.3 MI S of Wannaska · Structure no. 45X07

Built
2009
16 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
435
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 89 over Moose River is a concrete culvert carrying Mn 89 over Moose River in Marshall County, Minnesota. It was built in 2009, so it is 16 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 435 vehicles a day, roughly 2% of them trucks, projected to reach 450 by 2038. The structure is 43 ft (13 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 89
CrossesMoose River
Location14.3 MI S of Wannaska
RouteState Highway 89
Coordinates48.45669, -95.73099
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length43 ft (13 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2018)
Projected traffic450 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 89 over Moose River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Mn 89 over Moose River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Mn 89 over Moose River carry?

About 435 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Mn 89 over Moose River?

The structure is 43 ft (13 m) long with a longest span of 13 ft (3.9 m).

Who owns Mn 89 over Moose River?

It is owned by the State Highway Agency.