US Bridges

Mn 9 over Crow River

Fair

Kandiyohi County, Minnesota · 0.6 MI NW of JCT TH 23 · Structure no. 34026

Built
1994
31 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
4,600
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 9 over Crow River is a concrete continuous slab carrying Mn 9 over Crow River in Kandiyohi County, Minnesota. It was built in 1994, so it is 31 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,700 by 2038. The structure is 69 ft (21.1 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 9
CrossesCrow River
Location0.6 MI NW of JCT TH 23
RouteState Highway 9
Coordinates45.29874, -94.94457
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.4 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length69 ft (21.1 m)
Longest span26 ft (7.9 m)
Deck width53 ft (16.3 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2018)
Projected traffic4,700 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 9 over Crow River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mn 9 over Crow 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 August 2023.

How much traffic does Mn 9 over Crow River carry?

About 4,600 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is Mn 9 over Crow River?

The structure is 69 ft (21.1 m) long with a longest span of 26 ft (7.9 m) and a deck 53 ft wide.

Who owns Mn 9 over Crow River?

It is owned by the State Highway Agency.