US Bridges

Mn 371 over Kabekona Bay; Walker Ba

Fair

Cass County, Minnesota · 3.2 MI N of Walker · Structure no. 11003

Built
1993
32 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
199 ft
3 main spans
Daily traffic
5,169
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 371 over Kabekona Bay; Walker Ba is a prestressed concrete stringer/multi-beam or girder carrying Mn 371 over Kabekona Bay; Walker Ba in Cass County, Minnesota. It was built in 1993, so it is 32 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 5,169 vehicles a day, roughly 8% of them trucks, projected to reach 4,950 by 2041. The structure is 199 ft (60.8 m) long and 50 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

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CarriesMn 371
CrossesKabekona Bay; Walker Ba
Location3.2 MI N of Walker
RouteState Highway 371
CountyCass County
StateMinnesota
Coordinates47.13311, -94.62202
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating73.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length199 ft (60.8 m)
Longest span65 ft (19.9 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,169 (2021)
Projected traffic4,950 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 371 over Kabekona Bay; Walker Ba built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mn 371 over Kabekona Bay; Walker Ba 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 April 2023.

How much traffic does Mn 371 over Kabekona Bay; Walker Ba carry?

About 5,169 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Mn 371 over Kabekona Bay; Walker Ba?

The structure is 199 ft (60.8 m) long with a longest span of 65 ft (19.9 m) and a deck 50 ft wide.

Who owns Mn 371 over Kabekona Bay; Walker Ba?

It is owned by the State Highway Agency.