US Bridges

Mn 4 over Mid Fk Crow River

Fair

Meeker County, Minnesota · 6.8 MI N of Grove City · Structure no. 6853

Built
1955
70 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
1,332
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 4 over Mid Fk Crow River is a steel stringer/multi-beam or girder carrying Mn 4 over Mid Fk Crow River in Meeker County, Minnesota. It was built in 1955, so it is 70 years old, older 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 5 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 1,332 vehicles a day, roughly 20% of them trucks, projected to reach 1,200 by 2041. The structure is 38 ft (11.6 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 4
CrossesMid Fk Crow River
Location6.8 MI N of Grove City
RouteState Highway 4
Coordinates45.24682, -94.67116
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,332 (2021)
Projected traffic1,200 by 2041
Trucks20%
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$130 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 4 over Mid Fk Crow River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Mn 4 over Mid Fk 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 September 2023.

How much traffic does Mn 4 over Mid Fk Crow River carry?

About 1,332 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is Mn 4 over Mid Fk Crow River?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 34 ft wide.

Who owns Mn 4 over Mid Fk Crow River?

It is owned by the State Highway Agency.