US Bridges

Mn 22 over E Fk Blue Earth River

Fair

Faribault County, Minnesota · 2.7 MI S of JCT TH 90 · Structure no. 6341

Built
1940
85 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
720
2020 count
Owner
State
State Highway Agency

About this bridge

Mn 22 over E Fk Blue Earth River is a concrete culvert carrying Mn 22 over E Fk Blue Earth River in Faribault County, Minnesota. It was built in 1940, so it is 85 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 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 720 vehicles a day, roughly 14% of them trucks, projected to reach 880 by 2040. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 22
CrossesE Fk Blue Earth River
Location2.7 MI S of JCT TH 90
RouteState Highway 22
Coordinates43.63276, -93.70816
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2020)
Projected traffic880 by 2040
Trucks14%
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$156 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 22 over E Fk Blue Earth River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Mn 22 over E Fk Blue Earth 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 July 2023.

How much traffic does Mn 22 over E Fk Blue Earth River carry?

About 720 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Mn 22 over E Fk Blue Earth River?

The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.5 m).

Who owns Mn 22 over E Fk Blue Earth River?

It is owned by the State Highway Agency.