US Bridges

Mn 22 over Minnesota River

Fair

Le Sueur County, Minnesota · 0.5 MI SE of S JCT TH 16 · Structure no. 40002

Built
1998
27 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
643 ft
7 main spans
Daily traffic
11,436
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 22 over Minnesota River is a prestressed concrete stringer/multi-beam or girder carrying Mn 22 over Minnesota River in Le Sueur County, Minnesota. It was built in 1998, so it is 27 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 11,436 vehicles a day, roughly 9% of them trucks, projected to reach 8,300 by 2042. The structure is 643 ft (196 m) long and 61 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMn 22
CrossesMinnesota River
Location0.5 MI SE of S JCT TH 16
RouteState Highway 22
Coordinates44.30746, -93.96004
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length643 ft (196 m)
Longest span116 ft (35.4 m)
Deck width61 ft (18.7 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,436 (2022)
Projected traffic8,300 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 22 over Minnesota River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Mn 22 over Minnesota 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 May 2023.

How much traffic does Mn 22 over Minnesota River carry?

About 11,436 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Mn 22 over Minnesota River?

The structure is 643 ft (196 m) long with a longest span of 116 ft (35.4 m) and a deck 61 ft wide.

Who owns Mn 22 over Minnesota River?

It is owned by the State Highway Agency.