US Bridges

Mn 13 over Little Le Sueur River

Fair

Waseca County, Minnesota · 6.1 MI S of Waseca · Structure no. 81001

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
3 main spans
Daily traffic
3,017
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 13 over Little Le Sueur River is a steel stringer/multi-beam or girder carrying Mn 13 over Little Le Sueur River in Waseca County, Minnesota. It was built in 1966, so it is 59 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 3,017 vehicles a day, roughly 24% of them trucks, projected to reach 3,000 by 2041. The structure is 83 ft (25.3 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMn 13
CrossesLittle Le Sueur River
Location6.1 MI S of Waseca
RouteState Highway 13
Coordinates43.99891, -93.49663
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span30 ft (9.1 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,017 (2021)
Projected traffic3,000 by 2041
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$114 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 13 over Little Le Sueur River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Mn 13 over Little Le Sueur 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 June 2024.

How much traffic does Mn 13 over Little Le Sueur River carry?

About 3,017 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is Mn 13 over Little Le Sueur River?

The structure is 83 ft (25.3 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns Mn 13 over Little Le Sueur River?

It is owned by the State Highway Agency.