US Bridges

T 50 over Le Sueur River

Fair

Waseca County, Minnesota · 0.2 MI N of JCT Csah 15 · Structure no. 81519

Built
1981
44 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
116 ft
3 main spans
Daily traffic
34
1980 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 50 over Le Sueur River is a prestressed concrete tee beam carrying T 50 over Le Sueur River in Waseca County, Minnesota. It was built in 1981, so it is 44 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 34 vehicles a day, projected to reach 34 by 2029. The structure is 116 ft (35.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 50
CrossesLe Sueur River
Location0.2 MI N of JCT Csah 15
RouteCounty Highway 50
Coordinates43.98237, -93.52664
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.8 US tons
Inventory rating51 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (1980)
Projected traffic34 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 50 over Le Sueur River built?

It was built in 1981, making it 44 years old in 2025.

What condition is T 50 over 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 November 2024.

How much traffic does T 50 over Le Sueur River carry?

About 34 vehicles per day (1980 count).

How long is T 50 over Le Sueur River?

The structure is 116 ft (35.4 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns T 50 over Le Sueur River?

It is owned by the Town or Township Highway Agency.