US Bridges

Csah 33 over Le Sueur River

FairPosted for load

Waseca County, Minnesota · 0.8 MI N of JCT CSAH9 · Structure no. 81507

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
125 ft
3 main spans
Daily traffic
72
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 33 over Le Sueur River is a steel continuous stringer/multi-beam or girder carrying Csah 33 over Le Sueur River in Waseca County, Minnesota. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 72 vehicles a day, roughly 7% of them trucks, projected to reach 105 by 2041. The structure is 125 ft (38 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 33
CrossesLe Sueur River
Location0.8 MI N of JCT CSAH9
RouteCounty Highway 33
Coordinates44.03343, -93.66731
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.1 US tons
Inventory rating25.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38 m)
Longest span46 ft (14 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2021)
Projected traffic105 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Csah 33 over Le Sueur River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 33 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 October 2024.

How much traffic does Csah 33 over Le Sueur River carry?

About 72 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Csah 33 over Le Sueur River?

The structure is 125 ft (38 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns Csah 33 over Le Sueur River?

It is owned by the County Highway Agency.