US Bridges

Csah 3 over Little Cannon R(cd # 38)

Good

Le Sueur County, Minnesota · 0.5 MI N of JCT Csah 8 · Structure no. 40523

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
446
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Little Cannon R(cd # 38) is a prestressed concrete stringer/multi-beam or girder carrying Csah 3 over Little Cannon R(cd # 38) in Le Sueur County, Minnesota. It was built in 2005, so it is 20 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 446 vehicles a day, projected to reach 495 by 2041. The structure is 70 ft (21.2 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 3
CrossesLittle Cannon R(cd # 38)
Location0.5 MI N of JCT Csah 8
RouteCounty Highway 3
Coordinates44.30729, -93.5733
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.2 m)
Longest span68 ft (20.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2021)
Projected traffic495 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$798.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 3 over Little Cannon R(cd # 38) built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 3 over Little Cannon R(cd # 38) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Csah 3 over Little Cannon R(cd # 38) carry?

About 446 vehicles per day (2021 count).

How long is Csah 3 over Little Cannon R(cd # 38)?

The structure is 70 ft (21.2 m) long with a longest span of 68 ft (20.6 m) and a deck 39 ft wide.

Who owns Csah 3 over Little Cannon R(cd # 38)?

It is owned by the County Highway Agency.