US Bridges

Csah 24 over Little Cannon River

Good

Goodhue County, Minnesota · 2.5 MI SW of JCT TH 52 · Structure no. 25554

Built
1983
42 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
3 main spans
Daily traffic
600
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Little Cannon River is a steel continuous stringer/multi-beam or girder carrying Csah 24 over Little Cannon River in Goodhue County, Minnesota. It was built in 1983, so it is 42 years old, older 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 600 vehicles a day, projected to reach 540 by 2039. The structure is 190 ft (57.8 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 24
CrossesLittle Cannon River
Location2.5 MI SW of JCT TH 52
RouteCounty Highway 24
Coordinates44.47026, -92.93386
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.8 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2019)
Projected traffic540 by 2039
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

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 24 over Little Cannon River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Csah 24 over Little Cannon River 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 November 2023.

How much traffic does Csah 24 over Little Cannon River carry?

About 600 vehicles per day (2019 count).

How long is Csah 24 over Little Cannon River?

The structure is 190 ft (57.8 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns Csah 24 over Little Cannon River?

It is owned by the County Highway Agency.