US Bridges

Csah 24 over Mid Fk Zumbro River

Good

Dodge County, Minnesota · 0.1 MI N of JCT Csah 1 · Structure no. 93125

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
700
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Mid Fk Zumbro River is a concrete culvert carrying Csah 24 over Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 1975, so it is 50 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 700 vehicles a day, projected to reach 700 by 2039. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 24
CrossesMid Fk Zumbro River
Location0.1 MI N of JCT Csah 1
RouteCounty Highway 24
Coordinates44.15539, -93.00583
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2017)
Projected traffic700 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 Mid Fk Zumbro River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Csah 24 over Mid Fk Zumbro 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 August 2024.

How much traffic does Csah 24 over Mid Fk Zumbro River carry?

About 700 vehicles per day (2017 count).

How long is Csah 24 over Mid Fk Zumbro River?

The structure is 31 ft (9.3 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 24 over Mid Fk Zumbro River?

It is owned by the County Highway Agency.