US Bridges

Csah 23 over N Fork Zumbro River

Good

Rice County, Minnesota · 1.1 MI S of JCT TH 60 · Structure no. 66J58

Built
2013
12 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
610
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 23 over N Fork Zumbro River is a concrete culvert carrying Csah 23 over N Fork Zumbro River in Rice County, Minnesota. It was built in 2013, so it is 12 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 610 vehicles a day, projected to reach 890 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 23
CrossesN Fork Zumbro River
Location1.1 MI S of JCT TH 60
RouteCounty Highway 23
Coordinates44.26801, -93.16193
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2022
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2012)
Projected traffic890 by 2032
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 23 over N Fork Zumbro River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 23 over N Fork 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 May 2022.

How much traffic does Csah 23 over N Fork Zumbro River carry?

About 610 vehicles per day (2012 count).

How long is Csah 23 over N Fork Zumbro River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 23 over N Fork Zumbro River?

It is owned by the County Highway Agency.