US Bridges

Csah 24 over Mid Fk Zumbro River

Good

Dodge County, Minnesota · 0.1 MI N of JCT Csah 22 · Structure no. 20559

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
856
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Mid Fk Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying Csah 24 over Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 856 vehicles a day, projected to reach 950 by 2041. The structure is 115 ft (34.9 m) long and 39 ft wide. 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 22
RouteCounty Highway 24
Coordinates44.14885, -92.83636
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating54.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (34.9 m)
Longest span113 ft (34.4 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic856 (2021)
Projected traffic950 by 2041
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 2011, making it 14 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 September 2023.

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

About 856 vehicles per day (2021 count).

How long is Csah 24 over Mid Fk Zumbro River?

The structure is 115 ft (34.9 m) long with a longest span of 113 ft (34.4 m) and a deck 39 ft wide.

Who owns Csah 24 over Mid Fk Zumbro River?

It is owned by the County Highway Agency.