US Bridges

Csah 7 over Mid Fk Zumbro River

Good

Dodge County, Minnesota · 1.0 MI N of JCT Csah 24 · Structure no. 20563

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
300
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Mid Fk Zumbro River is a concrete continuous slab carrying Csah 7 over Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 2021, so it is 4 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 300 vehicles a day, projected to reach 406 by 2037. The structure is 95 ft (29.1 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 7
CrossesMid Fk Zumbro River
Location1.0 MI N of JCT Csah 24
RouteCounty Highway 7
Coordinates44.16684, -92.85886
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal 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 rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length95 ft (29.1 m)
Longest span38 ft (11.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2017)
Projected traffic406 by 2037
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 7 over Mid Fk Zumbro River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Csah 7 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 7 over Mid Fk Zumbro River carry?

About 300 vehicles per day (2017 count).

How long is Csah 7 over Mid Fk Zumbro River?

The structure is 95 ft (29.1 m) long with a longest span of 38 ft (11.6 m) and a deck 35 ft wide.

Who owns Csah 7 over Mid Fk Zumbro River?

It is owned by the County Highway Agency.