US Bridges

Csah 7 over Zumbro River

Good

Wabasha County, Minnesota · 2.2 MI W of JCT TH 63 · Structure no. 79550

Built
2011
14 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
398 ft
3 main spans
Daily traffic
520
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying Csah 7 over Zumbro River in Wabasha 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 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 520 vehicles a day, projected to reach 530 by 2038. The structure is 398 ft (121.2 m) long and 39 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCsah 7
CrossesZumbro River
Location2.2 MI W of JCT TH 63
RouteCounty Highway 7
Coordinates44.2336, -92.48157
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating49.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length398 ft (121.2 m)
Longest span132 ft (40.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2018)
Projected traffic530 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 7 over Zumbro River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Csah 7 over 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 October 2024.

How much traffic does Csah 7 over Zumbro River carry?

About 520 vehicles per day (2018 count).

How long is Csah 7 over Zumbro River?

The structure is 398 ft (121.2 m) long with a longest span of 132 ft (40.1 m) and a deck 39 ft wide.

Who owns Csah 7 over Zumbro River?

It is owned by the County Highway Agency.