US Bridges

CR 79 over Des Moines River

Good

Jackson County, Minnesota · 1.5 MI N of JCT Csah 16 · Structure no. 32554

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
65
2016 count
Owner
County
County Highway Agency

About this bridge

CR 79 over Des Moines River is a prestressed concrete stringer/multi-beam or girder carrying CR 79 over Des Moines River in Jackson County, Minnesota. It was built in 2004, so it is 21 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 65 vehicles a day, projected to reach 65 by 2039. The structure is 173 ft (52.7 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 79
CrossesDes Moines River
Location1.5 MI N of JCT Csah 16
RouteCounty Highway 79
Coordinates43.72449, -95.05467
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.5 US tons
Inventory rating42.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length173 ft (52.7 m)
Longest span58 ft (17.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2016)
Projected traffic65 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 79 over Des Moines River built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR 79 over Des Moines 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 2024.

How much traffic does CR 79 over Des Moines River carry?

About 65 vehicles per day (2016 count).

How long is CR 79 over Des Moines River?

The structure is 173 ft (52.7 m) long with a longest span of 58 ft (17.6 m) and a deck 39 ft wide.

Who owns CR 79 over Des Moines River?

It is owned by the County Highway Agency.