US Bridges

Csah 29 over Stream

Good

Mower County, Minnesota · 0.1 MI S of JCT Csah 28 · Structure no. 50547

Built
1979
46 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
830
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 29 over Stream is a prestressed concrete tee beam carrying Csah 29 over Stream in Mower County, Minnesota. It was built in 1979, so it is 46 years old, older 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 830 vehicles a day, projected to reach 830 by 2039. The structure is 85 ft (25.8 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 29
CrossesStream
Location0.1 MI S of JCT Csah 28
RouteCounty Highway 29
Coordinates43.63633, -92.9698
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating35.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length85 ft (25.8 m)
Longest span82 ft (25 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2016)
Projected traffic830 by 2039
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 29 over Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is Csah 29 over Stream 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 June 2024.

How much traffic does Csah 29 over Stream carry?

About 830 vehicles per day (2016 count).

How long is Csah 29 over Stream?

The structure is 85 ft (25.8 m) long with a longest span of 82 ft (25 m) and a deck 48 ft wide.

Who owns Csah 29 over Stream?

It is owned by the County Highway Agency.