US Bridges

Csah 28 over Stream

Good

Mower County, Minnesota · 0.1 MI E of JCT Csah 29 · Structure no. 50596

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
960
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 28 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Csah 28 over Stream in Mower County, Minnesota. It was built in 2017, so it is 8 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 960 vehicles a day, projected to reach 1,408 by 2040. The structure is 39 ft (11.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 28
CrossesStream
Location0.1 MI E of JCT Csah 29
RouteCounty Highway 28
Coordinates43.63763, -92.9697
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating77.2 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length39 ft (11.8 m)
Longest span36 ft (10.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2020)
Projected traffic1,408 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 28 over Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is Csah 28 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 August 2023.

How much traffic does Csah 28 over Stream carry?

About 960 vehicles per day (2020 count).

How long is Csah 28 over Stream?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (10.9 m) and a deck 39 ft wide.

Who owns Csah 28 over Stream?

It is owned by the County Highway Agency.