US Bridges

Csah 4 over Sauk River

Good

Stearns County, Minnesota · 0.1 MI W of JCT CR 138 · Structure no. 73572

Built
2011
14 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
3 main spans
Daily traffic
22,200
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Sauk River is a prestressed concrete stringer/multi-beam or girder carrying Csah 4 over Sauk River in Stearns 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 22,200 vehicles a day, roughly 3% of them trucks, projected to reach 22,200 by 2039. The structure is 191 ft (58.3 m) long and 155 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 4
CrossesSauk River
Location0.1 MI W of JCT CR 138
RouteCounty Highway 4
Coordinates45.56922, -94.22603
Functional classUrban Minor Arterial

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 inspectionFebruary 2025
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 rating79.1 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length191 ft (58.3 m)
Longest span75 ft (22.9 m)
Deck width155 ft (47.1 m)
Roadway width125 ft (38 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,200 (2017)
Projected traffic22,200 by 2039
Trucks3%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 4 over Sauk River built?

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

What condition is Csah 4 over Sauk 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 February 2025.

How much traffic does Csah 4 over Sauk River carry?

About 22,200 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Csah 4 over Sauk River?

The structure is 191 ft (58.3 m) long with a longest span of 75 ft (22.9 m) and a deck 155 ft wide.

Who owns Csah 4 over Sauk River?

It is owned by the County Highway Agency.