US Bridges

Csah 30 over Sauk River

Good

Stearns County, Minnesota · 0.5 MI W of JCT Csah 12 · Structure no. 73562

Built
2000
25 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
450
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Sauk River is a prestressed concrete stringer/multi-beam or girder carrying Csah 30 over Sauk River in Stearns County, Minnesota. It was built in 2000, so it is 25 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 450 vehicles a day, projected to reach 455 by 2039. The structure is 155 ft (47.3 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 30
CrossesSauk River
Location0.5 MI W of JCT Csah 12
RouteCounty Highway 30
Coordinates45.62558, -94.76104
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating43.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length155 ft (47.3 m)
Longest span52 ft (15.8 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2019)
Projected traffic455 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 30 over Sauk River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Csah 30 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 January 2025.

How much traffic does Csah 30 over Sauk River carry?

About 450 vehicles per day (2019 count).

How long is Csah 30 over Sauk River?

The structure is 155 ft (47.3 m) long with a longest span of 52 ft (15.8 m) and a deck 38 ft wide.

Who owns Csah 30 over Sauk River?

It is owned by the County Highway Agency.