US Bridges

CR 121 over Sauk River

Good

Stearns County, Minnesota · 0.3 MI N of JCT CR 138 · Structure no. 73561

Built
2000
25 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
2,100
2017 count
Owner
County
County Highway Agency

About this bridge

CR 121 over Sauk River is a prestressed concrete stringer/multi-beam or girder carrying CR 121 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 2,100 vehicles a day, projected to reach 2,100 by 2039. The structure is 182 ft (55.4 m) long and 49 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 121
CrossesSauk River
Location0.3 MI N of JCT CR 138
RouteCounty Highway 121
Coordinates45.53729, -94.29754
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.1 US tons
Inventory rating45.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length182 ft (55.4 m)
Longest span70 ft (21.4 m)
Deck width49 ft (14.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2017)
Projected traffic2,100 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CR 121 over Sauk River built?

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

What condition is CR 121 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 December 2024.

How much traffic does CR 121 over Sauk River carry?

About 2,100 vehicles per day (2017 count).

How long is CR 121 over Sauk River?

The structure is 182 ft (55.4 m) long with a longest span of 70 ft (21.4 m) and a deck 49 ft wide.

Who owns CR 121 over Sauk River?

It is owned by the County Highway Agency.