US Bridges

Mn 23 over Sauk River

Good

Stearns County, Minnesota · 0.2 MI W of TH 22 · Structure no. 73023

Built
1987
38 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
8,600
2015 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Sauk River is a prestressed concrete stringer/multi-beam or girder carrying Mn 23 over Sauk River in Stearns County, Minnesota. It was built in 1987, so it is 38 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 8,600 vehicles a day, roughly 7% of them trucks, projected to reach 8,600 by 2035. The structure is 180 ft (54.8 m) long and 83 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesMn 23
CrossesSauk River
Location0.2 MI W of TH 22
RouteState Highway 23
Coordinates45.44893, -94.52511
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.9 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length180 ft (54.8 m)
Longest span87 ft (26.6 m)
Deck width83 ft (25.4 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2015)
Projected traffic8,600 by 2035
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 23 over Sauk River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mn 23 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 August 2023.

How much traffic does Mn 23 over Sauk River carry?

About 8,600 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Mn 23 over Sauk River?

The structure is 180 ft (54.8 m) long with a longest span of 87 ft (26.6 m) and a deck 83 ft wide.

Who owns Mn 23 over Sauk River?

It is owned by the State Highway Agency.