US Bridges

Mn 23 over Sauk River

Fair

Stearns County, Minnesota · 4.9 MI E of JCT TH 22 · Structure no. 73022

Built
2003
22 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
16,400
2019 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 2003, so it is 22 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,400 vehicles a day, roughly 7% of them trucks, projected to reach 15,400 by 2039. The structure is 213 ft (65 m) long and 93 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

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CarriesMn 23
CrossesSauk River
Location4.9 MI E of JCT TH 22
RouteState Highway 23
CountyStearns County
StateMinnesota
Coordinates45.45309, -94.42336
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length213 ft (65 m)
Longest span102 ft (31 m)
Deck width93 ft (28.3 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2019)
Projected traffic15,400 by 2039
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed29.2 mi (47 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 2003, making it 22 years old in 2025.

What condition is Mn 23 over Sauk River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Mn 23 over Sauk River carry?

About 16,400 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Mn 23 over Sauk River?

The structure is 213 ft (65 m) long with a longest span of 102 ft (31 m) and a deck 93 ft wide.

Who owns Mn 23 over Sauk River?

It is owned by the State Highway Agency.