US Bridges

Mn 23 over Mississippi R and ST

Fair

Stearns County, Minnesota · 0.7 MI W JCT US 10 · Structure no. 73014

Built
2008
17 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
889 ft
3 main spans
Daily traffic
33,071
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Mississippi R and ST is a steel continuous stringer/multi-beam or girder carrying Mn 23 over Mississippi R and ST in Stearns County, Minnesota. It was built in 2008, so it is 17 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 33,071 vehicles a day, roughly 6% of them trucks, projected to reach 31,000 by 2041. The structure is 889 ft (271 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 23
CrossesMississippi R and ST
Location0.7 MI W JCT US 10
RouteState Highway 23
Coordinates45.56133, -94.15176
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHL 93
Structure length889 ft (271 m)
Longest span345 ft (105.2 m)
Deck width89 ft (27.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,071 (2021)
Projected traffic31,000 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 Mississippi R and ST built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mn 23 over Mississippi R and ST 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 September 2024.

How much traffic does Mn 23 over Mississippi R and ST carry?

About 33,071 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Mn 23 over Mississippi R and ST?

The structure is 889 ft (271 m) long with a longest span of 345 ft (105.2 m) and a deck 89 ft wide.

Who owns Mn 23 over Mississippi R and ST?

It is owned by the State Highway Agency.