US Bridges

Mn 23 over TH 55

Good

Stearns County, Minnesota · 0.25 MI N of Paynesville · Structure no. 73040

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
1 main span
Daily traffic
3,150
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over TH 55 is a prestressed concrete stringer/multi-beam or girder carrying Mn 23 over TH 55 in Stearns County, Minnesota. It was built in 2012, so it is 13 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 3,150 vehicles a day, roughly 12% of them trucks, projected to reach 3,050 by 2039. The structure is 145 ft (44.3 m) long and 45 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesMn 23
CrossesTH 55
Location0.25 MI N of Paynesville
RouteState Highway 23
Coordinates45.38221, -94.73371
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.8 US tons
Inventory rating61.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length145 ft (44.3 m)
Longest span142 ft (43.2 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2019)
Projected traffic3,050 by 2039
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 23 over TH 55 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Mn 23 over TH 55 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 October 2023.

How much traffic does Mn 23 over TH 55 carry?

About 3,150 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Mn 23 over TH 55?

The structure is 145 ft (44.3 m) long with a longest span of 142 ft (43.2 m) and a deck 45 ft wide.

Who owns Mn 23 over TH 55?

It is owned by the State Highway Agency.