US Bridges

Mn 55 over Cp Rail

Fair

Stearns County, Minnesota · 1.8 MI NW of Paynesville · Structure no. 5441

Built
1936
89 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
4 main spans
Daily traffic
3,400
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 55 over Cp Rail is a prestressed concrete stringer/multi-beam or girder carrying Mn 55 over Cp Rail in Stearns County, Minnesota. It was built in 1936, so it is 89 years old, older 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 3,400 vehicles a day, roughly 9% of them trucks, projected to reach 3,400 by 2036. The structure is 195 ft (59.5 m) long and 46 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesMn 55
CrossesCp Rail
Location1.8 MI NW of Paynesville
RouteState Highway 55
Coordinates45.38583, -94.74739
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.2 US tons
Inventory rating37.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length195 ft (59.5 m)
Longest span48 ft (14.5 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2016)
Projected traffic3,400 by 2036
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed42.9 mi (69 km)
TollOn a free road
National Highway SystemNo

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 55 over Cp Rail built?

It was built in 1936, making it 89 years old in 2025.

What condition is Mn 55 over Cp Rail 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 October 2024.

How much traffic does Mn 55 over Cp Rail carry?

About 3,400 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Mn 55 over Cp Rail?

The structure is 195 ft (59.5 m) long with a longest span of 48 ft (14.5 m) and a deck 46 ft wide.

Who owns Mn 55 over Cp Rail?

It is owned by the State Highway Agency.