US Bridges

Mn 55 over Cp Rail

Fair

Hennepin County, Minnesota · 0.6 MI East of JCT TH 100 · Structure no. 5891

Built
1942
83 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
6 main spans
Daily traffic
27,500
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 55 over Cp Rail is a steel continuous stringer/multi-beam or girder carrying Mn 55 over Cp Rail in Hennepin County, Minnesota. It was built in 1942, so it is 83 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 5 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 27,500 vehicles a day, roughly 3% of them trucks, projected to reach 27,500 by 2036. The structure is 238 ft (72.4 m) long and 97 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMn 55
CrossesCp Rail
Location0.6 MI East of JCT TH 100
RouteState Highway 55
CountyHennepin County
StateMinnesota
Coordinates44.9843, -93.33767
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating32.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length238 ft (72.4 m)
Longest span39 ft (11.9 m)
Deck width97 ft (29.5 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2016)
Projected traffic27,500 by 2036
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 55 over Cp Rail built?

It was built in 1942, making it 83 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 June 2023.

How much traffic does Mn 55 over Cp Rail carry?

About 27,500 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Mn 55 over Cp Rail?

The structure is 238 ft (72.4 m) long with a longest span of 39 ft (11.9 m) and a deck 97 ft wide.

Who owns Mn 55 over Cp Rail?

It is owned by the State Highway Agency.