US Bridges

Csah 55 over Cp Rail

FairPosted for load

Ramsey County, Minnesota · 0.1 MI N of JCT Csah 31 · Structure no. 90409

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
5,000
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 55 over Cp Rail is a concrete continuous slab carrying Csah 55 over Cp Rail in Ramsey County, Minnesota. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 5,000 vehicles a day, projected to reach 5,000 by 2039. The structure is 110 ft (33.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 55
CrossesCp Rail
Location0.1 MI N of JCT Csah 31
RouteCounty Highway 55
Coordinates44.97871, -93.0964
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.4 m)
Longest span42 ft (12.9 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2017)
Projected traffic5,000 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$717 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 55 over Cp Rail built?

It was built in 1959, making it 66 years old in 2025.

What condition is Csah 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 August 2024.

How much traffic does Csah 55 over Cp Rail carry?

About 5,000 vehicles per day (2017 count).

How long is Csah 55 over Cp Rail?

The structure is 110 ft (33.4 m) long with a longest span of 42 ft (12.9 m) and a deck 42 ft wide.

Who owns Csah 55 over Cp Rail?

It is owned by the County Highway Agency.