US Bridges

Csah 55 over BNSF RR

FairPosted for load

Ramsey County, Minnesota · 0.2 MI N of JCT Csah 31 · Structure no. 90408

Built
1952
73 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
143 ft
3 main spans
Daily traffic
5,000
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 55 over BNSF RR is a steel continuous stringer/multi-beam or girder carrying Csah 55 over BNSF RR in Ramsey County, Minnesota. It was built in 1952, so it is 73 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 143 ft (43.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 55
CrossesBNSF RR
Location0.2 MI N of JCT Csah 31
RouteCounty Highway 55
CountyRamsey County
StateMinnesota
Coordinates44.98061, -93.09639
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length143 ft (43.7 m)
Longest span54 ft (16.6 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 55 over BNSF RR built?

It was built in 1952, making it 73 years old in 2025.

What condition is Csah 55 over BNSF RR 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 May 2024.

How much traffic does Csah 55 over BNSF RR carry?

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

How long is Csah 55 over BNSF RR?

The structure is 143 ft (43.7 m) long with a longest span of 54 ft (16.6 m) and a deck 41 ft wide.

Who owns Csah 55 over BNSF RR?

It is owned by the County Highway Agency.