US Bridges

Csah 51 over BNSF RR

FairPosted for load

Ramsey County, Minnesota · 0.8 MI N of Univ Ave · Structure no. 5583

Built
1936
89 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
5 main spans
Daily traffic
21,700
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 51 over BNSF RR is a steel continuous stringer/multi-beam or girder carrying Csah 51 over BNSF RR in Ramsey 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 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 21,700 vehicles a day, projected to reach 23,700 by 2038. The structure is 251 ft (76.6 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCsah 51
CrossesBNSF RR
Location0.8 MI N of Univ Ave
RouteCounty Highway 51
CountyRamsey County
StateMinnesota
Coordinates44.96741, -93.14659
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.6 US tons
Inventory rating18.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length251 ft (76.6 m)
Longest span66 ft (20.1 m)
Deck width62 ft (19 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2018)
Projected traffic23,700 by 2038
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 51 over BNSF RR built?

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

What condition is Csah 51 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 October 2024.

How much traffic does Csah 51 over BNSF RR carry?

About 21,700 vehicles per day (2018 count).

How long is Csah 51 over BNSF RR?

The structure is 251 ft (76.6 m) long with a longest span of 66 ft (20.1 m) and a deck 62 ft wide.

Who owns Csah 51 over BNSF RR?

It is owned by the County Highway Agency.