US Bridges

Csah 31 over BNSF Rr; Trails

Good

Ramsey County, Minnesota · 0.2 MI W of JCT TH 35E · Structure no. 6600

Built
1953
72 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
10,650
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 31 over BNSF Rr; Trails is a steel continuous stringer/multi-beam or girder carrying Csah 31 over BNSF Rr; Trails in Ramsey County, Minnesota. It was built in 1953, so it is 72 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,650 vehicles a day, projected to reach 13,329 by 2034. The structure is 220 ft (67.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 31
CrossesBNSF Rr; Trails
Location0.2 MI W of JCT TH 35E
RouteCounty Highway 31
Coordinates44.97678, -93.092
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.2 m)
Longest span106 ft (32.3 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,650 (2017)
Projected traffic13,329 by 2034
Trucks—
Lanes on structure2
Traffic directionOne-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 byRailroad
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 31 over BNSF Rr; Trails built?

It was built in 1953, making it 72 years old in 2025.

What condition is Csah 31 over BNSF Rr; Trails in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Csah 31 over BNSF Rr; Trails carry?

About 10,650 vehicles per day (2017 count).

How long is Csah 31 over BNSF Rr; Trails?

The structure is 220 ft (67.2 m) long with a longest span of 106 ft (32.3 m) and a deck 40 ft wide.

Who owns Csah 31 over BNSF Rr; Trails?

It is owned by the County Highway Agency and maintained by the Railroad.