US Bridges

Con 5873 over I 35 Ramp; Lake

Good

St. Louis County, Minnesota · At the JCT TH 2; 35 · Structure no. 69101

Built
1983
42 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,426 ft
12 main spans
Daily traffic
4,500
1994 count
Owner
State
State Highway Agency

About this bridge

Con 5873 over I 35 Ramp; Lake is a steel continuous stringer/multi-beam or girder carrying Con 5873 over I 35 Ramp; Lake in St. Louis County, Minnesota. It was built in 1983, so it is 42 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 4,500 vehicles a day, projected to reach 4,500 by 2029. The structure is 1,426 ft (434.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCon 5873
CrossesI 35 Ramp; Lake
LocationAt the JCT TH 2; 35
RouteU.S. Route 5873
Coordinates46.74207, -92.15255
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHL 93
Structure length1,426 ft (434.7 m)
Longest span135 ft (41.1 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (1994)
Projected traffic4,500 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Con 5873 over I 35 Ramp; Lake built?

It was built in 1983, making it 42 years old in 2025.

What condition is Con 5873 over I 35 Ramp; Lake 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 Con 5873 over I 35 Ramp; Lake carry?

About 4,500 vehicles per day (1994 count).

How long is Con 5873 over I 35 Ramp; Lake?

The structure is 1,426 ft (434.7 m) long with a longest span of 135 ft (41.1 m) and a deck 26 ft wide.

Who owns Con 5873 over I 35 Ramp; Lake?

It is owned by the State Highway Agency.