US Bridges

Con 2489 over I 35 Ramps; Lake

Good

St. Louis County, Minnesota · At the E JCT TH 35; 2 · Structure no. 69102

Built
1983
42 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,642 ft
18 main spans
Daily traffic
4,500
1994 count
Owner
State
State Highway Agency

About this bridge

Con 2489 over I 35 Ramps; Lake is a steel continuous stringer/multi-beam or girder carrying Con 2489 over I 35 Ramps; 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 2,642 ft (805.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCon 2489
CrossesI 35 Ramps; Lake
LocationAt the E JCT TH 35; 2
RouteU.S. Route 2489
Coordinates46.74362, -92.15368
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
Deck8 Very GoodNo problems noted.
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 rating45.3 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHL 93
Structure length2,642 ft (805.3 m)
Longest span193 ft (58.8 m)
Deck width32 ft (9.9 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 and pedestrian
CrossesHighway, waterway and railroad
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 2489 over I 35 Ramps; Lake built?

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

What condition is Con 2489 over I 35 Ramps; 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 2489 over I 35 Ramps; Lake carry?

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

How long is Con 2489 over I 35 Ramps; Lake?

The structure is 2,642 ft (805.3 m) long with a longest span of 193 ft (58.8 m) and a deck 32 ft wide.

Who owns Con 2489 over I 35 Ramps; Lake?

It is owned by the State Highway Agency.