US Bridges

I 35 over I 35 NB Off Ramp

Fair

St. Louis County, Minnesota · 1.0 MI N of W JCT TH 2 · Structure no. 69851

Built
1965
60 years old, rebuilt 1993
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
169 ft
3 main spans
Daily traffic
35,500
2019 count
Owner
State
State Highway Agency

About this bridge

I 35 over I 35 NB Off Ramp is a steel continuous stringer/multi-beam or girder carrying I 35 over I 35 NB Off Ramp in St. Louis County, Minnesota. It was built in 1965 and reconstructed in 1993, so it is 60 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.

It carries about 35,500 vehicles a day, roughly 5% of them trucks, projected to reach 36,000 by 2039. The structure is 169 ft (51.5 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 35
CrossesI 35 NB Off Ramp
Location1.0 MI N of W JCT TH 2
RouteInterstate 35
CountySt. Louis County
StateMinnesota
Coordinates46.739, -92.18439
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span63 ft (19.2 m)
Deck width85 ft (25.8 m)
Roadway width78 ft (23.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,500 (2019)
Projected traffic36,000 by 2039
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 35 over I 35 NB Off Ramp built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1993.

What condition is I 35 over I 35 NB Off Ramp 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 July 2024.

How much traffic does I 35 over I 35 NB Off Ramp carry?

About 35,500 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is I 35 over I 35 NB Off Ramp?

The structure is 169 ft (51.5 m) long with a longest span of 63 ft (19.2 m) and a deck 85 ft wide.

Who owns I 35 over I 35 NB Off Ramp?

It is owned by the State Highway Agency.