US Bridges

I 35 over Sl;lc Rr; TH 194 NB

Fair

St. Louis County, Minnesota · 0.3 MI SW of JCT 5th Ave · Structure no. 69818S

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,732 ft
13 main spans
Daily traffic
14,756
2021 count
Owner
State
State Highway Agency

About this bridge

I 35 over Sl;lc Rr; TH 194 NB is a prestressed concrete continuous box beam or girders - multiple carrying I 35 over Sl;lc Rr; TH 194 NB in St. Louis County, Minnesota. It was built in 1985, so it is 40 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 6 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 14,756 vehicles a day, roughly 9% of them trucks, projected to reach 17,500 by 2041. The structure is 2,732 ft (832.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 35
CrossesSl;lc Rr; TH 194 NB
Location0.3 MI SW of JCT 5th Ave
RouteInterstate 35
Coordinates46.77714, -92.10854
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.6 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13 (+21 approach)
Design loadHS 20
Structure length2,732 ft (832.8 m)
Longest span164 ft (50 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,756 (2021)
Projected traffic17,500 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 35 over Sl;lc Rr; TH 194 NB built?

It was built in 1985, making it 40 years old in 2025.

What condition is I 35 over Sl;lc Rr; TH 194 NB 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 September 2024.

How much traffic does I 35 over Sl;lc Rr; TH 194 NB carry?

About 14,756 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I 35 over Sl;lc Rr; TH 194 NB?

The structure is 2,732 ft (832.8 m) long with a longest span of 164 ft (50 m) and a deck 42 ft wide.

Who owns I 35 over Sl;lc Rr; TH 194 NB?

It is owned by the State Highway Agency.