US Bridges

Mn 33 over ST Louis R BNSF Rr; ST

Fair

Carlton County, Minnesota · 2.5 MI N of JCT TH 35 · Structure no. 09009

Built
1997
28 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
996 ft
10 main spans
Daily traffic
13,800
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 33 over ST Louis R BNSF Rr; ST is a prestressed concrete stringer/multi-beam or girder carrying Mn 33 over ST Louis R BNSF Rr; ST in Carlton County, Minnesota. It was built in 1997, so it is 28 years old, younger 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 13,800 vehicles a day, roughly 4% of them trucks, projected to reach 14,200 by 2038. The structure is 996 ft (303.5 m) long and 95 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMn 33
CrossesST Louis R BNSF Rr; ST
Location2.5 MI N of JCT TH 35
RouteState Highway 33
CountyCarlton County
StateMinnesota
Coordinates46.72444, -92.46211
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10 (+2 approach)
Design loadHS 25 or greater
Structure length996 ft (303.5 m)
Longest span104 ft (31.6 m)
Deck width95 ft (29 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2018)
Projected traffic14,200 by 2038
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 Mn 33 over ST Louis R BNSF Rr; ST built?

It was built in 1997, making it 28 years old in 2025.

What condition is Mn 33 over ST Louis R BNSF Rr; ST 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 June 2023.

How much traffic does Mn 33 over ST Louis R BNSF Rr; ST carry?

About 13,800 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Mn 33 over ST Louis R BNSF Rr; ST?

The structure is 996 ft (303.5 m) long with a longest span of 104 ft (31.6 m) and a deck 95 ft wide.

Who owns Mn 33 over ST Louis R BNSF Rr; ST?

It is owned by the State Highway Agency.