US Bridges

I 535 over BNSF RR

Good

St. Louis County, Minnesota · 0.6 MI S of JCT TH 35 · Structure no. 69810

Built
1969
56 years old, rebuilt 2024
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
218 ft
3 main spans
Daily traffic
28,098
2021 count
Owner
State
State Highway Agency

About this bridge

I 535 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying I 535 over BNSF RR in St. Louis County, Minnesota. It was built in 1969 and reconstructed in 2024, so it is 56 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,098 vehicles a day, roughly 6% of them trucks, projected to reach 32,500 by 2041. The structure is 218 ft (66.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 535
CrossesBNSF RR
Location0.6 MI S of JCT TH 35
RouteInterstate 535
Coordinates46.75864, -92.11142
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length218 ft (66.3 m)
Longest span85 ft (25.9 m)
Deck width80 ft (24.3 m)
Roadway width74 ft (22.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,098 (2021)
Projected traffic32,500 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$953 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 535 over BNSF RR built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2024.

What condition is I 535 over BNSF RR 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 July 2024.

How much traffic does I 535 over BNSF RR carry?

About 28,098 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I 535 over BNSF RR?

The structure is 218 ft (66.3 m) long with a longest span of 85 ft (25.9 m) and a deck 80 ft wide.

Who owns I 535 over BNSF RR?

It is owned by the State Highway Agency.