US Bridges

I 35 over BNSF RR

Fair

Carlton County, Minnesota · 0.2 MI S of JCT TH 210 · Structure no. 9467

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
9,950
2018 count
Owner
State
State Highway Agency

About this bridge

I 35 over BNSF RR is a steel continuous stringer/multi-beam or girder carrying I 35 over BNSF RR in Carlton County, Minnesota. It was built in 1966, so it is 59 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 9,950 vehicles a day, roughly 7% of them trucks, projected to reach 8,850 by 2038. The structure is 177 ft (53.8 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI 35
CrossesBNSF RR
Location0.2 MI S of JCT TH 210
RouteInterstate 35
CountyCarlton County
StateMinnesota
Coordinates46.66112, -92.48045
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length177 ft (53.8 m)
Longest span68 ft (20.7 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,950 (2018)
Projected traffic8,850 by 2038
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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$547 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 35 over BNSF RR built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 35 over BNSF RR 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 2024.

How much traffic does I 35 over BNSF RR carry?

About 9,950 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is I 35 over BNSF RR?

The structure is 177 ft (53.8 m) long with a longest span of 68 ft (20.7 m) and a deck 55 ft wide.

Who owns I 35 over BNSF RR?

It is owned by the State Highway Agency.