Mn 73 over BNSF RR
GoodSt. Louis County, Minnesota · 2.5 MI S of S JCT TH 169 · Structure no. 9232
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 1,300
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 73 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Mn 73 over BNSF RR in St. Louis County, Minnesota. It was built in 1958, so it is 67 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,300 vehicles a day, roughly 3% of them trucks, projected to reach 1,300 by 2039. The structure is 128 ft (38.9 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 73 over BNSF RR built?
It was built in 1958, making it 67 years old in 2025.
What condition is Mn 73 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 May 2023.
How much traffic does Mn 73 over BNSF RR carry?
About 1,300 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Mn 73 over BNSF RR?
The structure is 128 ft (38.9 m) long with a longest span of 43 ft (13 m) and a deck 35 ft wide.
Who owns Mn 73 over BNSF RR?
It is owned by the State Highway Agency.