US 53 over TH 37
PoorSt. Louis County, Minnesota · At the JCT TH 53; 37 · Structure no. 9493
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 4,700
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US 53 over TH 37 is a prestressed concrete stringer/multi-beam or girder carrying US 53 over TH 37 in St. Louis County, Minnesota. It was built in 1961, so it is 64 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 4,700 vehicles a day, roughly 9% of them trucks, projected to reach 5,700 by 2039. The structure is 145 ft (44.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 53 over TH 37 built?
It was built in 1961, making it 64 years old in 2025.
What condition is US 53 over TH 37 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does US 53 over TH 37 carry?
About 4,700 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is US 53 over TH 37?
The structure is 145 ft (44.3 m) long with a longest span of 70 ft (21.2 m) and a deck 38 ft wide.
Who owns US 53 over TH 37?
It is owned by the State Highway Agency.