M 85 over Midway River
PoorClosed to trafficSt. Louis County, Minnesota · 0.3 MI N of JCT TH 2 · Structure no. 88790
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 50
- 1986 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
M 85 over Midway River is a steel stringer/multi-beam or girder carrying M 85 over Midway River 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 3 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. Its operating status is: closed to all traffic.
It carries about 50 vehicles a day, projected to reach 50 by 2029. The structure is 30 ft (9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M 85 over Midway River built?
It was built in 1961, making it 64 years old in 2025.
What condition is M 85 over Midway River 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 October 2022.
How much traffic does M 85 over Midway River carry?
About 50 vehicles per day (1986 count).
How long is M 85 over Midway River?
The structure is 30 ft (9 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.
Who owns M 85 over Midway River?
It is owned by the City or Municipal Highway Agency.