Spr 4 over Middle River
GoodMarshall County, Minnesota · 0.2 MI W JCT Csah 39 · Structure no. 45572
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Wood or Timber
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 50
- 2009 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Spr 4 over Middle River is a wood or timber slab carrying Spr 4 over Middle River in Marshall County, Minnesota. It was built in 2007, so it is 18 years old, younger 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 90 ft (27.4 m) long and 17 ft wide. If it were closed, the detour would be 62.1 mi (100 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Spr 4 over Middle River built?
It was built in 2007, making it 18 years old in 2025.
What condition is Spr 4 over Middle River 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 October 2024.
How much traffic does Spr 4 over Middle River carry?
About 50 vehicles per day (2009 count).
How long is Spr 4 over Middle River?
The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 17 ft wide.
Who owns Spr 4 over Middle River?
It is owned by the State Park, Forest, or Reservation Agency.