T 4380 over Third River
GoodPosted for loadItasca County, Minnesota · 2.5 MI E of W CO Line · Structure no. R0359
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 26 ft
- 1 main span
- Daily traffic
- 5
- 1993 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
T 4380 over Third River is a wood or timber stringer/multi-beam or girder carrying T 4380 over Third River in Itasca County, Minnesota. It was built in 1983, so it is 42 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. Its operating status is: posted for load restriction.
It carries about 5 vehicles a day, projected to reach 5 by 2029. The structure is 26 ft (7.9 m) long and 18 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 T 4380 over Third River built?
It was built in 1983, making it 42 years old in 2025.
What condition is T 4380 over Third 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 2023.
How much traffic does T 4380 over Third River carry?
About 5 vehicles per day (1993 count).
How long is T 4380 over Third River?
The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.
Who owns T 4380 over Third River?
It is owned by the State Park, Forest, or Reservation Agency.