T 577 over Tamarac River
GoodMarshall County, Minnesota · 0.6 MI S of JCT Csah 5 · Structure no. 45555
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 120
- 1997 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 577 over Tamarac River is a concrete continuous slab carrying T 577 over Tamarac River in Marshall County, Minnesota. It was built in 1997, so it is 28 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 120 vehicles a day, projected to reach 120 by 2029. The structure is 123 ft (37.5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 577 over Tamarac River built?
It was built in 1997, making it 28 years old in 2025.
What condition is T 577 over Tamarac 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 November 2023.
How much traffic does T 577 over Tamarac River carry?
About 120 vehicles per day (1997 count).
How long is T 577 over Tamarac River?
The structure is 123 ft (37.5 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.
Who owns T 577 over Tamarac River?
It is owned by the Town or Township Highway Agency.