T 310 over Marsh River
FairNorman County, Minnesota · 0.6 MI N of JCT TH 200 · Structure no. L6786
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 23
- 1986 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 310 over Marsh River is a concrete culvert carrying T 310 over Marsh River in Norman County, Minnesota. It was built in 1930, so it is 95 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 23 vehicles a day, projected to reach 23 by 2029. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 310 over Marsh River built?
It was built in 1930, making it 95 years old in 2025.
What condition is T 310 over Marsh River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does T 310 over Marsh River carry?
About 23 vehicles per day (1986 count).
How long is T 310 over Marsh River?
The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).
Who owns T 310 over Marsh River?
It is owned by the Town or Township Highway Agency.