T 99 over Whitney Brook
GoodMille Lacs County, Minnesota · 0.5 MI W of JCT TH 169 · Structure no. 91708
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected September 2022
- Type
- Culvert
- Concrete
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 14
- 1986 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 99 over Whitney Brook is a concrete culvert carrying T 99 over Whitney Brook in Mille Lacs County, Minnesota. It was built in 1978, so it is 47 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.
It carries about 14 vehicles a day, projected to reach 14 by 2029. The structure is 39 ft (12 m) long. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 99 over Whitney Brook built?
It was built in 1978, making it 47 years old in 2025.
What condition is T 99 over Whitney Brook 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 September 2022.
How much traffic does T 99 over Whitney Brook carry?
About 14 vehicles per day (1986 count).
How long is T 99 over Whitney Brook?
The structure is 39 ft (12 m) long with a longest span of 10 ft (3 m).
Who owns T 99 over Whitney Brook?
It is owned by the Town or Township Highway Agency.