I 25 Ml Nbnd over Flood Drainage
FairLarimer County, Colorado · 2.5 MI N of JCT SH 14 · Structure no. B-16-FD
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 44 ft
- 3 main spans
- Daily traffic
- 14,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 25 Ml Nbnd over Flood Drainage is a concrete culvert carrying I 25 Ml Nbnd over Flood Drainage in Larimer County, Colorado. It was built in 1950, so it is 75 years old, older than the Colorado average of 42.2 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 14,000 vehicles a day, roughly 19% of them trucks, projected to reach 21,560 by 2040. The structure is 44 ft (13.4 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 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 I 25 Ml Nbnd over Flood Drainage built?
It was built in 1950, making it 75 years old in 2025.
What condition is I 25 Ml Nbnd over Flood Drainage 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 May 2023.
How much traffic does I 25 Ml Nbnd over Flood Drainage carry?
About 14,000 vehicles per day (2020 count), of which roughly 19% are trucks.
How long is I 25 Ml Nbnd over Flood Drainage?
The structure is 44 ft (13.4 m) long with a longest span of 16 ft (4.9 m) and a deck 50 ft wide.
Who owns I 25 Ml Nbnd over Flood Drainage?
It is owned by the State Highway Agency.