CO Road 404 | Palm over Iron Gulch
FairDouglas County, Colorado · 2.8 MI East of SH 83 · Structure no. DOU404-10.10-A
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 474
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
CO Road 404 | Palm over Iron Gulch is a concrete culvert carrying CO Road 404 | Palm over Iron Gulch in Douglas County, Colorado. It was built in 1995, so it is 30 years old, younger 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 5 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 474 vehicles a day, roughly 4% of them trucks, projected to reach 635 by 2041. The structure is 21 ft (6.5 m) long and 37 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 8 Very Good | No problems noted. |
| Culvert | 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 CO Road 404 | Palm over Iron Gulch built?
It was built in 1995, making it 30 years old in 2025.
What condition is CO Road 404 | Palm over Iron Gulch 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 February 2025.
How much traffic does CO Road 404 | Palm over Iron Gulch carry?
About 474 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is CO Road 404 | Palm over Iron Gulch?
The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m) and a deck 37 ft wide.
Who owns CO Road 404 | Palm over Iron Gulch?
It is owned by the County Highway Agency.