Iris Ave over Elmers Two Mile Ditch
GoodBoulder County, Colorado · 0.15 MI W of US36/28th ST · Structure no. BOLD-40-IRISAVE
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 20 ft
- 1 main span
- Daily traffic
- 21,112
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Iris Ave over Elmers Two Mile Ditch is a concrete culvert carrying Iris Ave over Elmers Two Mile Ditch in Boulder County, Colorado. It was built in 2005, so it is 20 years old, younger than the Colorado average of 42.2 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 21,112 vehicles a day, roughly 4% of them trucks, projected to reach 25,334 by 2043. The structure is 20 ft (6.1 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Iris Ave over Elmers Two Mile Ditch built?
It was built in 2005, making it 20 years old in 2025.
What condition is Iris Ave over Elmers Two Mile Ditch 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 February 2025.
How much traffic does Iris Ave over Elmers Two Mile Ditch carry?
About 21,112 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Iris Ave over Elmers Two Mile Ditch?
The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 83 ft wide.
Who owns Iris Ave over Elmers Two Mile Ditch?
It is owned by the City or Municipal Highway Agency.