N 115th ST over Highland Ditch
GoodBoulder County, Colorado · 0.95 MI N of Vermillion R · Structure no. BC-3-2.3-IDA
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 435
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
N 115th ST over Highland Ditch is a concrete culvert carrying N 115th ST over Highland Ditch in Boulder County, Colorado. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 435 vehicles a day, roughly 16% of them trucks, projected to reach 522 by 2043. The structure is 23 ft (7 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N 115th ST over Highland Ditch built?
It was built in 2012, making it 13 years old in 2025.
What condition is N 115th ST over Highland 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 N 115th ST over Highland Ditch carry?
About 435 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is N 115th ST over Highland Ditch?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 35 ft wide.
Who owns N 115th ST over Highland Ditch?
It is owned by the County Highway Agency.