Interlocken Loop S over W. Flatiron Crossing
GoodBroomfield County, Colorado · 400 Ft N. of Interlocken · Structure no. BFD-INTLW-W.FLT
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 154 ft
- 2 main spans
- Daily traffic
- 6,609
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Interlocken Loop S over W. Flatiron Crossing is a prestressed concrete continuous stringer/multi-beam or girder carrying Interlocken Loop S over W. Flatiron Crossing in Broomfield County, Colorado. It was built in 2000, so it is 25 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 6,609 vehicles a day, roughly 5% of them trucks, projected to reach 7,931 by 2042. The structure is 154 ft (46.9 m) long and 48 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interlocken Loop S over W. Flatiron Crossing built?
It was built in 2000, making it 25 years old in 2025.
What condition is Interlocken Loop S over W. Flatiron Crossing 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 January 2025.
How much traffic does Interlocken Loop S over W. Flatiron Crossing carry?
About 6,609 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Interlocken Loop S over W. Flatiron Crossing?
The structure is 154 ft (46.9 m) long with a longest span of 72 ft (21.9 m) and a deck 48 ft wide.
Who owns Interlocken Loop S over W. Flatiron Crossing?
It is owned by the City or Municipal Highway Agency.