SB I-25 over NWP/E470
GoodBroomfield County, Colorado · Just South of 160th Ave · Structure no. E-17-ZP
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected March 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 253 ft
- 2 main spans
- Daily traffic
- 54,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-25 over NWP/E470 is a prestressed concrete continuous stringer/multi-beam or girder carrying SB I-25 over NWP/E470 in Broomfield County, Colorado. It was built in 2003, so it is 22 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 54,000 vehicles a day, roughly 8% of them trucks, projected to reach 78,300 by 2040. The structure is 253 ft (77 m) long and 58 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB I-25 over NWP/E470 built?
It was built in 2003, making it 22 years old in 2025.
What condition is SB I-25 over NWP/E470 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 March 2025.
How much traffic does SB I-25 over NWP/E470 carry?
About 54,000 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is SB I-25 over NWP/E470?
The structure is 253 ft (77 m) long with a longest span of 121 ft (37 m) and a deck 58 ft wide.
Who owns SB I-25 over NWP/E470?
It is owned by the State Highway Agency.