I 25 Ml over Pedestrian Underpass
FairAdams County, Colorado · Thornton · Structure no. E-17-FJ
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 154,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I 25 Ml over Pedestrian Underpass is a steel stringer/multi-beam or girder carrying I 25 Ml over Pedestrian Underpass in Adams County, Colorado. It was built in 1955, so it is 70 years old, older 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 6 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 154,000 vehicles a day, roughly 9% of them trucks, projected to reach 189,420 by 2040. The structure is 50 ft (15.2 m) long and 129 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 25 Ml over Pedestrian Underpass built?
It was built in 1955, making it 70 years old in 2025.
What condition is I 25 Ml over Pedestrian Underpass 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 July 2024.
How much traffic does I 25 Ml over Pedestrian Underpass carry?
About 154,000 vehicles per day (2020 count), of which roughly 9% are trucks.
How long is I 25 Ml over Pedestrian Underpass?
The structure is 50 ft (15.2 m) long with a longest span of 46 ft (13.9 m) and a deck 129 ft wide.
Who owns I 25 Ml over Pedestrian Underpass?
It is owned by the State Highway Agency.