US 285 Ml over Estes ST
FairJefferson County, Colorado · Hampden .75 MI E of SH 39 · Structure no. F-16-RQ
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 124 ft
- 3 main spans
- Daily traffic
- 49,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 285 Ml over Estes ST is a prestressed concrete continuous box beam or girders - single or spread carrying US 285 Ml over Estes ST in Jefferson County, Colorado. It was built in 1991, so it is 34 years old, younger 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 49,000 vehicles a day, roughly 2% of them trucks, projected to reach 60,760 by 2040. The structure is 124 ft (37.8 m) long and 118 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 285 Ml over Estes ST built?
It was built in 1991, making it 34 years old in 2025.
What condition is US 285 Ml over Estes ST 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 May 2023.
How much traffic does US 285 Ml over Estes ST carry?
About 49,000 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is US 285 Ml over Estes ST?
The structure is 124 ft (37.8 m) long with a longest span of 66 ft (20.1 m) and a deck 118 ft wide.
Who owns US 285 Ml over Estes ST?
It is owned by the State Highway Agency.