US 285 Ml over Conejos Riv.Overflow
PoorConejos County, Colorado · 1.8 MI N. of Antonito · Structure no. P-12-A
- Built
- 1929
- 96 years old, rebuilt 1961
- Condition
- Poor
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 92 ft
- 3 main spans
- Daily traffic
- 3,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 285 Ml over Conejos Riv.Overflow is a steel stringer/multi-beam or girder carrying US 285 Ml over Conejos Riv.Overflow in Conejos County, Colorado. It was built in 1929 and reconstructed in 1961, so it is 96 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,200 vehicles a day, roughly 8% of them trucks, projected to reach 3,232 by 2040. The structure is 92 ft (28 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 285 Ml over Conejos Riv.Overflow built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1961.
What condition is US 285 Ml over Conejos Riv.Overflow in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does US 285 Ml over Conejos Riv.Overflow carry?
About 3,200 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is US 285 Ml over Conejos Riv.Overflow?
The structure is 92 ft (28 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.
Who owns US 285 Ml over Conejos Riv.Overflow?
It is owned by the State Highway Agency.