SH 142 Ml over Rito Seco Creek
GoodCostilla County, Colorado · In San Luis · Structure no. P-15-D
- Built
- 1936
- 89 years old
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Steel
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 440
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 142 Ml over Rito Seco Creek is a steel culvert carrying SH 142 Ml over Rito Seco Creek in Costilla County, Colorado. It was built in 1936, so it is 89 years old, older 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 440 vehicles a day, roughly 5% of them trucks, projected to reach 506 by 2040. The structure is 36 ft (11 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 142 Ml over Rito Seco Creek built?
It was built in 1936, making it 89 years old in 2025.
What condition is SH 142 Ml over Rito Seco Creek 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 February 2025.
How much traffic does SH 142 Ml over Rito Seco Creek carry?
About 440 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SH 142 Ml over Rito Seco Creek?
The structure is 36 ft (11 m) long with a longest span of 16 ft (5 m) and a deck 35 ft wide.
Who owns SH 142 Ml over Rito Seco Creek?
It is owned by the State Highway Agency.