SH 159 Ml over Culebra Creek
FairCostilla County, Colorado · S. Edge of San Luis · Structure no. P-15-C
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 800
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 159 Ml over Culebra Creek is a steel stringer/multi-beam or girder carrying SH 159 Ml over Culebra 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 fair condition with a lowest component rating of 5 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 800 vehicles a day, roughly 6% of them trucks, projected to reach 896 by 2040. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 159 Ml over Culebra Creek built?
It was built in 1936, making it 89 years old in 2025.
What condition is SH 159 Ml over Culebra Creek 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 2023.
How much traffic does SH 159 Ml over Culebra Creek carry?
About 800 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is SH 159 Ml over Culebra Creek?
The structure is 120 ft (36.6 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.
Who owns SH 159 Ml over Culebra Creek?
It is owned by the State Highway Agency.