SH 12 Ml over Colorado Canyon
Las Animas County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 12 Ml over Colorado Canyon in Las Animas County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 1,900 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 125 of the 205 inventoried bridges in Las Animas County rated fair (61.0%); 30 (14.6%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (37.15358, -104.54662)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | 2.5 Mi W of I-25 In Trini |
| NBI structure number | P-18-CB |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Las Animas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| County Road 20.8 over I 25 Ml | 1959 | 16,000 | Fair |
| I 25 Ramp over SB Onramp Frm Comm. St. | 2011 | 16,000 | Good |
| I 25 Nbnd Off Ramp over North Commercial Street | 2010 | 16,000 | Good |
| I 25 Ml over Arroyo | 1951 | 16,000 | Fair |
| I 25 Ml over Draw | 1969 | 12,000 | Fair |
| County Road 18.9 over I 25 Ml | 2022 | 12,000 | Good |
All bridges nearby: Las Animas County, CO bridge conditions · every bridge in Las Animas County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.