US 287 Ml over Lone Rock Draw
Baca County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 287 Ml over Lone Rock Draw in Baca County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1966 and reconstructed in 2009, making it 59 years old at the 2025 inventory.
- It carries about 2,900 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 20 of the 105 inventoried bridges in Baca County rated good (19.0%); 8 (7.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.32544, -102.61546)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 94 ft |
| Location | 24 Miles North of Okla S. |
| NBI structure number | O-26-E |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Baca County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 287 Ml over Cat Creek | 1985 | 6,000 | Good |
| SH 287 Ml over Draw | 2011 | 3,500 | Fair |
| US 287 Ml over Sand Creek | 1976 | 3,500 | Fair |
| US 287 Ml over Two Buttes Creek | 1992 | 3,500 | Fair |
| SH 287 Ml over Draw | 2011 | 3,500 | Good |
| US 287 Ml over South Horse Creek | 1976 | 3,000 | Fair |
All bridges nearby: Baca County, CO bridge conditions · every bridge in Baca County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.