SH 14 Ml over Grizzly Creek
Jackson County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 14 Ml over Grizzly Creek in Jackson County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1949, making it 76 years old at the 2025 inventory.
- It carries about 1,300 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 32 of the 47 inventoried bridges in Jackson County rated fair (68.1%); 2 (4.3%) 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 September 2024, on a 24-month routine inspection cycle.
- 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 → (40.63574, -106.3952)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 84 ft |
| Location | 8.6 Miles West Jct SH 125 |
| NBI structure number | B-11-G |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Jackson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 125 Ml over Michigan River | 2012 | 2,400 | Good |
| SH 125 Ml over Illinois River | 1993 | 2,200 | Good |
| SH 14 Ml over Grizzly Creek | 1950 | 1,300 | Fair |
| SH 14 Ml over Colorado Creek | 1949 | 1,300 | Fair |
| SH 14 Ml over Arapahoe Creek | 1950 | 1,300 | Fair |
| SH 14 Ml over Grizzly Creek | 2005 | 1,300 | Good |
All bridges nearby: Jackson County, CO bridge conditions · every bridge in Jackson County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.