Nfsr 350 over Trout Creek
Douglas County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfsr 350 over Trout Creek in Douglas 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 1992, making it 33 years old at the 2025 inventory.
- It carries about 123 vehicles a day (traffic count year 2013).
- It is one of 139 of the 264 inventoried bridges in Douglas County rated good (52.7%); 6 (2.3%) are rated poor.
- 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 → (39.1357, -105.10677)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 36 ft |
| Location | 0.1 Mi E of SH 67 |
| NBI structure number | 021209000001023 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Douglas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 25 Ml over Happy Canyon Creek | 1999 | 116,000 | Fair |
| I 25 Ml over Ridgegate Pkwy | 2008 | 116,000 | Fair |
| I 25 Ml over Clydesdale Ln | 1999 | 116,000 | Fair |
| SH 470 Ml over Willow Creek | 1984 | 95,000 | Fair |
| I 25 Nbnd Ramp over Ramp to County Line Rd R | 1983 | 85,500 | Fair |
| C470 EB Ramp to 25 over Lrt | 2005 | 85,500 | Fair |
All bridges nearby: Douglas County, CO bridge conditions · every bridge in Douglas County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.