County Road 9 over Lake Fork
Lake County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 9 over Lake Fork in Lake County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2016, making it 9 years old at the 2025 inventory.
- It carries about 183 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 9 of the 17 inventoried bridges in Lake County rated good (52.9%); 2 (11.8%) 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 June 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 → (39.28151, -106.4431)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Aluminum or iron deck arch |
| Length | about 26 ft |
| Location | Near Inlet TurquoiseLk |
| NBI structure number | LAKE-09-1.7-4A |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 24 Ml over California Gulch | 2013 | 4,600 | Good |
| US 24 Ml over Lake Creek | 1993 | 4,200 | Good |
| US 24 Ml over UP RR | 1995 | 4,200 | Good |
| US 24 Ml over Arkansas River | 1995 | 4,200 | Fair |
| US 24 Ml over Draw | 1937 | 4,000 | Fair |
| US 24 Ml over East Fork Arkansas River | 2008 | 2,700 | Good |
All bridges nearby: Lake County, CO bridge conditions · every bridge in Lake County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.