8510: Blue Lake Ro over Milk Creek
Eagle County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 8510: Blue Lake Ro over Milk Creek in Eagle County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1995, making it 30 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2018).
- It is one of 88 of the 173 inventoried bridges in Eagle County rated fair (50.9%); 13 (7.5%) 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 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 → (39.75724, -106.75467)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 36 ft |
| Location | 5.0 mi from Hwy 131 |
| NBI structure number | 000000000L59272 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 Eagle County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 70 Ml over US Hwy 6/US Hwy 24 RR | 1970 | 33,000 | Fair |
| I 70 Ml over Gore Creek | 1970 | 33,000 | Fair |
| I 70 Ml Wbnd over Polk Creek | 2023 | 23,000 | Good |
| SH 82 Ml over Roaring Fork River | 1987 | 21,000 | Good |
| I 70F Spur over I 70A Ml | 1972 | 19,000 | Fair |
| I 70 Eagle Spur over Eagle River | 1972 | 19,000 | Fair |
All bridges nearby: Eagle County, CO bridge conditions · every bridge in Eagle County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.