US 285 Access Rd over N Fk S Platte River Ar
Park County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 285 Access Rd over N Fk S Platte River Ar in Park 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 1995, making it 30 years old at the 2025 inventory.
- It carries about 136 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 18 of the 55 inventoried bridges in Park County rated good (32.7%); 3 (5.5%) 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 August 2023, 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 → (39.41369, -105.51981)
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 | Prestressed concrete single box beam |
| Length | about 62 ft |
| Location | Moore Dale Road |
| NBI structure number | G-14-U |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| 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 Park County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 285 Ml over Deer Creek | 1958 | 14,000 | Fair |
| US 285 Ml over Middle Fk So Platte Rvr | 2024 | 8,000 | Good |
| US 285 Ml over Trout Creek | 1937 | 7,200 | Fair |
| US 285 Ml over N. Fork S. Platte River | 1962 | 6,400 | Fair |
| US 285 Ml over Geneva Creek | 1989 | 6,400 | Fair |
| US 285 Ml over N Fk South Platte Rvr | 1989 | 5,900 | Fair |
All bridges nearby: Park County, CO bridge conditions · every bridge in Park County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.