US 24 Ml over Muley Gulch
Park County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 24 Ml over Muley Gulch in Park County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1937, making it 88 years old at the 2025 inventory.
- It carries about 3,300 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 34 of the 55 inventoried bridges in Park County rated fair (61.8%); 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 April 2023, 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 → (39.04491, -105.67633)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 24 ft |
| Location | 6.7 Mi S.E. of Jct SH 9 M |
| NBI structure number | H-14-A |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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.