Bridge conditions in Park County, Colorado
55 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Park County tracks close to typical: 3 of its 55 inventoried bridges (5.5%) are rated poor, against a national rate of about 7%.
- 3 of the 55 bridges in Park County, Colorado, are rated in poor condition (5.5%) in the 2025 National Bridge Inventory, as of .
- 18 bridges (32.7%) are rated good and 34 (61.8%) fair.
- The median Park County bridge was built in 1977.
- The busiest poor-rated bridge is US 24 Ml over Middle Fk S.platte Rvr (built 1937), carrying about 3,300 vehicles a day.
Good 32.7% · Fair 61.8% · Poor 5.5% of 55 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 24 Ml over Middle Fk S.platte Rvr | 1937 | 3,300 | Poor |
| County Road 64 over N Fork South Platte Rive | 1960 | 1,401 | Poor |
| Nfsr 96 over So. Platte River | 1923 | 200 | Poor |
Busiest bridges in the 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 |
| US 285 Ml over N Fk South Platte Rvr | 1995 | 5,900 | Good |
| US 285 Ml over Four Mile Creek | 1937 | 5,900 | Fair |
| Nbnd US 285 over County Road 72 | 2012 | 4,050 | Good |
| Sbnd US 285 over County Road 72 | 2012 | 4,050 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Colorado: Colorado bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.