Highway 325 over Dam Spillway
Garfield County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Highway 325 over Dam Spillway in Garfield 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 1965, making it 60 years old at the 2025 inventory.
- It carries about 470 vehicles a day (traffic count year 2020).
- It is one of 46 of the 167 inventoried bridges in Garfield County rated good (27.5%); 2 (1.2%) are rated poor.
- 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 → (39.62722, -107.75722)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 27 ft |
| Location | Highway 325 Marker 4 |
| NBI structure number | 0403-4 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Garfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 70 Ml over Canyon Creek | 1971 | 33,000 | Fair |
| SH 82 Ml over I 70 Ml Colorado River | 2017 | 29,000 | Good |
| I 70 Ml over SH 82 Ml | 1970 | 24,000 | Fair |
| SH 82 Ml over Cattle Creek | 1967 | 23,000 | Good |
| I 70 Ml+front Rd over Allenwater Creek | 1982 | 20,000 | Fair |
| I 70 Ml Wbnd over County Road 134 | 1969 | 16,500 | Fair |
All bridges nearby: Garfield County, CO bridge conditions · every bridge in Garfield County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.