County Road 346 over Mamm Creek
Fair Condition27 years old1,308 vehicles/day
Location
| State | Colorado |
| County | Garfield |
| Location | 300 Ft. South Of I-70 |
| Carries | County Road 346 |
| Crosses | Mamm Creek |
| Coordinates | 39.53061, -107.71364 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Slab |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 83.7 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 1,308 (2023) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | GAR346-03.10-A |