Fdr 504 over Narraguinnep Canyon
Fair Condition89 years old20 vehicles/day
Location
| State | Colorado |
| County | Dolores |
| Location | 11.6 Mi On Fdr 504 |
| Carries | Fdr 504 |
| Crosses | Narraguinnep Canyon |
| Coordinates | 37.65102, -108.72534 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 107.2 sq m |
| Main Spans | 1 |
| Year Built | 1937 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 20 (2003) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 021302000001171 |