Birch Avenue over Happy Canyon Creek
Good Condition37 years old316 vehicles/day
Location
| State | Colorado |
| County | Douglas |
| Location | Just West Of 3rd ST |
| Carries | Birch Avenue |
| Crosses | Happy Canyon Creek |
| Coordinates | 39.53944, -104.82389 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 31.5 ft (9.6 m) |
| Deck Width | 20.7 ft (6.3 m) |
| Deck Area | 134.2 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 316 (2021) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | DOU08B-00.40 |