Seibert Circle over Tallman Gulch
Fair Condition54 years old918 vehicles/day
Location
| State | Colorado |
| County | Douglas |
| Location | At Stonehenge |
| Carries | Seibert Circle |
| Crosses | Tallman Gulch |
| Coordinates | 39.51479, -104.75165 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 85.6 ft (26.1 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 261 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 918 (2021) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | PAR SIEBERT-0.2 |