County Road Z7 over Trinchera Creek
Good Condition38 years old124 vehicles/day
Location
| State | Colorado |
| County | Costilla |
| Location | 3.0 Mi SE Of SH 160 |
| Carries | County Road Z7 |
| Crosses | Trinchera Creek |
| Coordinates | 37.39436, -105.36825 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 26.6 ft (8.1 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 74.5 sq m |
| Main Spans | 1 |
| Year Built | 1988 (reconstructed 2018) |
Traffic
| Avg Daily Traffic | 124 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 325 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | CSZ7-S0.2-TRR |