Structure 8137 · Graham County, AZ
Carries W 8th Street over Union Canal, 0.3 Mi W Jct 20th AVE.
21 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a slab bridge.
| State | Arizona |
| County | Graham |
| Location | 0.3 Mi W Jct 20th AVE |
| Carries | W 8th Street |
| Crosses | Union Canal |
| Coordinates | 32.83139, -109.73842 |
| Material | Concrete |
| Design | Slab |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 72.3 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 2002) |
| Avg Daily Traffic | 3,700 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Last Inspection | September 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | 08137 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.