Structure 90026300003 · Washington County, TN
Carries Nfa 2630 (sa 9009) over Onion Creek, E. Of Sr353.
Set by its lowest-rated component: Deck and Substructure at 5 of 9.
How ratings work23 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 multi-beam bridge.
| State | Tennessee |
| County | Washington |
| Location | E. Of Sr353 |
| Carries | Nfa 2630 (sa 9009) |
| Crosses | Onion Creek |
| Coordinates | 36.21103, -82.56815 |
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 23.3 ft (7.1 m) |
| Max Span | 16.7 ft (5.1 m) |
| Deck Width | 18.0 ft (5.5 m) |
| Deck Area | 39.0 sq m |
| Main Spans | 1 |
| Year Built | 1955 |
| Avg Daily Traffic | 442 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Last Inspection | May 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | 90026300003 |
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.