I40 over I40 / 21st. Street
Fair Condition61 years old139,697 vehicles/day
Location
| State | Tennessee |
| County | Knox |
| Location | In Knoxville |
| Carries | I40 |
| Crosses | I40 / 21st. Street |
| Coordinates | 35.96258, -83.94297 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 142.4 ft (43.4 m) |
| Max Span | 63.6 ft (19.4 m) |
| Deck Width | 131.9 ft (40.2 m) |
| Deck Area | 1744.7 sq m |
| Main Spans | 3 |
| Year Built | 1965 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 139,697 (2021) |
| Truck Traffic | 6% |
| Lanes On Bridge | 7 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 47I00400051 |