I181 over Knob Creek
Fair Condition57 years old60,503 vehicles/day
Location
| State | Tennessee |
| County | Washington |
| Location | East Of Johnson City |
| Carries | I181 |
| Crosses | Knob Creek |
| Coordinates | 36.35493, -82.39784 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 193.9 sq m |
| Main Spans | 3 |
| Year Built | 1969 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 60,503 (2021) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 90I00260065 |