Mo State Highway J over Clarence Cannon Dam
Good Condition43 years old1,573 vehicles/day
Location
| State | Missouri |
| County | Ralls |
| Location | Mark Twain Lake |
| Carries | Mo State Highway J |
| Crosses | Clarence Cannon Dam |
| Coordinates | 39.52420, -91.64361 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 364.8 ft (111.2 m) |
| Max Span | 59.7 ft (18.2 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 1245.4 sq m |
| Main Spans | 7 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 1,573 (2020) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | Corps of Engineers |
| Historical Significance | Historical significance is not determined |
| Structure Number | CEPLMSMO-000004 |