Big Flat Road over Tennison Creek
Fair Condition96 years old50 vehicles/day
Location
| State | Idaho |
| County | Washington |
| Location | 11.8 S. 11.0 E. Midvale |
| Carries | Big Flat Road |
| Crosses | Tennison Creek |
| Coordinates | 44.30319, -116.51781 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 23.0 ft (7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 43.4 sq m |
| Main Spans | 1 |
| Year Built | 1930 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000028920 |