David Thompson Brg over Kootenai River D/s Dam
Fair Condition59 years old100 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | Libby Dam Montana |
| Carries | David Thompson Brg |
| Crosses | Kootenai River D/s Dam |
| Coordinates | 48.40639, -115.31694 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 488.8 ft (149 m) |
| Max Span | 96.8 ft (29.5 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 1624.1 sq m |
| Main Spans | 5 |
| Year Built | 1967 (reconstructed 1982) |
Traffic
| Avg Daily Traffic | 100 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | Corps of Engineers |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | CEPNWSMT1SGLI01 |