SH 39 Nbl over Snake R.;am.falls Dam Br
Good Condition48 years old2,900 vehicles/day
Location
| State | Idaho |
| County | Power |
| Location | 1.1 W. American Falls |
| Carries | SH 39 Nbl |
| Crosses | Snake R.;am.falls Dam Br |
| Coordinates | 42.77908, -112.87503 |
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 | Stringer/Multi-beam |
| Total Length | 259.8 ft (79.2 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 1005.8 sq m |
| Main Spans | 5 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 2,900 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000014150 |