US 30b over Portneuf River;in Lava
Fair Condition64 years old2,500 vehicles/day
Location
| State | Idaho |
| County | Bannock |
| Location | In Lava Hot Springs |
| Carries | US 30b |
| Crosses | Portneuf River;in Lava |
| Coordinates | 42.62022, -112.01208 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 134 sq m |
| Main Spans | 1 |
| Year Built | 1962 (reconstructed 2008) |
Traffic
| Avg Daily Traffic | 2,500 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2021 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000013800 |