SH 31 over Pine Creek
Fair Condition88 years old2,700 vehicles/day
Location
| State | Idaho |
| County | Bonneville |
| Location | 5 N. Swan Valley |
| Carries | SH 31 |
| Crosses | Pine Creek |
| Coordinates | 43.50911, -111.35236 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Steel |
| Design | Truss - Deck |
| Total Length | 532.2 ft (162.2 m) |
| Max Span | 290.0 ft (88.4 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 1508.5 sq m |
| Main Spans | 1 |
| Year Built | 1938 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 2,700 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000013835 |