Firth Road over Blackfoot Canal
Good Condition56 years old220 vehicles/day
Location
| State | Idaho |
| County | Bingham |
| Location | 0.3 N. 0.3 E. Firth |
| Carries | Firth Road |
| Crosses | Blackfoot Canal |
| Coordinates | 43.30828, -112.17844 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 94.6 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 220 (2023) |
| Truck Traffic | 50% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000022360 |