Stc 1843; Firth RD over Snake River;firth Bridge
Fair Condition23 years old510 vehicles/day
Location
| State | Idaho |
| County | Bingham |
| Location | 0.5 N. 0.3 E. Firth |
| Carries | Stc 1843; Firth RD |
| Crosses | Snake River;firth Bridge |
| Coordinates | 43.31303, -112.18406 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 419.0 ft (127.7 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 1557.9 sq m |
| Main Spans | 4 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 510 (2023) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2021 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000019246 |