SH 55 over High Line Canal
Fair Condition52 years old7,700 vehicles/day
Location
| State | Idaho |
| County | Canyon |
| Location | 4.5 N. Marsing |
| Carries | SH 55 |
| Crosses | High Line Canal |
| Coordinates | 43.60306, -116.78389 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 164.3 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 7,700 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000014685 |