Stc 3750;middleton over Boise River
Good Condition22 years old11,000 vehicles/day
Location
| State | Idaho |
| County | Canyon |
| Location | 0.6 S. 0.3 E. Middleton |
| Carries | Stc 3750;middleton |
| Crosses | Boise River |
| Coordinates | 43.69622, -116.61283 |
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 | Stringer/Multi-beam |
| Total Length | 433.1 ft (132 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 2138.4 sq m |
| Main Spans | 5 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 11,000 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 48 months |
| Owner | Other Local Agencies |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000019726 |