SH 21 over Five Mile Creek
Fair Condition15 years old1,200 vehicles/day
Location
| State | Idaho |
| County | Boise |
| Location | 8.0 E. Lowman |
| Carries | SH 21 |
| Crosses | Five Mile Creek |
| Coordinates | 44.10069, -115.45644 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 128.0 ft (39 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 425.1 sq m |
| Main Spans | 1 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 1,200 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000012893 |