Diamond Hill Drive over Muddy Creek
Fair Condition49 years old1,957 vehicles/day
Location
| State | Oregon |
| County | Linn |
| Location | 017 Mi E Harrisburg |
| Carries | Diamond Hill Drive |
| Crosses | Muddy Creek |
| Coordinates | 44.28530, -123.12679 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 97.1 ft (29.6 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 322.6 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 1,957 (2021) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12423A001400168 |