Moon Road over Black River
Fair Condition50 years old1,003 vehicles/day
Location
| State | Washington |
| County | Thurston |
| Location | 1. N Jct Sr12 |
| Carries | Moon Road |
| Crosses | Black River |
| Coordinates | 46.83882, -123.13928 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 203.1 ft (61.9 m) |
| Max Span | 74.1 ft (22.6 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 668.5 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 1,003 (2021) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 083520000000000 |