5long Rapids Road over N Br Thunder Bay River
Poor Condition48 years old1,150 vehicles/day
Location
| State | Michigan |
| County | Alpena |
| Location | 9 Mi N W Of Alpena |
| Carries | 5long Rapids Road |
| Crosses | N Br Thunder Bay River |
| Coordinates | 45.12966, -83.58991 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 139.8 ft (42.6 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 430.3 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 1,150 (2010) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000343 |