I 93 NB over HWY W Fourth ST
Fair Condition24 years old82,300 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | B16661b Unit 1 |
| Carries | I 93 NB |
| Crosses | HWY W Fourth ST |
| Coordinates | 42.34284, -71.06179 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Segmental Box Girder |
| Total Length | 618.8 ft (188.6 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 54.1 ft (16.5 m) |
| Deck Area | 3111.9 sq m |
| Main Spans | 5 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 82,300 (2019) |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B166618R0DOTNBI |