HWY North Rotary over ST 99 Sullivan Sq Undrps
Fair Condition75 years old14,870 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | 1.6 Km N Of N Wshngton ST |
| Carries | HWY North Rotary |
| Crosses | ST 99 Sullivan Sq Undrps |
| Coordinates | 42.38525, -71.07312 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 61.0 ft (18.6 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 64.6 ft (19.7 m) |
| Deck Area | 366.4 sq m |
| Main Spans | 1 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 14,870 (2024) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B1624537XMUNNBI |