Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 20.4 m = 66.9 ft
Main Spans: 1 at 18.5 m = 60.7 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 7.1 m = 23.3 ft (2 Lanes) and Out-To-Out: 9.3 m = 30.5 ft for a 8.7 m = 28.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Billerica [05805]: Middlesex County [017], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 4
0.1 MI NE ANDOVER & SALEM
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 74.7 metric ton = 82.2 tons (Load Factor(LF) [1])
Inventory: 41.5 metric ton = 45.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 6207 (2019) and Trucks: 10%
Future ADT: 7581 (In 2032
)
