Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Closed Grating [4] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 18 m = 59.1 ft
Main Spans: 1 at 17 m = 55.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7 m = 23.0 ft (2 Lanes) and Out-To-Out: 12.2 m = 40.0 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Newton [45560]: Middlesex County [017], Massachusetts [25]
Owned by Other State Agencies [21], DOT District: 6
0.28 MI NOTH OF RTE 9
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 58.8 metric ton = 64.7 tons (Load Factor(LF) [1])
Inventory: 35.2 metric ton = 38.7 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: Basically intolerable requiring high priority of corrrective action [3]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of relocation of road. [32]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 3000 (1997) and Trucks: 1%
Future ADT: 4738 (In 2031
)
