Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 11.9 m = 39.0 ft
Main Spans: 1 at 10.7 m = 35.1 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 10.9 m = 35.8 ft (2 Lanes) and Out-To-Out: 18.2 m = 59.7 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Andover [01465]: Essex County [009], Massachusetts [25]
Owned by Town or Township Highway Agency [03], DOT District: 4
. 1 MILE EAST ST 28
Condition
Deck: Not Applicable [N]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design:
Operating: 45.3 metric ton = 49.8 tons (Allowable Stress(AS) [2])
Inventory: 22.6 metric ton = 24.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 2450 (2018) and Trucks: 5%
Future ADT: 3632 (In 2031
)