Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 27.1 m = 88.9 ft
Main Spans: 1 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 43
Width, Roadway: 23.5 m = 77.1 ft (4 Lanes) and Out-To-Out: 25 m = 82.0 ft for a 23.5 m = 77.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Medford [39835]: Middlesex County [017], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 4
RT 93 AT RT 28
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 55 metric ton = 60.5 tons (Load Factor(LF) [1])
Inventory: 33 metric ton = 36.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: November 2020 [1120] 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: 86770 (2013) and Trucks: 8%
Future ADT: 266902 (In 2031
)
