Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 79.6 m = 261.2 ft
Main Spans: 3 at 28 m = 91.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 10.1 m = 33.1 ft (2 Lanes) and Out-To-Out: 11 m = 36.1 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 5.5 m = 18.0 ft
Location
North Hero [50650]: Grand Isle County [013], Vermont [50]
Owned by State Highway Agency [01], DOT District: 8
4.5 MI W JCT. 314 S
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 0 metric ton = 0.0 tons (Allowable Stress(AS) [2])
Inventory: 0 metric ton = 0.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 2900 (2018) and Trucks: 9%
Future ADT: 3045 (In 2028
)
