Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 355.7 m = 1167.1 ft
Main Spans: 1 at 15.9 m = 52.2 ft
Approach Spans: 78
Skew: 15
Width, Roadway: 5.5 m = 18.0 ft (2 Lanes) and Out-To-Out: 8.5 m = 27.9 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 3 m = 9.8 ft
Location
Harpswell [31390]: Cumberland County [005], Maine [23]
Owned by State Highway Agency [01], DOT District: 1
24 OVER WILLS STRAIT
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 63.2 metric ton = 69.5 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 48.6 metric ton = 53.5 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 16.1 km = 10.0 mi
Traffic
ADT: 2038 (2016) and Trucks: 5%
Future ADT: 2853 (In 2036
)
