Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 87.8 m = 288.1 ft
Main Spans: 2 at 16.8 m = 55.1 ft
Approach Spans: 2
Skew: 5
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 1.8 m = 5.9 ft
Location
Boothbay [06050]: Lincoln County [015], Maine [23]
Owned by State Highway Agency [01], DOT District: 2
1.4 MI E TOWNLINE
Condition
Deck: Good [7]
Superstructure: Serious [3]
Substructure: Fair [5]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 44.4 metric ton = 48.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 0 metric ton = 0.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
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: January 2018 [0118] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 16.1 km = 10.0 mi
Traffic
ADT: 1370 (2016) and Trucks: 5%
Future ADT: 2055 (In 2036
)