Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 143.6 m = 471.2 ft
Main Spans: 3 at 51.8 m = 170.0 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 13.4 m = 44.0 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 3 m = 9.8 ft
Location
Madison [42660]: Somerset County [025], Maine [23]
Owned by State Highway Agency [01], DOT District: 3
MADISON ANSON TL
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 59.3 metric ton = 65.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 45.7 metric ton = 50.3 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: Meets minimum tolerable limits to be left in place as is [4]
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: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 6.6 km = 4.1 mi
Traffic
ADT: 7854 (2016) and Trucks: 5%
Future ADT: 10996 (In 2036
)