Bridge Type
Main Span(s): Concrete [1] Arch - Thru [12]
Approach Span(s): Concrete [1] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 179.5 m = 588.9 ft
Main Spans: 4 at 33.5 m = 109.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 12.5 m = 41.0 ft (2 Lanes) and Out-To-Out: 14.8 m = 48.6 ft for a 11.3 m = 37.1 ft approaching roadway.
Vertical Clearance: 7.79 m = 25.6 ft and Navigational Clearance: 0 = N/A
Location
Norridgewock [49835]: Somerset County [025], Maine [23]
Owned by State Highway Agency [01], DOT District: 3
.2 MI N'LY OF JCT RTE 2
Condition
Deck: Very Good [8]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: M 18 / H 20 [4]
Operating: 65.8 metric ton = 72.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 34.7 metric ton = 38.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 11.6 km = 7.2 mi
Traffic
ADT: 5884 (2016) and Trucks: 5%
Future ADT: 8238 (In 2036
)
