Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 29.9 m = 98.1 ft
Main Spans: 1 at 29.6 m = 97.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5 m = 16.4 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 3.56 m = 11.7 ft and Navigational Clearance: 0 = N/A
Location
Harrison [31600]: Cumberland County [005], Maine [23]
Owned by State Highway Agency [01], DOT District: 1
0.4 MI E OF JCT UPTON RD
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 18.8 metric ton = 20.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 14.6 metric ton = 16.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 240 (2016) and Trucks: 5%
Future ADT: 384 (In 2036
)
