A004_1570-016P Isa Lake Bridge.pdf
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STRUCTURE LOAD RATING STRUCTURE NO. 1570-016P
ISA LAKE BRIDGE INSPECTION DATE: 9/22/20
TRUCK TYPE
INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)
TONS METRIC TONS TONS METRIC TONS
H 47 43 62 56
HS 54 49 71 64
TYPE 3 70 64 90 82
TYPE 3S2 79 72 102 93
TYPE 3-3 112 102 145 132
DESIGN LOADING: HL 93
X CAPACITY MEETS OR EXCEEDS DESIGN LOAD
CAPACITY IS LESS THAN DESIGN LOAD
X ORIGINAL LOAD RATING CALCULATION APPLICABLE
ORIGINAL LOAD RATING CALCULATION REVISED
DATE OF LOAD RATING CALCULATION: 7/16
LOAD RATING CONTROLLED BY: NEGATIVE MOMENT
REMARKS: HL 93 RATING FACTOR =1.14 (INVENTORY), 1.48 (OPERATING)
SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.
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