A004_1570-011P Firehole River Bridge 1.pdf

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WY NPS YELL 10(23), Grand Loop Road - Old Faithful to West Thumb
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69056721R000008
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STRUCTURE LOAD RATING STRUCTURE NO. 1570-011P

FIREHOLE RIVER BRIDGE #1 INSPECTION DATE: 9/24/20

TRUCK TYPE

INVENTORY RATING (NORMAL TRAFFIC) OPERATING RATING (MAXIMUM LOAD)

TONS METRIC TONS TONS METRIC TONS

H 26 24 44 40

HS 35 32 58 53

TYPE 3 34 31 56 51

TYPE 3S2 43 39 72 65

TYPE 3-3 50 45 83 75

DESIGN LOADING: HS20 (MS18)

CAPACITY MEETS OR EXCEEDS DESIGN LOAD

X CAPACITY IS LESS THAN DESIGN LOAD

X ORIGINAL LOAD RATING CALCULATION APPLICABLE

ORIGINAL LOAD RATING CALCULATION REVISED

DATE OF LOAD RATING CALCULATION: 7/15

LOAD RATING CONTROLLED BY: SHEAR, SPAN #2 INTERIOR GIRDER

REMARKS: SEE BRIDGE FILE FOR LOAD RATING CALCULATIONS.

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