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Using scraps from tail section as a jacking bracket for girders at Pier 6. |
| Launching pit emptied out following removal of jacking equipment. |
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Eastbound bridge decking has progressed to Field Splice 3. |
| Rotating top of bearing device to insert anchor bolts. |
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Jacking girders down onto bearings at Pier 6. |
| Installing overhang brackets using homemade device. |
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Jacking girders transversely to proper alignment at Pier 6. |
| Underside of roadway expansion joint at Pier 1. |
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Neither rain, or snow or sleet....launching proceeds despite the weather conditions. |
| Pier 1 diaphragm prior to concrete placement. |
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Looking east at overall project on March 6, 2002. |
| Looking south from eastbound girders along the Iowa River. |
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Looking west along centerline of US 20 during westbound launch #4 (note differential deflection). |
| Jensen Construction Company crew gathered on the tugger beam following westbound launch #4 on March 11, 2002. |
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Looking up at workman tightening threadbar coupler. |
| Looking east at nose section approaching Pier 1. |
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Looking northeast at nose section approaching Pier 1. |
| Looking east from Pier 2 prior to nose touchdown (note differential deflection). |
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Looking west at girders showing deflection of westbound bridge during final launch. |
| Contractor monitoring girder position on rollers. |
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Two torches being used to cut off nose section following landing on Pier 1. |
| Unbolting nose section splice following landing on Pier 1. |
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Cutting off temporary piles in launching pit. Piles were extracted following capbeam removal. |
| Bald eagle circling above the launching pit during final launch on March 27, 2002. |
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Bald eagle framed by a crane in the launching pit on March 27, 2002. |
| Workman observing final snugging of jacking system. |
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Two bald eagles circling the launching pit on March 27, 2002. |
| Cutting off nose section following landing on Pier 1. |
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Larger nose section being lifted out above West Abutment. |
| Doug McDonald of the Iowa Department of Transportation. |
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Brian Blair of Jensen Construction - superintendent for the bridge project. |
| Notching edge of nose girder flange to clear guide roller at Pier 1. |
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Looking along the centerline of US 20 between the two bridges. |
| Partial Jensen crew following landing on Pier 1. |
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Checking girder position with respect to Centerline Bearing. |