bridge design |
201,000/mo |
$1.47 |
truss bridge design |
6,600/mo |
$1.60 |
bridge construction |
165,000/mo |
$2.86 |
bridge deck |
22,200/mo |
$1.82 |
yard bridges |
1,600/mo |
$1.01 |
wood bridges |
18,100/mo |
$1.14 |
bulkhead construction |
1,300/mo |
$2.62 |
toothpick bridge building |
1,600/mo |
$0.66 |
river bridge |
201,000/mo |
$0.90 |
balsa wood bridge design |
3,600/mo |
$1.23 |
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