Dennis H. Mahan Memorial Bridge Project ID: 00055A- Iteration #32 (Thu, 7 Feb 2013, 10:42:45) Type of CostItemCost CalculationCost Material Cost (M)Carbon Steel Hollow Tube( kg) x ($6.30 per kg) x (2 Trusses) = $65, Connection Cost (C)(21 Joints) x (500.0 per joint) x (2 Trusses) = $21, Product Cost (P) x100x5 mm Carbon Steel Tube(%s per Product) =$1, x120x6 mm Carbon Steel Tube(%s per Product) =$1, x130x6 mm Carbon Steel Tube(%s per Product) =$1, x140x7 mm Carbon Steel Tube(%s per Product) =$1, x170x8 mm Carbon Steel Tube(%s per Product) =$1, x180x9 mm Carbon Steel Tube(%s per Product) =$1, Site Cost (S)Deck Cost(10 4-meter panels) x ($5, per panel) = $51, Excavation Cost(18,000 cubic meters) x ($1.00 per cubic meter) = $18, Abutment Cost(2 standard abutments) x ($4, per abutment) = $8, Pier Cost(1 20-meter pier) = $31, Cable Anchorage CostNo anchorages = $0.00 Total CostM + C + P + S$65, $21, $6, $109, = $201,360.71
Overview Lost Pratt Through truss bridge over Cache Creek on CR 57LocationYolo County, California Status Replaced by new bridge History Built 1932; rehabilitated 1955, replaced 2010DesignSteel Pratt Through truss Dimensions Length of largest span: ft. Total length: ft. Deck width: 12.1 ft. Vertical clearance above deck: 14.3 ft. Approximate latitude, longitude , (decimal degrees) 38°49'40" N, 122°10'58" W (degrees°minutes'seconds")Approximate UTM coordinates10/570936/ (zone/easting/northing)Elevation346 ft. above sea levelUSGS topographic mapGuindaInventory numbersCA 22C-74 (California bridge number) BH (Bridgehunter.com ID)Inspection (as of 12/2008)Deck condition rating: Serious (3 out of 9) Superstructure condition rating: Serious (3 out of 9) Substructure condition rating: Poor (4 out of 9) Appraisal: Structurally deficient Sufficiency rating: 2.0 (out of 100) Average daily traffic (as of 1978)50