Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          01-115-10-21  07-199704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  42%          33%                             
07-LA-134-0.0/R13.3                    Federal Project:                                 
                                     ACNH-P134(27)                                      
                                                                                        
                                                                                        
Progress payment No. 06            Payment period ending: 04-20-01                      
WEST COAST BRIDGE INC                                                                   
3701 MALLARD DRIVE                                                                      
BENICIA  CA 94510                                                                       
                                                                                        
                                                                                        
Escrow No.  01690                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       2,104,330.45      721,349.60                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention        2,104,330.45      721,349.60                      
5. Mobilization                         370,500.00            0.00                      
6. Total Work Completed    2,474,830.45                                                 
7. Deductions                                                                           
8. a.Contract Retentions               -109,660.39            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            2,365,170.06      721,349.60                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       109,660.00                                                  
12. Net Pymt. this Estimate                             721,349.60