1. Colorado 88 (Federal Boulevard) over Lakewood Gulch south of Colfax Avenue in Denver: This bridge is part of the Regional Transportation District's west corridor and will be designed and constructed as part of FasTracks. Estimated cost: $8-10 million.

2. U.S. 6 over the Burlington Canal near I-76 in Adams County: This bridge is now under design, but funding has not been identified. Estimated cost: $600,000.

3. I-25 over U.S. 85 (South Santa Fe Drive): This project is under design, but funding is not available. Estimated cost: $55 million.

4. Colorado 58 over the railroad near Golden: This project in the early stages of construction. Cost: $8.5 million.

5. I-76 over the Union Pacific Railroad west of East 74th Avenue in Adams County: This project is under design and should go to construction in spring 2008. Estimated cost: $7 million.

6. Colorado 7 over the South Platte River west of U.S. 85 in Adams County: This project is under design and should go to construction in spring 2008. Estimated cost: $7-8 million.

7. U.S. 285 over Willow Springs Road and Turkey Creek Road: This project is under construction. Cost: $5.1 million.

8. Washington Street over Colorado 58 in Golden: This project is under design. Estimated Cost: $6 million.

9. 104th Avenue over I-25 in Northglenn: Design is under way, but funding has not been identified. Estimated cost: $20 million.

10. I-25 over the South Platte River near the Walnut Street viaduct in Denver: This project is under design, but no funding as been identified. Estimated Cost: $22 million.

Source: Colorado Department of Transportation