Markets
| Airports | |
|---|---|
![]() | San Francisco International Airport Viaduct Retrofit - San Francisco, CAFlatiron seismically retrofitted 50 columns along the San Francisco International Airport's upper terminal viaduct. To reinforce the viaduct footings, Flatiron placed 1,200 cubic yards of concrete and 190 micro piles. Due to the limited overhead clearance in the terminal… |
| Bridges | |
I-35W (St. Anthony Falls) Bridge - Minneapolis, MinnesotaFollowing the tragic collapse of the I-35W Bridge in Minneapolis in August of 2007, Flatiron formed a joint venture team to design and build the replacement bridge for the Minnesota Department of Transportation. After receiving the highest score on the proposal and subsequently… | |
| Environmental | |
![]() | I-680 Wetlands Mitigation - Benicia, CAThis project included creating a new drainage channel, retention pond, and associated wetlands to replace those lost during the construction of the State's Benicia-Martinez Bridge. Flatiron delivered this project to the California Department of Transportation a full three… |
| Pavement Repair | |
![]() | Interstate 5 Panel Replacement - San Diego, CAThis interstate improvement project involved the rehabilitation of an 8.5-mile portion of Interstate 5. Flatiron rehabilitated approximately 70 lane miles of Interstate 5 through San Diego County in part by replacing damaged Portland Cement Concrete panels. Flatiron removed and replaced… |
| Public-Private Partnerships | |
Northwest Anthony Henday Drive (North Edmonton Ring Road) - Edmonton, AlbertaFlatiron is managing the team that is designing and constructing the northwest portion of a new ring road around the city of Edmonton, Alberta. The North Edmonton Ring Road, also called Northwest Anthony Henday Drive, is a new 21-kilometer (13-mile) section… | |
| Rail | |
![]() | Sprinter Mainline - Oceanside to Escondido, CAFlatiron built the new 22-mile Sprinter passenger rail in Oceanside, Calif. The passenger train has 15 stations and runs east/west along the Highway 78 corridor between Oceanside, Vista, San Marcos and Escondido. Flatiron converted an existing freight line to commuter… |
| Tunnels | |
![]() | I-90/I-93 Interchange - Boston, MAFlatiron reconstructed the intersection of Interstate 93 and the eastern terminus of Interstate 90. This $420 million six-year undertaking was comprised of three different types of work: viaducts, boat sections, and tunnels. Three jacked-box tunnels were constructed under… |
| Water/Wastewater | |
![]() | Genesee Dam and Reservoir - Kittredge, COThe Genesee Dam No. 2 is a roller compacted concrete dam comprised of 34,500 cubic yards of concrete and standing 102 feet tall. The project included an outlet structure, blasting quarry and an RCC processing plant. The RCC did not require the testing of slumps and breaks,… |





