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Janssen & Spaans Engineering, Inc. is known throughout the United States as a leader and innovator in the bridge design profession. JSE is credited with innovative uses of steel and concrete in the design and construction of large, multi-span bridges with complex roadway geometries. Numerous local and national institutions and associations have recognized us for our outstanding road and bridge designs. Some of those awards are listed below: |
| ACEC National Awards of Excellence |
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2002 ACEC National Award
US 27 over Caloosahatchee Canal Moore Haven, Florida
This post-tensioned spliced concrete girder bridge is a value engineering project for the Florida DOT. JSE developed the design for the 3-span Channel Unit (210’ – 320’ – 210’) and provided construction assistance. The 320’ main span is a record length in the USA utilizing this type of construction. |
2001 ACEC National Award
US 231 over Ohio River
Maysville, Kentucky
JSE performed design calculations for the steel cable-stayed with a main span of 1050'. Both steel and concrete alternates with multiple span configurations were analyzed during the design process for this signature structure in Maysville, Kentucky.
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| Prestressed Concrete Institute National Awards of Excellence |
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1993 PCI National Award
US 23 over Shelby Creek
Pikeville, Kentucky
JSE produced an alternate design for the Kentucky DOT utilizing post-tensioned spliced I-beams. Due to height of columns (200’ max.) structure used double plate columns which eliminated the need for any falsework. 980’ long, 5 span post-tensioned precast concrete girder bridge. |
1986 PCI National Award
Ramp B over US 23
Pikesville, Kentucky
This precast segmental structure, erected with the balanced cantilever method is a prime example of what can be done with segmental construction at complicated site conditions. Not only was the structure erected over two other levels, the structure had a vertical curvature (+3.0,-5.0%) super elevated at 0.08'/ft., and horizontal curvature with a radius of 572.0'.
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