U.S. Department of Transportation
Federal Highway Administration
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Washington, DC 20590
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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
| REPORT |
| This report is an archived publication and may contain dated technical, contact, and link information |
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| Publication Number: FHWA-HRT-15-058 Date: February 2017 |
Publication Number: FHWA-HRT-15-058 Date: February 2017 |
Figure 1. Equation. Federal Bridge Formula................................................................................. 5
Figure 2. Equation. Example calculation of the weight limit for a tandem axle using
the Federal Bridge Formula........................................................................................................... 5
Figure 3. Photo. Staggered bending plate installation and inductive loops.................................. 11
Figure 4. Photo. Inline configuration of load cell-based weight sensors...................................... 12
Figure 5. Photo. Double threshold WIM system setup with piezoquartz sensors......................... 13
