1. Strain Gauge: measures the amount of strain placed on a bridge structure.
2. Accelerometer: measures acceleration and vibration of a structure.
3. Load cell: measures the amount of force being applied to a bridge structure.
4. Displacement sensor: measures the displacement or movement of a structure.
5. Tiltmeter: measures the angle of inclination or tilting of a structure.
6. Inclinometer: measures the angle of inclination or tilt of a structure in a specific direction.
7. Crack gauge: measures the size and growth of any cracks in the bridge structure.
8. Temperature sensor: measures the temperature of the bridge structure and the surrounding environment.
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