35' - Water is to the lowest portion of the downstream bridge at FM 622.
34' - Major lowland flooding occurs. Water is completely covering the new bridge.
28' - Major lowland flooding. Water is to the lowest portion of the new bridge. Low water crossings are inundated with several feet of water, likely cutting of residents.
22' - Water is to the lowest portions of the upstream FM 237 bridge over Twelvemile Creek.
21' - Moderate lowland flooding occurs, and cuts livestock off and potentially drowns them well away from the creek. Roads and low bridges near the creek may be flooded.
17' - Minor lowland flooding extends well into the flood plain, cutting off livestock. Roads and low bridges near creek may be flooded.
16' - Minor lowland flooding. Flooding of secondary roads and low bridges.
15' - Minor lowland flooding reaches secondary and primary roads and low bridges.
14' - Bankfull stage occurs. Flow reaches into the lowest flood plain.