Actually you can't really tell if a bidirectional link will function well based on one LQI figure alone, since it only tells you half the story... you need good reception at the near end (that's what LQI measures) along with good transmission (the remote side of the link needs to have good reception also).
Differences in antenna design/location and signal blockages and reflections mean that a good receiver doesn't always function as a good transmitter.
Luckily Zigbee repeaters swap status with each other periodically and take this into account when choosing routes; you get a better indication of reception/transmission on the path by looking at the reported in/out Cost figures; they're derived from the LQI measured at each end of the link.
Based on the outCost figures shown in the screenshot, two of the repeaters aren't useable for routing; the remaining three have good reception yet their transmissions are being indicated as weak at the remote end of the links. You might try relocating some of the repeaters; try one closer to the hub (even though that seems unnecessary) and see if the outCost figures improve (get lower, but non-zero).
Coincidentally this is being discussed in another thread: https://community.hubitat.com/t/help-with-zigbee-network-sengled-e1c-nb7/104176/42?u=tony
