Hello to all.
The bridge was blown up by the Soviet troops in 1941.
Here you can see debris from the bridge and unidentified bronze debris from some mechanism. Possibly from the pump.
I'm asking for help identifying a bronze debris.
Thank you for your attention.

Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.
Relics of a blown up railway bridge.