This is the 7474th most frequent Swedish word.
staffansbron
"Staffansbron" translates to "Staffan's bridge," referring to a specific bridge, likely named after someone called Staffan.
In this sentence, 'Staffansbron' is treated as a proper noun and refers to a specific location, namely a bridge.
Staffansbron är en berömd bro i centrum av staden.
The Staffan's Bridge is a famous bridge in the center of the town.
Here, 'Staffansbron' is again a proper noun and is used as part of a phrase indicating movement across a specific bridge.
Många promenerar över Staffansbron varje dag för att komma till arbete.
Many people walk across Staffan's Bridge every day to get to work.
This sentence uses 'Staffansbron' in spatial description, referring to the position of boats relative to the bridge.