These hides usually take us longer to find and make the grab than we would expect. Since this is only a little two-ton structure, you ought to be able to narrow down the possibilities very quickly. BE CAREFUL NOT TO BUMP YOUR HEAD! The container (replaced on 1/21/09 and again on 2/8/20) is a small, attractive Lock&Lock with a log, and room for some small items.
Suggestion: Rather than parking on Eagle Rd., Cliveden Drive is a safer choice. Look for the narrow, hedge-lined walk between house numbers 141 and 149 and park there.
Please put the cache back where you found it as I suspect local muggles play by the bridge. BRING A WRITING INSTRUMENT! No siggy, no smiley!