The contents are as follows.
(i) Archway Bridge at Highgate, correspondence, 1811-1812, 1817 (folio 1);
(ii) Boston, draft report, estimate, and letter, 1800, 1811 (folio 31);
(iii) Bridge of Earn, letters, 1820-1821, and plan, undated (folio 38);
(iv) Carlisle, letter, 1812 (folio 43);
(v) Chepstow, letters, 1811-1812 (folio 45);
(vi) Conway and Menai, papers, reports, and correspondence relating to these bridges in particular, and to improvements to the road to Holyhead in general, 1783-1786, 1801-1814, 1810-1811 (folio 49);