Beaver Creek Bridge Pony truss bridge over Beaver Creek on W-17.5 176, 1.0 mi. east and 2.5 mi. north of Greenleaf Open to traffic Built ca. 1910
Beaver Creek Bridge Pony truss bridge over Beaver Creek on Y-16.6 183, 2.5 mi. west and 4.4 mi. north of Barnes Closed to all traffic Built ca. 1910
Bowman Creek Bridge Pony truss bridge over Bowman Creek on 7-E.9 12, 4.0 mi. north and 1.9 mi. east of Haddam Open to traffic Built ca. 1910
Branch Coon Creek Bridge Pony truss bridge over a branch of Coon Creek on T-22.3 236, 2.0 mi. west and 2.2 mi. south of Greenleaf Open to traffic Built ca. 1910
Branch Coon Creek Bridge Pony truss bridge over a branch of Coon Creek on U-24.4 240, 1.0 mi. west and 4.3 mi. south of Greenleaf Open to traffic Built 1912
Branch Mill Creek Bridge Pony truss bridge over a branch of Mill Creek on U.25-10.2 121, 3.4 mi. north and 3.2 mi. east of Washington Open to traffic Built ca. 1910
Branch Parsons Creek Bridge Pony truss bridge over a branch of Parsons Creek on G-18.7 147, 2.5 mi. east and 7.7 mi. south of Haddam Open to traffic Built ca. 1910
Branch Peats Creek Bridge Pony truss bridge over a branch of Peats Creek on M-27.8 290, 0.2 mi. west and 1.2 mi. south of Palmer Open to traffic Built 1938
Coon Creek Bridge Pony truss bridge over Coon Creek on W-23.8 245, 3.8 mi. south and 1.0 mi. east of Greenleaf Closed to all traffic
Devils Creek Bridge Pony truss bridge over Devils Creek on T-8.8 116, 7.3 mi. west and 0.4 mi. south of Hanover Open to traffic Built 1915
Dry Creek Bridge Pony truss bridge over Dry Creek on 27-B.4 264, 4.0 mi. north and 3.5 mi. west of Clifton Closed to all traffic Built ca. 1910
East Branch Parsons Creek Bridge Pony truss bridge over E. Branch Parsons Creek on 25-H.1 217, 1.5 mi. north and 5.3 mi. west of Palmer Open to traffic Built ca. 1920
East Branch Parsons Creek Bridge Pony truss bridge over E. Branch Parsons Creek on 24-H.4 219, 2.5 mi. north and 4.9 mi. west of Palmer Open to traffic Built ca. 1920
Iowa Creek Bridge Lost pony truss bridge over Iowa Creek on I-13.4 85, 1.7 mi. south and 2.5 mi. west of Morrowville No longer exists Built ca. 1910; replaced 2005
Mill Creek Bridge Pony truss bridge over Mill Creek on G-10.5 81, 0.5 mi. north and 2.5 mi. east of Haddam Open to traffic Built ca. 1910
Mill Creek Bridge Pony truss bridge over Mill Creek on 11.5-L.8 98, 0.2 mi. north and 1.3 mi. east of Morrowville Open to traffic
North Fork Mill Creek Bridge Pony truss bridge over North Fork Mill Creek on A-11.5 55, 3.6 mi. west and 0.5 mi. south of Haddam Open to traffic
North Fork Mill Creek Bridge Pony truss bridge over North Fork Mill Creek on C-11.8 63, 0.8 mi. south and 1.5 mi. west of Haddam Open to traffic Built ca. 1910
Parsons Creek Bridge Pony truss bridge over Parsons Creek on 20-F.25 145, 0.4 mi. east and 11.0 mi. north of Clifton Open to traffic Built ca. 1910
Parsons Creek Bridge Pony truss bridge over Parsons Creek on 23-G.4 213, 4.4 mi. east of Calderhead Open to traffic Built ca. 1910
Peats Creek Bridge Pony truss bridge over Peats Creek on 22-L.5 223, 0.8 mi. west and 4.5 mi. north of Palmer Open to traffic Built ca. 1910
Peats Creek Bridge Pony truss bridge over Peats Creek on 24-N.05 230, 0.8 mi. south and 2.1 mi. west of Linn Open to traffic Built ca. 1910
Peats Creek Bridge Pony truss bridge over Peats Creek on 25-M.99 228, 0.6 mi. west and 1.5 mi. north of Palmer Open to traffic Built 1905
Riddle Creek Bridge Pony truss bridge over Riddle Creek on 10-M.2 100, 1.7 mi. east and 1.8 mi. north of Morrowville Open to traffic Built ca. 1910
Salt Creek Bridge Pony truss bridge over Salt Creek on 10.5-K 93, 0.5 mi. west and 1.3 mi. north of Morrowville Open to traffic Built 1909
South Fork Mill Creek Bridge Pony truss bridge over South Fork Mill Creek on A-12.7 56, 1.6 mi. south and 3.5 mi. west of Haddam Closed to all traffic