| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Branch of Lyon Creek Bridge | Bridge over Branch of Lyon Creek | Abandoned | Stone arch | -- | -- | -- | -- |
| Clark Creek Bridge | K-57 over Clark Creek | No longer exists | Pony truss | 1931 | 2000 | 89.9 ft. | 176.8 ft. |
| Clarks Creek Bridge | Minor Collector 9.4-X.5 over Clarks Creek | Closed to all traffic | Through truss | ca. 1910 | -- | 99.1 ft. | 101.0 ft. |
| Clarks Creek Bridge | Local Road 10.5-V.5 over Clarks Creek | Closed to all traffic | Pony truss | ca. 1910 | -- | 79.0 ft. | 127.9 ft. |
| Clarks Creek Bridge | Boller Road (13.4-J.8) over Clarks Creek | No longer exists | Pony truss | ca. 1930 | 2004 | 99.1 ft. | 138.1 ft. |
| Conroe Bridge | Ascher Road (12.6-L.7) over Clarks Creek | Open to traffic | Concrete pony arch | 1925 | -- | 100.0 ft. | 104.0 ft. |
| Lyon Creek Bridge | Lyons Creek Road (RS 1806) over Lyon Creek | Open to traffic | Concrete pony arch | 1925 | -- | 100.0 ft. | 103.0 ft. |
| Lyon Creek Bridge | Lyons Creek Road (RS 1806) over Lyon Creek | Open to traffic | Concrete pony arch | ca. 1930 | -- | 60.0 ft. | 63.0 ft. |
| Lyon Creek Bridge | Local Road 5.1-T.5 over Lyon Creek | Closed to all traffic | Pony truss | ca. 1910 | -- | 69.9 ft. | 133.8 ft. |
| McDowell Creek Bridge | Mineral Springs Road (17.2-K.2) over McDowell Creek | Open to traffic | Pony truss | ca. 1910 | -- | 78.1 ft. | 80.0 ft. |
| Old Katy Bridge | Otter Creek Road (6.6-S.1) over Lyon Creek | Open to traffic | Pratt through truss | 1913 | -- | 120.0 ft. | 140.1 ft. |
| Pump House Canyon Bridge | Huebner Road over Pump House Canyon | Open to traffic | Stone arch | 1903 | -- | -- | 23.9 ft. |
| State Lake Branch Bridge | Skiddy West Road (RS 1093) over Unnamed creek | Open to traffic | Stone arch | ca. 1910 | -- | 14.1 ft. | 32.1 ft. |
| Unnamed Creek Bridge | RS 1089 over Unnamed creek | Open to traffic | Arch | ca. 1940 | -- | 28.9 ft. | 29.8 ft. |
| Unnamed Creek Bridge | Local Road 4.7-J.0 over Unnamed creek | Open to traffic | Stone arch | ca. 1920 | -- | 23.0 ft. | 24.9 ft. |
| Unnamed Creek Bridge | Local Road 9.5-Y.0 over Unnamed creek | No longer exists | Pony truss | ca. 1930 | 2001 | 87.9 ft. | 89.9 ft. |
| Unnamed Creek Bridge | Local Road 19.7-U.6 over Unnamed creek | Open to traffic | Pony truss | ca. 1910 | -- | 49.9 ft. | 50.8 ft. |