Bridges of Allison, Iowa
| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID |
|---|
| NBI report | RIVER AVE | IOWA RIVER | 086191601 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1983 | -- | 81.0 | 226.1 | Good | 90.3 | 000000000004481 |
| NBI report | IA 175 | IOWA RIVER | 0.1 mi. W of Jct. SR S56 | Prestressed Stringer/Multi-beam or girder (5 spans) | -- | 1984 | -- | 97.1 | 451.1 | Fair | 95.6 | 000000000027241 |
| NBI report | IA 175 | SMALL NATURAL STREAM | 0.5 MILE EAST OF SR D41 | Concrete Culvert (2 spans) | -- | 1994 | -- | 12.1 | 24.9 | Good | 96.8 | 000000000027231 |