I 380 NB over 15th & 16th Av SW
Fair Condition51 years old34,450 vehicles/day
Location
| State | Iowa |
| County | Linn |
| Location | 2.5 Mi. N Of Jct. US 30 |
| Carries | I 380 NB |
| Crosses | 15th & 16th Av SW |
| Coordinates | 41.96151, -91.67063 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 486.9 ft (148.4 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 55.4 ft (16.9 m) |
| Deck Area | 2508.0 sq m |
| Main Spans | 9 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 34,450 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000607060 |