N. 18th Ave. over Linn Creek
Good Condition36 years old1,783 vehicles/day
Location
| State | Iowa |
| County | Marshall |
| Location | 084173000 |
| Carries | N. 18th Ave. |
| Crosses | Linn Creek |
| Coordinates | 42.05247, -92.88373 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 234.9 ft (71.6 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 66.9 ft (20.4 m) |
| Deck Area | 1460.6 sq m |
| Main Spans | 5 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 1,783 (2022) |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000363350 |