HWY 99 over Drainage Ditch
Fair Condition72 years old490 vehicles/day
Location
| State | Iowa |
| County | Louisa |
| Location | 074033608 |
| Carries | HWY 99 |
| Crosses | Drainage Ditch |
| Coordinates | 41.17350, -91.15124 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 90.4 sq m |
| Main Spans | 2 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 490 (2022) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000034190 |