Jackson ST over Br. Upper Iowa River
Good Condition24 years old749 vehicles/day
Location
| State | Iowa |
| County | Howard |
| Location | 100122803 |
| Carries | Jackson ST |
| Crosses | Br. Upper Iowa River |
| Coordinates | 43.45083, -92.27624 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 37.1 ft (11.3 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 96.0 sq m |
| Main Spans | 3 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 749 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 422 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000007281 |