B20 300th ST over Spring Creek
Good Condition10 years old589 vehicles/day
Location
| State | Iowa |
| County | Cerro Gordo |
| Location | 0.5 Mi E Us65 |
| Carries | B20 300th ST |
| Crosses | Spring Creek |
| Coordinates | 43.19759, -93.20198 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 127.0 ft (38.7 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 390.9 sq m |
| Main Spans | 3 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 589 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000106751 |