US 52 over Twin Springs Creek
Good Condition48 years old930 vehicles/day
Location
| State | Iowa |
| County | Jackson |
| Location | 7.4 Mi. N Of Jct. Ia 64 |
| Carries | US 52 |
| Crosses | Twin Springs Creek |
| Coordinates | 42.13182, -90.28321 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 92.8 ft (28.3 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 407.5 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 930 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000030001 |