180TH St over Crane Creek River
Chickasaw County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 180TH St over Crane Creek River in Chickasaw County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2023, making it 2 years old at the 2025 inventory.
- It carries about 16 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 126 of the 304 inventoried bridges in Chickasaw County rated good (41.4%); 80 (26.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
- Its most recent inspection on record is dated March 2024, on a 48-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (43.09378, -92.17373)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 9 | Excellent condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 9 | Excellent condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 150 ft |
| Location | 096113208 |
| NBI structure number | 000000000112161 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Chickasaw County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 63 over Trib to Wapsipinicon | 2001 | 5,100 | Good |
| Ia 24 over Plum Creek | 2000 | 4,290 | Good |
| US 63 over E. Fk Wapsipinicon River | 1962 | 4,280 | Fair |
| US 63 over Spring Creek | 1971 | 4,280 | Fair |
| US 18 & Ia 346 over U.S. 63 | 2002 | 4,130 | Good |
| Ia 346 over Cedar River | 1984 | 3,340 | Fair |
All bridges nearby: Chickasaw County, IA bridge conditions · every bridge in Chickasaw County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.