Ia 4 over Drainage Ditch #110
Greene County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ia 4 over Drainage Ditch #110 in Greene County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 1,950 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 61 of the 168 inventoried bridges in Greene County rated good (36.3%); 25 (14.9%) are rated poor.
- 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 → (42.14311, -94.37801)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 28 ft |
| Location | 7.5 mi. N of US 30 |
| NBI structure number | 000000000025711 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Greene County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 4 (N Elm St) over UP RR & Mckinley St | 2012 | 6,200 | Good |
| US 30 over UP RR & 222ND | 2017 | 4,970 | Good |
| US 30 over West Beaver Creek | 2017 | 4,970 | Good |
| US 30 over Little Beaver Creek | 2009 | 4,570 | Good |
| US 30 over Hardin Creek | 1957 | 4,230 | Fair |
| US 30 over Buttrick Creek | 1957 | 4,230 | Fair |
All bridges nearby: Greene County, IA bridge conditions · every bridge in Greene County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.