Walnut St over Drainage
Wapello County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Walnut St over Drainage in Wapello 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 1998, making it 27 years old at the 2025 inventory.
- It carries about 232 vehicles a day (traffic count year 2022).
- Its listed owner is a city or municipal highway agency.
- It is one of 89 of the 190 inventoried bridges in Wapello County rated good (46.8%); 25 (13.2%) 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 → (40.91922, -92.22216)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 20 ft |
| Location | 071122600 |
| NBI structure number | 000000000004451 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Wapello County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 149 over Dm River Streets BNSF RR | 1964 | 18,200 | Fair |
| US 34 & 63 over Des Moines River | 2013 | 14,300 | Good |
| US 63 over Brown Creek | 1988 | 10,100 | Fair |
| US 63 NB over Stream | 1988 | 10,100 | Fair |
| US 34 over Drainage Ditch | 2005 | 9,600 | Good |
| Albia Rd over Kettle Creek | 1995 | 9,480 | Good |
All bridges nearby: Wapello County, IA bridge conditions · every bridge in Wapello County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.