198TH Place over Small Stream
Marion County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 198TH Place over Small Stream in Marion 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 1992, making it 33 years old at the 2025 inventory.
- It carries about 1,120 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 82 of the 217 inventoried bridges in Marion County rated good (37.8%); 28 (12.9%) 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 → (41.37282, -92.96194)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 20 ft |
| Location | 076182005 |
| NBI structure number | 000000000240391 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Marion County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR G28 over Ia 163 | 1994 | 10,500 | Good |
| Clark St over Ia 163 | 1994 | 6,400 | Fair |
| Idaho Dr over Ia 163 | 1994 | 5,322 | Good |
| SB Ia 5 & EB 92 over White Breast Creek | 1965 | 4,200 | Fair |
| NB Ia 5 & WB 92 over White Breast Creek | 1978 | 4,200 | Fair |
| Ia 92 EB & Ia 5 SB over 135TH Place | 1978 | 3,950 | Good |
All bridges nearby: Marion County, IA bridge conditions · every bridge in Marion County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.