Ill 64 over Drainage Ditch
Ogle County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ill 64 over Drainage Ditch in Ogle County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1933, making it 92 years old at the 2025 inventory.
- It carries about 3,900 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 172 of the 378 inventoried bridges in Ogle County rated fair (45.5%); 28 (7.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (42.00827, -89.27553)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | 3.0 Mi E Jct Ill 2 |
| NBI structure number | 071200400000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Ogle County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-39 & US 51 over Stream | 1981 | 32,800 | Fair |
| I 39 & US 51 over Kilbuck Creek Trib | 1981 | 32,800 | Fair |
| I-39 & US 51 over Stream | 1981 | 32,200 | Good |
| I-39 & US 51 over Stream | 1981 | 29,600 | Fair |
| I-39 & US 51 over Stream | 1981 | 29,600 | Fair |
| I-39 & US 51 over Stream | 1981 | 29,100 | Fair |
All bridges nearby: Ogle County, IL bridge conditions · every bridge in Ogle County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.