C H 31 over Branch of Crow Creek
Bureau County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C H 31 over Branch of Crow Creek in Bureau 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 1958, making it 67 years old at the 2025 inventory.
- It carries about 425 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 173 of the 374 inventoried bridges in Bureau County rated fair (46.3%); 60 (16.0%) 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 → (41.18182, -89.54826)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 33 ft |
| Location | 6.0 Mi E Bradford |
| NBI structure number | 006500600000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Bureau County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 EB over Spring Creek | 2010 | 12,200 | Good |
| I-80 WB over Spring Creek | 2009 | 12,200 | Fair |
| I-80 EB over Il Railnet | 2010 | 12,200 | Fair |
| I-80 WB over Il Railnet | 2009 | 12,200 | Good |
| I-80 EB over Brush Creek & Tr 352 | 2011 | 11,450 | Fair |
| I-80 WB over Brush Creek & Tr 352 | 2010 | 11,450 | Good |
All bridges nearby: Bureau County, IL bridge conditions · every bridge in Bureau County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.