Crego Road over Br of Somonauk Creek
DeKalb County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Crego Road over Br of Somonauk Creek in DeKalb County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2023, making it 2 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 103 of the 262 inventoried bridges in DeKalb County rated good (39.3%); 33 (12.6%) 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 → (41.76949, -88.73466)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 1 Mi E/il 23 N.us 30 |
| NBI structure number | 019202400000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in DeKalb County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-88 over Stream | 1972 | 24,900 | Fair |
| I-88 over Stream | 1972 | 24,900 | Good |
| I-88 over Stream | 1972 | 24,900 | Fair |
| Peace Rd over Br Kishwaukee River | 1995 | 15,000 | Fair |
| Annie Glidden Rd. over Watson Creek | 1971 | 13,600 | Poor |
| Peace Rd over Br Kishwaukee River | 1996 | 12,800 | Fair |
All bridges nearby: DeKalb County, IL bridge conditions · every bridge in DeKalb County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.