Fai-55 & Or 66 over Woods Run
Grundy County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fai-55 & Or 66 over Woods Run in Grundy County, Illinois, 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 1979, making it 46 years old at the 2025 inventory.
- It carries about 24,300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 97 of the 268 inventoried bridges in Grundy County rated good (36.2%); 76 (28.4%) 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 → (41.12979, -88.38208)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 24 ft |
| Location | 5.20 Mi S Gardner |
| NBI structure number | 032200400000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Grundy County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai 80 (EB & WB) over Fas285/ch5/ridge Rd | 2003 | 50,300 | Fair |
| Fai 080 (EB & WB) over Walley Run CR | 2003 | 39,100 | Good |
| Fai 80 (EB & WB) over Aux Sable Crk | 2003 | 39,100 | Fair |
| Fai 80 (EB & WB) over Collins Run Creek | 2003 | 39,100 | Good |
| I-55 over Brewster Run | 1979 | 22,900 | Good |
| Ill 47 over Armstrong & B & O RR | 1978 | 21,000 | Poor |
All bridges nearby: Grundy County, IL bridge conditions · every bridge in Grundy County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.