Il 117 over Walnut CR
Woodford County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Il 117 over Walnut CR in Woodford County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 8,700 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 139 of the 224 inventoried bridges in Woodford County rated fair (62.1%); 22 (9.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- 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 → (40.70332, -89.27263)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 128 ft |
| Location | 1.26 Mi S of US 24 |
| NBI structure number | 102008000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Woodford County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Rock Creek Tributary | 1965 | 28,400 | Fair |
| I 39/US 51 over Unnamed Stream | 1992 | 18,700 | Fair |
| I 39/US 51 over Unnamed Stream | 1992 | 18,700 | Fair |
| I 39/US 51 over Unnamed Stream | 1992 | 18,700 | Fair |
| I 39/US 51 over E Branch Panther Ck | 1992 | 16,200 | Fair |
| WB I-74 over Mackinaw River | 1964 | 14,200 | Poor |
All bridges nearby: Woodford County, IL bridge conditions · every bridge in Woodford County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.