Tr 186 over Panther CR
Woodford County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 186 over Panther CR in Woodford County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2020).
- Its listed owner is a town or township 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 class is unchanged from 2024 (fair), but component ratings moved: superstructure 7 to 6.
- Its most recent inspection on record is dated September 2024, 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 → (40.75108, -89.13994)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 27 ft |
| Location | 1.5 Mi. N. Ill 24 |
| NBI structure number | 102317300000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.