Township Rd No 197 over Middle Fork Plum Riv
Jo Daviess County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Township Rd No 197 over Middle Fork Plum Riv in Jo Daviess County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1919, making it 106 years old at the 2025 inventory.
- It carries about 75 vehicles a day (traffic count year 2021).
- Its listed owner is a town or township highway agency.
- It is one of 85 of the 192 inventoried bridges in Jo Daviess County rated fair (44.3%); 21 (10.9%) 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: deck 7 to 6, 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 → (42.28804, -90.02995)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 6 | Satisfactory condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete |
| Length | about 33 ft |
| Location | 4 Mi So Stockton |
| NBI structure number | 043315300000000 |
| 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 Jo Daviess County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 20 over Miss River Hwy RR | 1943 | 17,300 | Fair |
| US20 EB over Little Menominee Riv | 1965 | 10,900 | Fair |
| US20 WB over Little Menominee Riv | 1965 | 10,900 | Fair |
| US 20 WB over Menominee Rd | 1968 | 10,900 | Fair |
| US 20 EB over Menominee River | 1964 | 9,450 | Fair |
| US 20 WB over Menominee River | 1964 | 9,450 | Fair |
All bridges nearby: Jo Daviess County, IL bridge conditions · every bridge in Jo Daviess County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.