Ch-9 over Little Bonpas Creek
Wabash County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ch-9 over Little Bonpas Creek in Wabash County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 32 of the 90 inventoried bridges in Wabash County rated fair (35.6%); 5 (5.6%) 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 February 2025, 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 → (38.55908, -87.8985)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 76 ft |
| Location | 1.5 Mi NW Lancaster |
| NBI structure number | 093301000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| 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 Wabash County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap-825 (ill-15) over Greathouse Creek | 1975 | 7,650 | Fair |
| Fap 827(ill-15) over Wabash River | 2010 | 6,800 | Fair |
| Fap-825 (ill-15) over Trib Coffee Creek | 1974 | 3,850 | Fair |
| Fap-825 (ill-15) over Trib Coffee Creek | 1974 | 3,850 | Fair |
| Fap 332 (il 1) over Crawfish Creek | 2016 | 3,500 | Good |
| Fap 332 (il 1) over Greathouse Creek | 2014 | 3,450 | Fair |
All bridges nearby: Wabash County, IL bridge conditions · every bridge in Wabash County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.