Ch 17 over Carter CR
McDonough County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ch 17 over Carter CR in McDonough County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1955, making it 70 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 85 of the 210 inventoried bridges in McDonough County rated fair (40.5%); 13 (6.2%) are rated poor.
- 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 → (40.32298, -90.56264)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | Sw-18-t4nr1w |
| NBI structure number | 055304200000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in McDonough County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 67 over Town Creek Fork | 1988 | 6,350 | Fair |
| NB US 67 over Farmers Fork | 2012 | 6,350 | Fair |
| SB US 67 over Farmers Fork | 2012 | 6,350 | Fair |
| SB US 67 over E Fork Lamoine River | 1988 | 6,050 | Fair |
| NB US 67 over E Fork Lamoine River | 1988 | 6,050 | Fair |
| SB US 67 over E Fork Crooked Creek | 1996 | 4,850 | Fair |
All bridges nearby: McDonough County, IL bridge conditions · every bridge in McDonough County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.