Ill 100 over Michael Creek
Calhoun County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ill 100 over Michael Creek in Calhoun County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 1,350 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 42 of the 81 inventoried bridges in Calhoun County rated good (51.9%); 4 (4.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.23602, -90.62221)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 75 ft |
| Location | In Michael M.p. 5.3 |
| NBI structure number | 007002200000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Calhoun County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Illinois 100 over Poor Farm Hollow Crk | 1996 | 3,400 | Good |
| Park St In Hardin over Geske Hollow Creek | 2006 | 3,250 | Good |
| Ill 100 over Godar Hollow Creek | 1996 | 2,300 | Good |
| Il 100 over Mccauley Rd Creek | 2002 | 1,750 | Good |
| Il 100 over Crater Creek | 1996 | 1,350 | Good |
| Il 100 over Crawford Creek | 2009 | 1,250 | Good |
All bridges nearby: Calhoun County, IL bridge conditions · every bridge in Calhoun County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.