CR 100S over Prairie Creek
Boone County, Indiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 100S over Prairie Creek in Boone County, Indiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1920 and reconstructed in 1982, making it 105 years old at the 2025 inventory.
- It carries about 850 vehicles a day (traffic count year 2017).
- Its listed owner is the county highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.02539, -86.44016)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 34 ft |
| Location | 01.30 W CR 300 E |
| NBI structure number | 0600119 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
All bridges nearby: Boone County, IN bridge conditions · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.