Hazelrigg Road over Deer Creek
Boone County, Indiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hazelrigg Road over Deer Creek in Boone County, Indiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1935 and reconstructed in 1965, making it 90 years old at the 2025 inventory.
- It carries about 230 vehicles a day (traffic count year 2017).
- Its listed owner is the county highway agency.
- It is one of 12 of the 292 inventoried bridges in Boone County rated poor (4.1%); 12 (4.1%) 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 September 2024, on a 12-month routine inspection cycle.
- 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 → (40.08302, -86.55442)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 26 ft |
| Location | 01.10 W of CR 350 W |
| NBI structure number | 0600068 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 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 Indiana department of transportation.
Busiest bridges in Boone County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Prairie Creek | 1948 | 73,132 | Fair |
| CR 100 Ehall-baker over I-65 Sb/nb | 1958 | 73,132 | Fair |
| I-65 over Prairie Creek | 2010 | 73,132 | Good |
| I-465 WB over Zionsville Road | 1967 | 57,399 | Fair |
| I-65 NB over Prairie Creek Trail | 2014 | 57,066 | Fair |
| I-65 SB over Prairie Creek Trail | 2014 | 57,066 | Fair |
All bridges nearby: Boone County, IN bridge conditions · every bridge in Boone County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.