CR 600N over Gretzinger Ditch
Noble County, Indiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 600N over Gretzinger Ditch in Noble 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 1920 and reconstructed in 1974, making it 105 years old at the 2025 inventory.
- It carries about 1,840 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 6 of the 88 inventoried bridges in Noble County rated poor (6.8%); 6 (6.8%) are rated poor.
- 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 → (41.43807, -85.34647)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 28 ft |
| Location | 00.01 E of CR 400 E |
| NBI structure number | 5700017 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Noble County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 6 over Bixler Lake Ditch | 2007 | 15,485 | Good |
| SR 3 over Bixler Lake Ditch | 1971 | 11,119 | Fair |
| SR 5 over Elkhart River | 1988 | 7,921 | Fair |
| US 33 over Mud Run | 1953 | 7,153 | Fair |
| SR 3 NB over CSX RR | 1990 | 7,012 | Fair |
| SR 3 SB over CSX RR | 1990 | 7,012 | Fair |
All bridges nearby: Noble County, IN bridge conditions · every bridge in Noble County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.