Michigan Road over Bassett Ditch
Shelby County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Michigan Road over Bassett Ditch in Shelby County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1960 and reconstructed in 1978, making it 65 years old at the 2025 inventory.
- It carries about 850 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 150 of the 247 inventoried bridges in Shelby County rated fair (60.7%); 18 (7.3%) 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 → (39.55877, -85.79382)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 27 ft |
| Location | 00.30 Mi. S. of I-74 |
| NBI structure number | 7300159 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Shelby County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Drainage Ditch | 1969 | 40,749 | Fair |
| I-65 NB over Big Blue River | 1969 | 28,018 | Fair |
| I-65 SB over Big Blue River | 1969 | 27,789 | Good |
| I-65 SB over SR 252 | 1968 | 25,601 | Fair |
| I-65 NB over SR 252 | 1968 | 24,134 | Fair |
| I-74 over Tributary of Conns Creek | 1962 | 21,459 | Fair |
All bridges nearby: Shelby County, IN bridge conditions · every bridge in Shelby County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.