SR 46 over Old Erie Canal
Vigo County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 46 over Old Erie Canal in Vigo County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1941, making it 84 years old at the 2025 inventory.
- It carries about 2,068 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 148 of the 296 inventoried bridges in Vigo County rated fair (50.0%); 14 (4.7%) 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 → (39.39023, -87.29544)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 33 ft |
| Location | 00.55 E SR 159 |
| NBI structure number | 016970 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Vigo County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-70 EB over 7TH Street | 1964 | 34,749 | Fair |
| I-70 WB over 7TH Street | 1964 | 34,749 | Fair |
| I-70 EB over CSX RR | 1964 | 34,749 | Fair |
| I-70 WB over CSX RR | 1964 | 34,749 | Fair |
| I-70 WB over Canal Street 2 RR | 1965 | 34,749 | Fair |
| I-70 EB over CSX RR | 1964 | 34,749 | Fair |
All bridges nearby: Vigo County, IN bridge conditions · every bridge in Vigo County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.