MARGARET Ave over Thompson Ditch
Vigo County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- MARGARET Ave over Thompson Ditch in Vigo County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 5,622 vehicles a day (traffic count year 2017).
- Its listed owner is the county 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.
- 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 August 2023, on a 24-month routine inspection cycle.
- 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 → (39.43379, -87.37474)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 33 ft |
| Location | 00.30 E 25TH St |
| NBI structure number | 8400205 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 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 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.