SR 13 over Drainage Ditch
Madison County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 13 over Drainage Ditch in Madison 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 1994, making it 31 years old at the 2025 inventory.
- It carries about 6,170 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 174 of the 301 inventoried bridges in Madison County rated fair (57.8%); 10 (3.3%) 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 → (39.99733, -85.84315)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | 00.20 N I-69 |
| NBI structure number | 003337 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Madison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-69 NB over Fosters Branch | 1966 | 30,223 | Good |
| I-69 SB over Fosters Branch | 1966 | 30,223 | Good |
| I-69 NB over Thorpe Creek | 1966 | 28,070 | Fair |
| I-69 SB over Thorpe Creek | 1966 | 28,070 | Fair |
| I-69 NB over SR 13 | 1966 | 28,070 | Fair |
| I-69 SB over SR 13 | 1966 | 28,070 | Good |
All bridges nearby: Madison County, IN bridge conditions · every bridge in Madison County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.