US 31 over Blau Ditch
FairJackson County, Indiana · 02.93 S SR 250 · Structure no. 009100
- Built
- 1984
- 41 years old, rebuilt 2019
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 104 ft
- 3 main spans
- Daily traffic
- 3,805
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US 31 over Blau Ditch is a concrete continuous slab carrying US 31 over Blau Ditch in Jackson County, Indiana. It was built in 1984 and reconstructed in 2019, so it is 41 years old, younger than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,805 vehicles a day, roughly 8% of them trucks, projected to reach 3,430 by 2038. The structure is 104 ft (31.7 m) long and 46 ft wide. If it were closed, the detour would be 2.5 mi (4 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 31 over Blau Ditch built?
It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2019.
What condition is US 31 over Blau Ditch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does US 31 over Blau Ditch carry?
About 3,805 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is US 31 over Blau Ditch?
The structure is 104 ft (31.7 m) long with a longest span of 42 ft (12.8 m) and a deck 46 ft wide.
Who owns US 31 over Blau Ditch?
It is owned by the State Highway Agency.