Business 31 over Wabash River
FairPosted for loadMiami County, Indiana · 0.20 S of W Main Street · Structure no. 5200122
- Built
- 1939
- 86 years old, rebuilt 1988
- Condition
- Fair
- inspected May 2023
- Type
- Truss - Thru
- Steel
- Length
- 610 ft
- 3 main spans
- Daily traffic
- 9,131
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Business 31 over Wabash River is a steel truss - thru carrying Business 31 over Wabash River in Miami County, Indiana. It was built in 1939 and reconstructed in 1988, so it is 86 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 9,131 vehicles a day, roughly 10% of them trucks, projected to reach 16,702 by 2042. The structure is 610 ft (185.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Business 31 over Wabash River built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1988.
What condition is Business 31 over Wabash River 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 May 2023.
How much traffic does Business 31 over Wabash River carry?
About 9,131 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Business 31 over Wabash River?
The structure is 610 ft (185.9 m) long with a longest span of 200 ft (60.9 m) and a deck 32 ft wide.
Who owns Business 31 over Wabash River?
It is owned by the County Highway Agency.