US 231 over Iroquois River
GoodJasper County, Indiana · 00.19 S SR 114 · Structure no. 029480
- Built
- 1941
- 84 years old, rebuilt 2017
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 114 ft
- 3 main spans
- Daily traffic
- 4,220
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 231 over Iroquois River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 231 over Iroquois River in Jasper County, Indiana. It was built in 1941 and reconstructed in 2017, so it is 84 years old, older than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,220 vehicles a day, roughly 9% of them trucks, projected to reach 5,380 by 2036. The structure is 114 ft (34.8 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 231 over Iroquois River built?
It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2017.
What condition is US 231 over Iroquois River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.
How much traffic does US 231 over Iroquois River carry?
About 4,220 vehicles per day (2020 count), of which roughly 9% are trucks.
How long is US 231 over Iroquois River?
The structure is 114 ft (34.8 m) long with a longest span of 37 ft (11.4 m) and a deck 53 ft wide.
Who owns US 231 over Iroquois River?
It is owned by the State Highway Agency.