CR 450N over Big Slough
FairBartholomew County, Indiana · 00.03 E of US 31 · Structure no. 0300130
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
CR 450N over Big Slough is a prestressed concrete box beam or girders - multiple carrying CR 450N over Big Slough in Bartholomew County, Indiana. It was built in 1980, so it is 45 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 90 by 2038. The structure is 60 ft (18.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 CR 450N over Big Slough built?
It was built in 1980, making it 45 years old in 2025.
What condition is CR 450N over Big Slough 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 2024.
How much traffic does CR 450N over Big Slough carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is CR 450N over Big Slough?
The structure is 60 ft (18.2 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.
Who owns CR 450N over Big Slough?
It is owned by the County Highway Agency.