CR 550N over Flatrock River
FairBartholomew County, Indiana · 02.10 E US 31 · Structure no. 0300089
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 361 ft
- 4 main spans
- Daily traffic
- 6,380
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
CR 550N over Flatrock River is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 550N over Flatrock River in Bartholomew County, Indiana. It was built in 1983, so it is 42 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 6,380 vehicles a day, roughly 5% of them trucks, projected to reach 9,610 by 2038. The structure is 361 ft (110 m) long and 34 ft wide. If it were closed, the detour would be 5.6 mi (9 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 | 7 Good | Some minor problems. |
| 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 CR 550N over Flatrock River built?
It was built in 1983, making it 42 years old in 2025.
What condition is CR 550N over Flatrock 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 2024.
How much traffic does CR 550N over Flatrock River carry?
About 6,380 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is CR 550N over Flatrock River?
The structure is 361 ft (110 m) long with a longest span of 95 ft (28.9 m) and a deck 34 ft wide.
Who owns CR 550N over Flatrock River?
It is owned by the County Highway Agency.