SR-55 over Ir 75
FairMiami County, Ohio · JCT.IR-75 · Structure no. 5501385
- Built
- 1957
- 68 years old, rebuilt 2002
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 244 ft
- 4 main spans
- Daily traffic
- 8,933
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
SR-55 over Ir 75 is a steel continuous stringer/multi-beam or girder carrying SR-55 over Ir 75 in Miami County, Ohio. It was built in 1957 and reconstructed in 2002, so it is 68 years old, older than the Ohio average of 47.3 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 8,933 vehicles a day, roughly 4% of them trucks, projected to reach 12,399 by 2035. The structure is 244 ft (74.5 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-55 over Ir 75 built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2002.
What condition is SR-55 over Ir 75 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 March 2024.
How much traffic does SR-55 over Ir 75 carry?
About 8,933 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is SR-55 over Ir 75?
The structure is 244 ft (74.5 m) long with a longest span of 75 ft (22.9 m) and a deck 55 ft wide.
Who owns SR-55 over Ir 75?
It is owned by the State Highway Agency.