RTE 104 over Irondequoit Bay
FairMonroe County, New York · RTE 104-IRONDEQUOIT Bay · Structure no. 000000001052239
- Built
- 1967
- 58 years old, rebuilt 1980
- Condition
- Fair
- inspected September 2024
- Type
- Truss - Deck
- Steel Continuous
- Length
- 2,321 ft
- 9 main spans
- Daily traffic
- 65,994
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 104 over Irondequoit Bay is a steel continuous truss - deck carrying RTE 104 over Irondequoit Bay in Monroe County, New York. It was built in 1967 and reconstructed in 1980, so it is 58 years old, older than the New York average of 53 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.
It carries about 65,994 vehicles a day, roughly 4% of them trucks, projected to reach 68,838 by 2041. The structure is 2,321 ft (707.4 m) long and 89 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 104 over Irondequoit Bay built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1980.
What condition is RTE 104 over Irondequoit Bay 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 September 2024.
How much traffic does RTE 104 over Irondequoit Bay carry?
About 65,994 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is RTE 104 over Irondequoit Bay?
The structure is 2,321 ft (707.4 m) long with a longest span of 357 ft (108.8 m) and a deck 89 ft wide.
Who owns RTE 104 over Irondequoit Bay?
It is owned by the State Highway Agency.