Guyon Avenue over Sirt South Shore
Richmond County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Guyon Avenue over Sirt South Shore in Richmond County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 6,903 vehicles a day (traffic count year 2020).
- It is one of 119 of the 162 inventoried bridges in Richmond County rated fair (73.5%); 2 (1.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.56456, -74.12694)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 108 ft |
| Location | In Oakwood |
| NBI structure number | 000000002249380 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Richmond County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I278 over RTE I278 John Warren AV | 1967 | 202,650 | Fair |
| Rte I278 over 907C 907cx2m13033 Rte I | 1961 | 182,700 | Fair |
| Rte I278 over Rte I278 the Narrows | 1961 | 174,804 | Fair |
| Rte I278 over Rte I278 John Warren Av | 1967 | 174,804 | Fair |
| Rte I278 over I278 Ramp to & From Bsh | 1961 | 174,804 | Fair |
| Rte I278 over Lily Pond Avenue | 1961 | 174,804 | Fair |
All bridges nearby: Richmond County, NY bridge conditions · every bridge in Richmond County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.