Rte 30A over Erie Barge Canal
Montgomery County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte 30A over Erie Barge Canal in Montgomery County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 11,603 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 111 of the 204 inventoried bridges in Montgomery County rated fair (54.4%); 21 (10.3%) 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 November 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (42.94979, -74.36919)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel through truss |
| Length | about 407 ft |
| Location | .4 Mi S Jct SH 5 & SH 30A |
| NBI structure number | 000000004021420 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Montgomery County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 90I over Thayer Road | 1953 | 25,565 | Fair |
| Rte I90 over Terwilleger Creek | 1952 | 25,565 | Fair |
| Rte I90 over CR 149 | 1953 | 25,565 | Fair |
| Rte I90 over Rte 5S Old RR (bike/ped | 1953 | 21,178 | Fair |
| Rte I90 over S Chuctanunda Crk | 1952 | 21,178 | Fair |
| Rte I90 over Schoharie Creek | 1988 | 21,178 | Good |
All bridges nearby: Montgomery County, NY bridge conditions · every bridge in Montgomery County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.