Mcgraw Marathon Rd over Smith Brook
Cortland County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mcgraw Marathon Rd over Smith Brook in Cortland 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 1932, making it 93 years old at the 2025 inventory.
- It carries about 628 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 96 of the 189 inventoried bridges in Cortland County rated fair (50.8%); 27 (14.3%) are rated poor.
- 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 → (42.58149, -76.05991)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 37 ft |
| Location | 2.1 Mi SE of Mcgraw |
| NBI structure number | 000000003312000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Cortland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I81 over West Branch Tioughnioga | 1966 | 25,286 | Fair |
| Rte 281 over Dry Creek | 2017 | 17,476 | Good |
| Rte I81 over Hunts Creek | 1966 | 16,872 | Fair |
| Rte 13 over Tioughnioga River | 2008 | 15,854 | Fair |
| Rte I81 over W Br Tioughnioga | 1966 | 14,138 | Good |
| Rte I81 over Rte 11 | 1966 | 13,527 | Fair |
All bridges nearby: Cortland County, NY bridge conditions · every bridge in Cortland County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.