Mcgraw-Marathon R over Smith Brook Tributary
GoodCortland County, New York · 2.8 MI SE Cortlandville · Structure no. 000000003370830
- Built
- 1970
- 55 years old, rebuilt 2011
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 550
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Mcgraw-Marathon R over Smith Brook Tributary is a prestressed concrete box beam or girders - multiple carrying Mcgraw-Marathon R over Smith Brook Tributary in Cortland County, New York. It was built in 1970 and reconstructed in 2011, so it is 55 years old, older than the New York average of 53 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 550 vehicles a day, roughly 5% of them trucks, projected to reach 770 by 2041. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mcgraw-Marathon R over Smith Brook Tributary built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2011.
What condition is Mcgraw-Marathon R over Smith Brook Tributary in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does Mcgraw-Marathon R over Smith Brook Tributary carry?
About 550 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Mcgraw-Marathon R over Smith Brook Tributary?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.
Who owns Mcgraw-Marathon R over Smith Brook Tributary?
It is owned by the County Highway Agency.