County Road 84 over Mad River
GoodOneida County, New York · 6 MI NW Thompson Corners · Structure no. 000000003310600
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 200
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 84 over Mad River is a prestressed concrete box beam or girders - multiple carrying County Road 84 over Mad River in Oneida County, New York. It was built in 2008, so it is 17 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 200 vehicles a day, roughly 15% of them trucks, projected to reach 280 by 2037. The structure is 62 ft (18.9 m) long and 29 ft wide. If it were closed, the detour would be 14.9 mi (24 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 |
|---|---|---|
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 84 over Mad River built?
It was built in 2008, making it 17 years old in 2025.
What condition is County Road 84 over Mad River 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 September 2024.
How much traffic does County Road 84 over Mad River carry?
About 200 vehicles per day (2017 count), of which roughly 15% are trucks.
How long is County Road 84 over Mad River?
The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.
Who owns County Road 84 over Mad River?
It is owned by the County Highway Agency.