County Road 43 over Mongaup River
FairSullivan County, New York · 2.2 MI W of Forestburg · Structure no. 000000003355470
- Built
- 1964
- 61 years old, rebuilt 2011
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 226 ft
- 1 main span
- Daily traffic
- 786
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 43 over Mongaup River is a prestressed concrete stringer/multi-beam or girder carrying County Road 43 over Mongaup River in Sullivan County, New York. It was built in 1964 and reconstructed in 2011, so it is 61 years old, older than the New York average of 53 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 786 vehicles a day, roughly 6% of them trucks, projected to reach 1,100 by 2040. The structure is 226 ft (68.9 m) long and 32 ft wide. If it were closed, the detour would be 23.6 mi (38 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| 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 43 over Mongaup River built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2011.
What condition is County Road 43 over Mongaup River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does County Road 43 over Mongaup River carry?
About 786 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is County Road 43 over Mongaup River?
The structure is 226 ft (68.9 m) long with a longest span of 120 ft (36.5 m) and a deck 32 ft wide.
Who owns County Road 43 over Mongaup River?
It is owned by the County Highway Agency.