CR 510 (mendham RD over N Branch Raritan River
FairMorris County, New Jersey · 3.4 MI East CO Rt 513 · Structure no. 1400628
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 11,686
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
CR 510 (mendham RD over N Branch Raritan River is a prestressed concrete box beam or girders - multiple carrying CR 510 (mendham RD over N Branch Raritan River in Morris County, New Jersey. It was built in 1972, so it is 53 years old, younger than the New Jersey average of 58.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 11,686 vehicles a day, roughly 4% of them trucks, projected to reach 14,259 by 2043. The structure is 46 ft (14 m) long and 57 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 CR 510 (mendham RD over N Branch Raritan River built?
It was built in 1972, making it 53 years old in 2025.
What condition is CR 510 (mendham RD over N Branch Raritan 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 June 2023.
How much traffic does CR 510 (mendham RD over N Branch Raritan River carry?
About 11,686 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is CR 510 (mendham RD over N Branch Raritan River?
The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 57 ft wide.
Who owns CR 510 (mendham RD over N Branch Raritan River?
It is owned by the County Highway Agency.