US 46 over Den Brook
FairMorris County, New Jersey · 0.37 Miles East of Nj 53 · Structure no. 1410151
- Built
- 1941
- 84 years old, rebuilt 1998
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 25,796
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 46 over Den Brook is a prestressed concrete stringer/multi-beam or girder carrying US 46 over Den Brook in Morris County, New Jersey. It was built in 1941 and reconstructed in 1998, so it is 84 years old, older 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 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 25,796 vehicles a day, roughly 4% of them trucks, projected to reach 31,476 by 2043. The structure is 40 ft (12.2 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 46 over Den Brook built?
It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1998.
What condition is US 46 over Den Brook 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 April 2023.
How much traffic does US 46 over Den Brook carry?
About 25,796 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is US 46 over Den Brook?
The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 102 ft wide.
Who owns US 46 over Den Brook?
It is owned by the State Highway Agency.