US 46 EB over Branch of Mine Brook
FairMorris County, New Jersey · 1.1 MI E of CR 604 · Structure no. 1407154
- Built
- 1921
- 104 years old, rebuilt 1986
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 37 ft
- 1 main span
- Daily traffic
- 13,131
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 46 EB over Branch of Mine Brook is a steel stringer/multi-beam or girder carrying US 46 EB over Branch of Mine Brook in Morris County, New Jersey. It was built in 1921 and reconstructed in 1986, so it is 104 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 13,131 vehicles a day, roughly 4% of them trucks, projected to reach 16,022 by 2043. The structure is 37 ft (11.3 m) long and 33 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 46 EB over Branch of Mine Brook built?
It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1986.
What condition is US 46 EB over Branch of Mine 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 March 2023.
How much traffic does US 46 EB over Branch of Mine Brook carry?
About 13,131 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is US 46 EB over Branch of Mine Brook?
The structure is 37 ft (11.3 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.
Who owns US 46 EB over Branch of Mine Brook?
It is owned by the State Highway Agency.