Mill Road over I-80
FairMorris County, New Jersey · 1.6 MI West of Rt 15 JCT · Structure no. 1412173
- Built
- 1959
- 66 years old, rebuilt 1986
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 172 ft
- 2 main spans
- Daily traffic
- 1,530
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mill Road over I-80 is a prestressed concrete box beam or girders - multiple carrying Mill Road over I-80 in Morris County, New Jersey. It was built in 1959 and reconstructed in 1986, so it is 66 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 1,530 vehicles a day, roughly 1% of them trucks, projected to reach 1,870 by 2044. The structure is 172 ft (52.4 m) long and 38 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Road over I-80 built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1986.
What condition is Mill Road over I-80 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 2024.
How much traffic does Mill Road over I-80 carry?
About 1,530 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Mill Road over I-80?
The structure is 172 ft (52.4 m) long with a longest span of 83 ft (25.3 m) and a deck 38 ft wide.
Who owns Mill Road over I-80?
It is owned by the State Highway Agency.