US 1B NB over Five Mile Run
FairMercer County, New Jersey · 1.4 MI South of I-295 JCT · Structure no. 1141150
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 7,745
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 1B NB over Five Mile Run is a prestressed concrete slab carrying US 1B NB over Five Mile Run in Mercer County, New Jersey. It was built in 1973, so it is 52 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 7,745 vehicles a day, roughly 4% of them trucks, projected to reach 9,450 by 2044. The structure is 40 ft (12.2 m) long and 74 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 |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 US 1B NB over Five Mile Run built?
It was built in 1973, making it 52 years old in 2025.
What condition is US 1B NB over Five Mile Run 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 July 2024.
How much traffic does US 1B NB over Five Mile Run carry?
About 7,745 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is US 1B NB over Five Mile Run?
The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 74 ft wide.
Who owns US 1B NB over Five Mile Run?
It is owned by the State Highway Agency.