Montgomery ST over Assunpink Creek
PoorMercer County, New Jersey · 0.13 MI N of Market ST · Structure no. 1100051
- Built
- 1873
- 152 years old, rebuilt 1950
- Condition
- Poor
- inspected February 2023
- Type
- Arch - Deck
- Masonry
- Length
- 59 ft
- 2 main spans
- Daily traffic
- 135
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Montgomery ST over Assunpink Creek is a masonry arch - deck carrying Montgomery ST over Assunpink Creek in Mercer County, New Jersey. It was built in 1873 and reconstructed in 1950, so it is 152 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 135 vehicles a day, roughly 4% of them trucks, projected to reach 161 by 2043. The structure is 59 ft (18 m) long and 49 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Montgomery ST over Assunpink Creek built?
It was built in 1873, making it 152 years old in 2025. It was reconstructed in 1950.
What condition is Montgomery ST over Assunpink Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.
How much traffic does Montgomery ST over Assunpink Creek carry?
About 135 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Montgomery ST over Assunpink Creek?
The structure is 59 ft (18 m) long with a longest span of 28 ft (8.5 m) and a deck 49 ft wide.
Who owns Montgomery ST over Assunpink Creek?
It is owned by the County Highway Agency.