Nj 173 over Mulhockaway Creek
PoorHunterdon County, New Jersey · 0.62 MI E of CR 614 · Structure no. 1024151
- Built
- 1919
- 106 years old
- Condition
- Poor
- inspected November 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 71 ft
- 1 main span
- Daily traffic
- 4,272
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 173 over Mulhockaway Creek is a steel girder and floorbeam system carrying Nj 173 over Mulhockaway Creek in Hunterdon County, New Jersey. It was built in 1919, so it is 106 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 4,272 vehicles a day, roughly 5% of them trucks, projected to reach 5,213 by 2043. The structure is 71 ft (21.6 m) long and 31 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 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 173 over Mulhockaway Creek built?
It was built in 1919, making it 106 years old in 2025.
What condition is Nj 173 over Mulhockaway 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 November 2023.
How much traffic does Nj 173 over Mulhockaway Creek carry?
About 4,272 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Nj 173 over Mulhockaway Creek?
The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.
Who owns Nj 173 over Mulhockaway Creek?
It is owned by the State Highway Agency.