Mill Street over Monocacy Creek
GoodNorthampton County, Pennsylvania · Between Pa 329 & 512 · Structure no. 000000000057306
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 900
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Street over Monocacy Creek is a prestressed concrete box beam or girders - multiple carrying Mill Street over Monocacy Creek in Northampton County, Pennsylvania. It was built in 2019, so it is 6 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 900 vehicles a day, roughly 9% of them trucks, projected to reach 1,000 by 2030. The structure is 52 ft (15.8 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Mill Street over Monocacy Creek built?
It was built in 2019, making it 6 years old in 2025.
What condition is Mill Street over Monocacy Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does Mill Street over Monocacy Creek carry?
About 900 vehicles per day (2010 count), of which roughly 9% are trucks.
How long is Mill Street over Monocacy Creek?
The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 29 ft wide.
Who owns Mill Street over Monocacy Creek?
It is owned by the County Highway Agency.