Market ST Ext over Mill Creek
GoodWestmoreland County, Pennsylvania · 2.5 Miles NE of Ligonier · Structure no. 000000000052573
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 104 ft
- 1 main span
- Daily traffic
- 3,816
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Market ST Ext over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Market ST Ext over Mill Creek in Westmoreland County, Pennsylvania. It was built in 2015, so it is 10 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 3,816 vehicles a day, roughly 12% of them trucks, projected to reach 4,378 by 2037. The structure is 104 ft (31.7 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 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 Market ST Ext over Mill Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is Market ST Ext over Mill 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 September 2024.
How much traffic does Market ST Ext over Mill Creek carry?
About 3,816 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Market ST Ext over Mill Creek?
The structure is 104 ft (31.7 m) long with a longest span of 102 ft (31.1 m) and a deck 36 ft wide.
Who owns Market ST Ext over Mill Creek?
It is owned by the State Highway Agency and maintained by the Private (other than railroad).