T-660 Old Indiana over Blacklick Creek
GoodIndiana County, Pennsylvania · Btw SR2017 & T668 · Structure no. 000000000042428
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 142 ft
- 2 main spans
- Daily traffic
- 500
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
T-660 Old Indiana over Blacklick Creek is a prestressed concrete continuous box beam or girders - multiple carrying T-660 Old Indiana over Blacklick Creek in Indiana County, Pennsylvania. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 625 by 2041. The structure is 142 ft (43.3 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-660 Old Indiana over Blacklick Creek built?
It was built in 2001, making it 24 years old in 2025.
What condition is T-660 Old Indiana over Blacklick 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 October 2023.
How much traffic does T-660 Old Indiana over Blacklick Creek carry?
About 500 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is T-660 Old Indiana over Blacklick Creek?
The structure is 142 ft (43.3 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.
Who owns T-660 Old Indiana over Blacklick Creek?
It is owned by the County Highway Agency.