T-690 White Oak RD over Cowanshannock Creek
FairArmstrong County, Pennsylvania · 200 Feet South of SR 0085 · Structure no. 000000000003353
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 300
- 2006 count
- Owner
- County
- County Highway Agency
About this bridge
T-690 White Oak RD over Cowanshannock Creek is a prestressed concrete box beam or girders - multiple carrying T-690 White Oak RD over Cowanshannock Creek in Armstrong County, Pennsylvania. It was built in 1988, so it is 37 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 300 vehicles a day, roughly 9% of them trucks, projected to reach 420 by 2026. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-690 White Oak RD over Cowanshannock Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is T-690 White Oak RD over Cowanshannock Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does T-690 White Oak RD over Cowanshannock Creek carry?
About 300 vehicles per day (2006 count), of which roughly 9% are trucks.
How long is T-690 White Oak RD over Cowanshannock Creek?
The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.
Who owns T-690 White Oak RD over Cowanshannock Creek?
It is owned by the County Highway Agency.