T474 Whigham RD over Little Sewickley Creek
FairWestmoreland County, Pennsylvania · 0.6 MI So RTE 136 · Structure no. 000000000036910
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 354
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T474 Whigham RD over Little Sewickley Creek is a prestressed concrete box beam or girders - multiple carrying T474 Whigham RD over Little Sewickley Creek in Westmoreland County, Pennsylvania. It was built in 1996, so it is 29 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 5 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 354 vehicles a day, roughly 1% of them trucks, projected to reach 425 by 2042. The structure is 39 ft (11.9 m) long and 32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T474 Whigham RD over Little Sewickley Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is T474 Whigham RD over Little Sewickley 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 March 2024.
How much traffic does T474 Whigham RD over Little Sewickley Creek carry?
About 354 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is T474 Whigham RD over Little Sewickley Creek?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.
Who owns T474 Whigham RD over Little Sewickley Creek?
It is owned by the Town or Township Highway Agency.