T-487 Woodland RD over Thorn Creek
PoorPosted for loadButler County, Pennsylvania · Btw T564 & T488 · Structure no. 000000000008276
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 59 ft
- 1 main span
- Daily traffic
- 200
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
T-487 Woodland RD over Thorn Creek is a prestressed concrete box beam or girders - multiple carrying T-487 Woodland RD over Thorn Creek in Butler County, Pennsylvania. It was built in 1979, so it is 46 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 200 vehicles a day, roughly 9% of them trucks, projected to reach 225 by 2035. The structure is 59 ft (18 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 T-487 Woodland RD over Thorn Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is T-487 Woodland RD over Thorn Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does T-487 Woodland RD over Thorn Creek carry?
About 200 vehicles per day (2015 count), of which roughly 9% are trucks.
How long is T-487 Woodland RD over Thorn Creek?
The structure is 59 ft (18 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.
Who owns T-487 Woodland RD over Thorn Creek?
It is owned by the County Highway Agency.