T-470 Gardeau Road over Half Mile Run
PoorPosted for loadMcKean County, Pennsylvania · 2500 Ft North of Gardeau · Structure no. 000000000025600
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected July 2024
- Type
- Tee Beam
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 40
- 2014 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-470 Gardeau Road over Half Mile Run is a concrete tee beam carrying T-470 Gardeau Road over Half Mile Run in McKean County, Pennsylvania. It was built in 1950, so it is 75 years old, older 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2034. The structure is 34 ft (10.4 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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-470 Gardeau Road over Half Mile Run built?
It was built in 1950, making it 75 years old in 2025.
What condition is T-470 Gardeau Road over Half Mile Run 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 July 2024.
How much traffic does T-470 Gardeau Road over Half Mile Run carry?
About 40 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is T-470 Gardeau Road over Half Mile Run?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.
Who owns T-470 Gardeau Road over Half Mile Run?
It is owned by the Town or Township Highway Agency.