T-857 Leet Road over Twelvemile Creek
PoorPosted for loadErie County, Pennsylvania · 600 Ft East of SR 1006 · Structure no. 000000000016445
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 37 ft
- 1 main span
- Daily traffic
- 125
- 2013 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-857 Leet Road over Twelvemile Creek is a steel stringer/multi-beam or girder carrying T-857 Leet Road over Twelvemile Creek in Erie County, Pennsylvania. It was built in 1960, so it is 65 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 3 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 125 vehicles a day, roughly 6% of them trucks, projected to reach 136 by 2033. The structure is 37 ft (11.3 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-857 Leet Road over Twelvemile Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is T-857 Leet Road over Twelvemile 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 August 2023.
How much traffic does T-857 Leet Road over Twelvemile Creek carry?
About 125 vehicles per day (2013 count), of which roughly 6% are trucks.
How long is T-857 Leet Road over Twelvemile Creek?
The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 21 ft wide.
Who owns T-857 Leet Road over Twelvemile Creek?
It is owned by the Town or Township Highway Agency.