Thwing Street over Mill Creek
PoorPosted for loadSchuylkill County, Pennsylvania · St.Clair Thwing St. · Structure no. 000000000031011
- Built
- 1926
- 99 years old
- Condition
- Poor
- inspected July 2024
- Type
- Tee Beam
- Concrete
- Length
- 59 ft
- 2 main spans
- Daily traffic
- 500
- 1985 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Thwing Street over Mill Creek is a concrete tee beam carrying Thwing Street over Mill Creek in Schuylkill County, Pennsylvania. It was built in 1926, so it is 99 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2005. The structure is 59 ft (18 m) long and 40 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 | 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 Thwing Street over Mill Creek built?
It was built in 1926, making it 99 years old in 2025.
What condition is Thwing Street over Mill 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 July 2024.
How much traffic does Thwing Street over Mill Creek carry?
About 500 vehicles per day (1985 count), of which roughly 1% are trucks.
How long is Thwing Street over Mill Creek?
The structure is 59 ft (18 m) long with a longest span of 28 ft (8.5 m) and a deck 40 ft wide.
Who owns Thwing Street over Mill Creek?
It is owned by the City or Municipal Highway Agency.