30th Street over 30th Street (lower)
PoorPosted for loadPhiladelphia County, Pennsylvania · Btw Market & Chesnt 28C12 · Structure no. 000000000039139
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 956 ft
- 29 main spans
- Daily traffic
- 8,500
- 2012 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
30th Street over 30th Street (lower) is a steel stringer/multi-beam or girder carrying 30th Street over 30th Street (lower) in Philadelphia County, Pennsylvania. It was built in 1931, so it is 94 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 8,500 vehicles a day, projected to reach 10,880 by 2032. The structure is 956 ft (291.4 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 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 30th Street over 30th Street (lower) built?
It was built in 1931, making it 94 years old in 2025.
What condition is 30th Street over 30th Street (lower) 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 May 2024.
How much traffic does 30th Street over 30th Street (lower) carry?
About 8,500 vehicles per day (2012 count).
How long is 30th Street over 30th Street (lower)?
The structure is 956 ft (291.4 m) long with a longest span of 40 ft (12.2 m) and a deck 62 ft wide.
Who owns 30th Street over 30th Street (lower)?
It is owned by the City or Municipal Highway Agency.