Pa Tpk (I-476) over Mud Run
PoorCarbon County, Pennsylvania · 4 MI W of Albrightsville · Structure no. 000000000009164
- Built
- 1957
- 68 years old, rebuilt 1992
- Condition
- Poor
- inspected September 2023
- Type
- Truss - Deck
- Steel Continuous
- Length
- 738 ft
- 3 main spans
- Daily traffic
- 22,283
- 2006 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Pa Tpk (I-476) over Mud Run is a steel continuous truss - deck carrying Pa Tpk (I-476) over Mud Run in Carbon County, Pennsylvania. It was built in 1957 and reconstructed in 1992, so it is 68 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.
It carries about 22,283 vehicles a day, roughly 20% of them trucks, projected to reach 28,940 by 2030. The structure is 738 ft (224.9 m) long and 61 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pa Tpk (I-476) over Mud Run built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1992.
What condition is Pa Tpk (I-476) over Mud 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 September 2023.
How much traffic does Pa Tpk (I-476) over Mud Run carry?
About 22,283 vehicles per day (2006 count), of which roughly 20% are trucks.
How long is Pa Tpk (I-476) over Mud Run?
The structure is 738 ft (224.9 m) long with a longest span of 280 ft (85.3 m) and a deck 61 ft wide.
Who owns Pa Tpk (I-476) over Mud Run?
It is owned by the State Toll Authority.