PA TPK (I-476 SB)
Carrying PA TPK (I-476 SB) over Pohopoco Cr &LowerMainSt
Parryville, Carbon, Pennsylvania
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: PA TPK (I-476 SB)
The PA TPK (I-476 SB) bridge in Carbon, Pennsylvania carries PA TPK (I-476 SB) over Pohopoco Cr &LowerMainSt. It was built in 2012, making it 14 years old today. The structure is built primarily of prestressed concrete continuous and spans 7 sections, stretching 313.3 meters (1028 feet) end to end. Daily traffic averages 39,509 vehicles, placing it in the heavily-trafficked tier of Pennsylvania bridges. It is owned and maintained by State Toll Authority.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How PA TPK (I-476 SB) compares
Live comparison across Pennsylvania.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2012
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 7
- Structure Length
- 313.3 m (1028 ft)
- Deck Width
- 13.9 m (46 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 39,509 vehicles/day
- Structure Number
- 000000000047431
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
How to read this record
This page shows what the last federal inspection recorded, not whether PA TPK (I-476 SB) is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare PA TPK (I-476 SB) against other structures in Carbon and across Pennsylvania. Pennsylvania bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for PA TPK (I-476 SB)?
PA TPK (I-476 SB) in Carbon, Pennsylvania has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is PA TPK (I-476 SB) inspected?
PA TPK (I-476 SB)'s responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 39,509 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PA TPK (I-476 SB) is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for PA TPK (I-476 SB)?
PA TPK (I-476 SB) has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining PA TPK (I-476 SB)?
PA TPK (I-476 SB) is owned and maintained by State Toll Authority.
How old is PA TPK (I-476 SB) and does age affect safety?
PA TPK (I-476 SB) was built in 2012, making it 14 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.