MARKET ST EXT
Carrying MARKET ST EXT over MILL CREEK
2.5 MILES NE OF LIGONIER, Westmoreland, Pennsylvania
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MARKET ST EXT
The MARKET ST EXT bridge in Westmoreland, Pennsylvania carries MARKET ST EXT over MILL CREEK. It was built in 2015, making it 11 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 31.7 meters (104 feet) end to end. Daily traffic averages 3,522 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 53.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MARKET ST EXT 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 How the historical reference is calculated.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
- 2015
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 31.7 m (104 ft)
- Deck Width
- 11.0 m (36 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 3,522 vehicles/day
- Structure Number
- 000000000052573
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether MARKET ST EXT 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 MARKET ST EXT against other structures in Westmoreland 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 MARKET ST EXT?
MARKET ST EXT in Westmoreland, Pennsylvania has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is MARKET ST EXT inspected?
MARKET ST EXT'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 3,522 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MARKET ST EXT 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 MARKET ST EXT?
MARKET ST EXT has an NBI inventory load rating of 53.5 metric tons.
Who is responsible for maintaining MARKET ST EXT?
MARKET ST EXT is owned and maintained by State Highway Agency.
How old is MARKET ST EXT and does age affect safety?
MARKET ST EXT was built in 2015, making it 11 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.