PA 873
Carrying PA 873 over Trout Creek
Gen.Thos.R.Morgan Bridge, Lehigh, Pennsylvania
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
PA 873 in Lehigh, Pennsylvania sits above 38% of rated Pennsylvania bridges on inventory load rating (34 t), while its 2008 build year is earlier than 15% of Lehigh's recorded-year cohort (381 bridges).
PA 873 in Lehigh, Pennsylvania is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2008, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure PA:000000000045232
POST-2000 · PRESTRESS · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: PA 873
The PA 873 bridge in Lehigh, Pennsylvania carries PA 873 over Trout Creek. It was built in 2008, making it 18 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 54.9 meters (180 feet) end to end. Daily traffic averages 12,963 vehicles, placing it in the heavily-trafficked tier of Pennsylvania bridges. It is owned and maintained by State Highway Agency.
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.
How PA 873 compares
Age against the county: built in 2008, earlier than 57 of Lehigh's 381 bridges with a recorded construction year (15%), against a county median build year of 1961. This is one of the newer structures in its county.
Live comparison across Pennsylvania bridges with a recorded inventory load rating (23,297 of 23,299 rated).
PA 873 vs every rated Pennsylvania bridge
Inventory load rating (metric tons), FHWA NBI, this state
34 Top 62% higher than 38% of 23,297 bridges
rated Pennsylvania bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Lehigh inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 381 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 2008
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 54.9 m (180 ft)
- Deck Width
- 16.3 m (53 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 12,963 vehicles/day
- Structure Number
- 000000000045232
Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether PA 873 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 873 against other structures in Lehigh 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 873?
PA 873 in Lehigh, 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 873 inspected?
PA 873'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 12,963 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PA 873 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 873?
PA 873 has an NBI inventory load rating of 33.7 metric tons.
Who is responsible for maintaining PA 873?
PA 873 is owned and maintained by State Highway Agency.
How old is PA 873 and does age affect safety?
PA 873 was built in 2008, making it 18 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.