FHWA NBI 2024 Inspection record Public-domain dataset

I-79 SR8079 SR9479

Carrying I-79 SR8079 SR9479 over TRIB TO BRUSH CREEK

EPWORTH, Butler, Pennsylvania

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating Lower than 73% of rated Pennsylvania bridges

I-79 SR8079 SR9479 in Butler, Pennsylvania sits above 27% of rated Pennsylvania bridges on inventory load rating (33 t), while its 1969 build year is earlier than 53% of Butler's recorded-year cohort (378 bridges).

I-79 SR8079 SR9479 in Butler, Pennsylvania is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1969, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:000000000007853

INTERSTATE-ERA · CONCRETE · SINGLE-SPAN · CULVERT-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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: I-79 SR8079 SR9479

The I-79 SR8079 SR9479 bridge in Butler, Pennsylvania carries I-79 SR8079 SR9479 over TRIB TO BRUSH CREEK. It was built in 1969, making it 57 years old today. It was last reconstructed in 2004, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 86,014 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 culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How I-79 SR8079 SR9479 compares

▼ 5.7
Load rating vs Pennsylvania average (38.4 t; 23,297 of 23,299 rated)
378
Bridges in Butler · 54 in Poor condition

Age against the county: built in 1969, earlier than 200 of Butler's 378 bridges with a recorded construction year (53%), against a county median build year of 1974. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

I-79 SR8079 SR9479 32.7 t
Pennsylvania average (23,297 of 23,299 rated) 38.4 t

Live comparison across Pennsylvania bridges with a recorded inventory load rating (23,297 of 23,299 rated).

I-79 SR8079 SR9479 vs every rated Pennsylvania bridge

Inventory load rating (metric tons), FHWA NBI, this state

33 Top 73% higher than 27% 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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Butler inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 378 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
1969
Last Reconstructed
2004
Material
Concrete
Number of Spans
1
Structure Length
6.7 m (22 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
86,014 vehicles/day
Structure Number
000000000007853

How to read this record

This page shows what the last federal inspection recorded, not whether I-79 SR8079 SR9479 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 I-79 SR8079 SR9479 against other structures in Butler 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 I-79 SR8079 SR9479?

I-79 SR8079 SR9479 in Butler, Pennsylvania on the FHWA's 0–9 scale.

How often is I-79 SR8079 SR9479 inspected?

I-79 SR8079 SR9479'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 86,014 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. I-79 SR8079 SR9479 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for I-79 SR8079 SR9479?

I-79 SR8079 SR9479 has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining I-79 SR8079 SR9479?

I-79 SR8079 SR9479 is owned and maintained by State Highway Agency.

How old is I-79 SR8079 SR9479 and does age affect safety?

I-79 SR8079 SR9479 was built in 1969, making it 57 years old and last reconstructed in 2004.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.