FHWA NBI 2024 Inspection record Public-domain dataset

SR 0079 SB

Carrying SR 0079 SB over T-311 N Boundary Road

2.7 mi N SR 228 Intersect, Butler, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
50 t Inventory load rating

Bridge Snapshot: SR 0079 SB

The SR 0079 SB bridge in Butler, Pennsylvania carries SR 0079 SB over T-311 N Boundary Road. It was built in 2019, making it 7 years old today. The structure is built primarily of steel and spans 1 section, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 21,080 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 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 49.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SR 0079 SB compares

▲ 10.6
Load rating vs Pennsylvania average (39.3 t)
Top 15%
Higher load rating than 85% of Pennsylvania bridges
142
Bridges in Butler · 6 in Poor condition
SR 0079 SB 49.9 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
96.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
11.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
49.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2019
Material
Steel
Number of Spans
1
Structure Length
18.9 m (62 ft)
Deck Width
19.4 m (64 ft)
Owner
State Highway Agency
Avg Daily Traffic
21,080 vehicles/day
Structure Number
000000000055777

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, 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 SR 0079 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 SR 0079 SB 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 SR 0079 SB?

SR 0079 SB in Butler, 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 SR 0079 SB inspected?

SR 0079 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 21,080 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 0079 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 SR 0079 SB?

SR 0079 SB has an NBI inventory load rating of 49.9 metric tons.

Who is responsible for maintaining SR 0079 SB?

SR 0079 SB is owned and maintained by State Highway Agency.

How old is SR 0079 SB and does age affect safety?

SR 0079 SB was built in 2019, making it 7 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.

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

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.