FHWA NBI 2024 Inspection record Public-domain dataset

SR0028 SB

Carrying SR0028 SB over T-435 MCHADDON RD

MCHADDON NO.2 SB, Armstrong, Pennsylvania

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating Lower than 81% of rated Pennsylvania bridges

SR0028 SB in Armstrong, Pennsylvania sits above 19% of rated Pennsylvania bridges on inventory load rating (29 t), while its 1968 build year is earlier than 57% of Armstrong's recorded-year cohort (263 bridges).

SR0028 SB in Armstrong, Pennsylvania is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1968, it carries 3 rated components 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:000000000002956

INTERSTATE-ERA · PRESTRESS · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: SR0028 SB

The SR0028 SB bridge in Armstrong, Pennsylvania carries SR0028 SB over T-435 MCHADDON RD. It was built in 1968, making it 58 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 35.7 meters (117 feet) end to end. Daily traffic averages 6,844 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 6/9, superstructure at 6/9, substructure 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 SR0028 SB compares

▼ 9.4
Load rating vs Pennsylvania average (38.4 t; 23,297 of 23,299 rated)
263
Bridges in Armstrong · 21 in Poor condition

Age against the county: built in 1968, earlier than 150 of Armstrong's 263 bridges with a recorded construction year (57%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SR0028 SB 29.0 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).

SR0028 SB vs every rated Pennsylvania bridge

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

29 Top 81% higher than 19% 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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Armstrong inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 263 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
1968
Material
Prestressed Concrete
Number of Spans
3
Structure Length
35.7 m (117 ft)
Deck Width
13.4 m (44 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,844 vehicles/day
Structure Number
000000000002956

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether SR0028 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 SR0028 SB against other structures in Armstrong 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 SR0028 SB?

SR0028 SB in Armstrong, Pennsylvania has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SR0028 SB inspected?

SR0028 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 6,844 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR0028 SB 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 SR0028 SB?

SR0028 SB has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining SR0028 SB?

SR0028 SB is owned and maintained by State Highway Agency.

How old is SR0028 SB and does age affect safety?

SR0028 SB was built in 1968, making it 58 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

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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.