FHWA NBI 2024 Inspection record Public-domain dataset

T648, READING MINE

Carrying T648, READING MINE over BEAVER DAM CREEK

1 MI.SW.OF STOYSTOWN, Somerset, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: T648, READING MINE

The T648, READING MINE bridge in Somerset, Pennsylvania carries T648, READING MINE over BEAVER DAM CREEK. It was built in 1910, making it 116 years old today. The structure is built primarily of masonry and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.7 metric tons.

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

How T648, READING MINE compares

▼ 6.6
Load rating vs Pennsylvania average (39.3 t)
Bottom 22%
Lower load rating than 78% of Pennsylvania bridges
400
Bridges in Somerset · 58 in Poor condition
T648, READING MINE 32.7 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
81.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
14.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.

Condition Ratings

Superstructure
6/9
Fair (5–6)
Substructure
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.

Structural Details

Year Built
1910
Material
Masonry
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
5.7 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
000000000031887

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether T648, READING MINE 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 T648, READING MINE against other structures in Somerset 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 T648, READING MINE?

T648, READING MINE in Somerset, Pennsylvania, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is T648, READING MINE inspected?

T648, READING MINE'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T648, READING MINE 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 T648, READING MINE?

T648, READING MINE has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining T648, READING MINE?

T648, READING MINE is owned and maintained by County Highway Agency.

How old is T648, READING MINE and does age affect safety?

T648, READING MINE was built in 1910, making it 116 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.