FHWA NBI 2024 Inspection record Public-domain dataset

GLENROY ROAD(T306)

Carrying GLENROY ROAD(T306) over BLACKBURN RUN

.4 Mi N of PA-272 3906-C7, Chester, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
27 t Inventory load rating

Bridge Snapshot: GLENROY ROAD(T306)

The GLENROY ROAD(T306) bridge in Chester, Pennsylvania carries GLENROY ROAD(T306) over BLACKBURN RUN. It was built in 1934, making it 92 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 7 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 a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 27.2 metric tons.

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

How GLENROY ROAD(T306) compares

▼ 12.1
Load rating vs Pennsylvania average (39.3 t)
Bottom 13%
Lower load rating than 87% of Pennsylvania bridges
285
Bridges in Chester · 25 in Poor condition
GLENROY ROAD(T306) 27.2 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
60.1 / 100 - historical 50–79.9 band
Structural adequacy /55
26.1
Serviceability /30
25.0
Essentiality /15
14.9
Special reductions
−6.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
27.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1934
Material
Concrete Continuous
Number of Spans
2
Structure Length
12.8 m (42 ft)
Deck Width
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
7 vehicles/day
Structure Number
000000000010642

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

GLENROY ROAD(T306) is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare GLENROY ROAD(T306) against other structures in Chester 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 GLENROY ROAD(T306)?

GLENROY ROAD(T306) in Chester, Pennsylvania has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is GLENROY ROAD(T306) inspected?

GLENROY ROAD(T306)'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 7 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GLENROY ROAD(T306) is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for GLENROY ROAD(T306)?

GLENROY ROAD(T306) has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining GLENROY ROAD(T306)?

GLENROY ROAD(T306) is owned and maintained by County Highway Agency.

How old is GLENROY ROAD(T306) and does age affect safety?

GLENROY ROAD(T306) was built in 1934, making it 92 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.