SR1578
Carrying SR1578 over BRIERY RUN
1.4 MI N JCT NC58, Lenoir, North Carolina
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SR1578
The SR1578 bridge in Lenoir, North Carolina carries SR1578 over BRIERY RUN. It was built in 1960, making it 66 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 1,800 vehicles, placing it in the moderately-trafficked tier of North Carolina bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 32.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SR1578 compares
Live comparison across North Carolina.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1960
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 8.5 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 1,800 vehicles/day
- Structure Number
- 000000001070168
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
SR1578 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 SR1578 against other structures in Lenoir and across North Carolina. North Carolina 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 SR1578?
SR1578 in Lenoir, North Carolina on the FHWA's 0–9 scale.
How often is SR1578 inspected?
SR1578'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 1,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR1578 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 SR1578?
SR1578 has an NBI inventory load rating of 32.6 metric tons.
Who is responsible for maintaining SR1578?
SR1578 is owned and maintained by State Highway Agency.
How old is SR1578 and does age affect safety?
SR1578 was built in 1960, making it 66 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.
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.