FHWA NBI 2024 Inspection record Public-domain dataset

ZOAR RD.

Carrying ZOAR RD. over MORRIS MILL POND

NORTH OF MILLSBORO, Sussex, Delaware

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating Lower than 95% of rated Delaware bridges

ZOAR RD. in Sussex, Delaware sits above 5% of rated Delaware bridges on inventory load rating (24 t), while its 1932 build year is earlier than 89% of Sussex's recorded-year cohort (153 bridges).

ZOAR RD. in Sussex, Delaware is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1932, 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 DE:3673 048

PRE-1950 · CONCRETE · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • 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: ZOAR RD.

The ZOAR RD. bridge in Sussex, Delaware carries ZOAR RD. over MORRIS MILL POND. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 6,149 vehicles, placing it in the moderately-trafficked tier of Delaware 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 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How ZOAR RD. compares

▼ 15.6
Load rating vs Delaware average (39.3 t; 872 rated)
153
Bridges in Sussex · 3 in Poor condition

Age against the county: built in 1932, earlier than 136 of Sussex's 153 bridges with a recorded construction year (89%), against a county median build year of 1973. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

ZOAR RD. 23.7 t
Delaware average (872 rated) 39.3 t

Live comparison across Delaware bridges with a recorded inventory load rating (872 rated).

ZOAR RD. vs every rated Delaware bridge

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

24 Top 95% higher than 5% of 872 bridges

rated Delaware 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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
23.7 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.

Sussex inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 153 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
1932
Material
Concrete
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
8.2 m (27 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,149 vehicles/day
Structure Number
3673 048

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • 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 ZOAR RD. 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 ZOAR RD. against other structures in Sussex and across Delaware. Delaware 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 ZOAR RD.?

ZOAR RD. in Sussex, Delaware has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is ZOAR RD. inspected?

ZOAR RD.'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 6,149 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ZOAR RD. 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 ZOAR RD.?

ZOAR RD. has an NBI inventory load rating of 23.7 metric tons.

Who is responsible for maintaining ZOAR RD.?

ZOAR RD. is owned and maintained by State Highway Agency.

How old is ZOAR RD. and does age affect safety?

ZOAR RD. was built in 1932, making it 94 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

Share this inspection record

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.