FHWA NBI 2024 Inspection record Public-domain dataset

ZOAR RD.

Carrying ZOAR RD. over MORRIS MILL POND

NORTH OF MILLSBORO, Sussex, Delaware

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating

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. Its NBI inventory load rating is 23.7 metric tons.

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

How ZOAR RD. compares

▼ 15.8
Load rating vs Delaware average (39.5 t)
Bottom 5%
Lower load rating than 95% of Delaware bridges
153
Bridges in Sussex · 3 in Poor condition
ZOAR RD. 23.7 t
Delaware average 39.5 t

Live comparison across Delaware.

Historical Sufficiency Rating

PlainBridge-computed
69.4 / 100 - historical 50–79.9 band
Structural adequacy /55
46.6
Serviceability /30
10.0
Essentiality /15
13.7
Special reductions
−1.0

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 How the historical reference is calculated.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
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.

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

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.