FHWA NBI 2024 Inspection record Public-domain dataset

Quinby Bridge Road

Carrying Quinby Bridge Road over Machipongo River

2.86 from 13/0.85 to 605, Accomack, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
47 t Inventory load rating

Bridge Snapshot: Quinby Bridge Road

The Quinby Bridge Road bridge in Accomack, Virginia carries Quinby Bridge Road over Machipongo River. It was built in 1988, making it 38 years old today. The structure is built primarily of prestressed concrete and spans 7 sections, stretching 96.2 meters (316 feet) end to end. Daily traffic averages 1,092 vehicles, placing it in the moderately-trafficked tier of Virginia bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 47.2 metric tons.

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

How Quinby Bridge Road compares

▲ 1.2
Load rating vs Virginia average (46.0 t)
Top 43%
Higher load rating than 57% of Virginia bridges
31
Bridges in Accomack · 1 in Poor condition
Quinby Bridge Road 47.2 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
74.4 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
15.4
Essentiality /15
14.1
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
47.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1988
Material
Prestressed Concrete
Number of Spans
7
Structure Length
96.2 m (316 ft)
Deck Width
9.1 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,092 vehicles/day
Structure Number
000000000000357

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, 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 Quinby Bridge Road 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 Quinby Bridge Road against other structures in Accomack and across Virginia. Virginia 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 Quinby Bridge Road?

Quinby Bridge Road in Accomack, Virginia has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is Quinby Bridge Road inspected?

Quinby Bridge Road'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 1,092 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Quinby Bridge Road 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 Quinby Bridge Road?

Quinby Bridge Road has an NBI inventory load rating of 47.2 metric tons.

Who is responsible for maintaining Quinby Bridge Road?

Quinby Bridge Road is owned and maintained by State Highway Agency.

How old is Quinby Bridge Road and does age affect safety?

Quinby Bridge Road was built in 1988, making it 38 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.