FHWA NBI 2024 Inspection record Public-domain dataset

IS 664

Carrying IS 664 over Drum Point Creek

1.23 MI.FR.INT.RTE. 337, Chesapeake city, Virginia

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
90 t Inventory load rating Higher than 97% of rated Virginia bridges

IS 664 in Chesapeake city, Virginia sits above 97% of rated Virginia bridges on inventory load rating (90 t), while its 1991 build year is earlier than 43% of Chesapeake city's recorded-year cohort (187 bridges).

IS 664 in Chesapeake city, Virginia is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1991, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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 VA:000000000023017

LATE-CENTURY · CONCRETE · MULTI-SPAN · CULVERT-LED · HEAVY-ADT · HEAVY-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: IS 664

The IS 664 bridge in Chesapeake city, Virginia carries IS 664 over Drum Point Creek. It was built in 1991, making it 35 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 85,081 vehicles, placing it in the heavily-trafficked tier of Virginia bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How IS 664 compares

▲ 43.2
Load rating vs Virginia average (46.6 t; 14,112 of 14,120 rated)
187
Bridges in Chesapeake city · 11 in Poor condition

Age against the county: built in 1991, earlier than 81 of Chesapeake city's 187 bridges with a recorded construction year (43%), against a county median build year of 1991.

IS 664 89.8 t
Virginia average (14,112 of 14,120 rated) 46.6 t

Live comparison across Virginia bridges with a recorded inventory load rating (14,112 of 14,120 rated).

IS 664 vs every rated Virginia bridge

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

90 Top 3% higher than 97% of 14,112 bridges

rated Virginia 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

Culvert
7/9
Good (7–9)
Inventory Load Rating
89.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Chesapeake city inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 187 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
1991
Material
Concrete
Number of Spans
2
Structure Length
6.4 m (21 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
85,081 vehicles/day
Structure Number
000000000023017

How to read this record

This page shows what the last federal inspection recorded, not whether IS 664 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 IS 664 against other structures in Chesapeake city 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 IS 664?

IS 664 in Chesapeake city, Virginia on the FHWA's 0–9 scale.

How often is IS 664 inspected?

IS 664'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 85,081 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IS 664 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IS 664?

IS 664 has an NBI inventory load rating of 89.8 metric tons.

Who is responsible for maintaining IS 664?

IS 664 is owned and maintained by State Highway Agency.

How old is IS 664 and does age affect safety?

IS 664 was built in 1991, making it 35 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.