Six Mile Rd / 640
Carrying Six Mile Rd / 640 over Pigg River
0.05 RT 602; 0.90 RT 806, Franklin, Virginia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Six Mile Rd / 640
The Six Mile Rd / 640 bridge in Franklin, Virginia carries Six Mile Rd / 640 over Pigg River. It was built in 1978, making it 48 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 28.0 meters (92 feet) end to end. Daily traffic averages 747 vehicles, placing it in the lower-traffic tier of Virginia bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 56.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Six Mile Rd / 640 compares
Live comparison across Virginia.
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 How the historical reference is calculated.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
- 1978
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 28.0 m (92 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 747 vehicles/day
- Structure Number
- 000000000007863
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether Six Mile Rd / 640 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 Six Mile Rd / 640 against other structures in Franklin 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 Six Mile Rd / 640?
Six Mile Rd / 640 in Franklin, Virginia has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is Six Mile Rd / 640 inspected?
Six Mile Rd / 640'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 747 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Six Mile Rd / 640 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 Six Mile Rd / 640?
Six Mile Rd / 640 has an NBI inventory load rating of 56.2 metric tons.
Who is responsible for maintaining Six Mile Rd / 640?
Six Mile Rd / 640 is owned and maintained by State Highway Agency.
How old is Six Mile Rd / 640 and does age affect safety?
Six Mile Rd / 640 was built in 1978, making it 48 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.