MILL MOUNTAIN SPUR
Carrying MILL MOUNTAIN SPUR over YELLOW MOUNTAIN ROAD
1 MILE TO PARKWAY AT MP 1, Roanoke, Virginia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MILL MOUNTAIN SPUR
The MILL MOUNTAIN SPUR bridge in Roanoke, Virginia carries MILL MOUNTAIN SPUR over YELLOW MOUNTAIN ROAD. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 120 vehicles, placing it in the lower-traffic tier of Virginia bridges. It is owned and maintained by National Park Service.
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 19.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MILL MOUNTAIN SPUR 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 How the historical reference is calculated.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
- 1966
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 27.4 m (90 ft)
- Deck Width
- 10.3 m (34 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 120 vehicles/day
- Structure Number
- 5140036P0000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether MILL MOUNTAIN SPUR 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 MILL MOUNTAIN SPUR against other structures in Roanoke 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 MILL MOUNTAIN SPUR?
MILL MOUNTAIN SPUR in Roanoke, 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 MILL MOUNTAIN SPUR inspected?
MILL MOUNTAIN SPUR'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 120 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MILL MOUNTAIN SPUR 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 MILL MOUNTAIN SPUR?
MILL MOUNTAIN SPUR has an NBI inventory load rating of 19.0 metric tons.
Who is responsible for maintaining MILL MOUNTAIN SPUR?
MILL MOUNTAIN SPUR is owned and maintained by National Park Service.
How old is MILL MOUNTAIN SPUR and does age affect safety?
MILL MOUNTAIN SPUR was built in 1966, making it 60 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.