MILL MOUNTAIN SPUR
Carrying MILL MOUNTAIN SPUR over VA ROUTE 672
0.2 MILES TO PARKWAY AT M, Roanoke, Virginia
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MILL MOUNTAIN SPUR in Roanoke, Virginia sits above 4% of rated Virginia bridges on inventory load rating (17 t), while its 1966 build year is earlier than 43% of Roanoke's recorded-year cohort (204 bridges).
MILL MOUNTAIN SPUR in Roanoke, Virginia is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1966, it carries 3 rated components 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:5140035P0000000
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- LIGHT-LOAD Light 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: MILL MOUNTAIN SPUR
The MILL MOUNTAIN SPUR bridge in Roanoke, Virginia carries MILL MOUNTAIN SPUR over VA ROUTE 672. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 35.8 meters (117 feet) end to end. Daily traffic averages 400 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.
How MILL MOUNTAIN SPUR compares
Age against the county: built in 1966, earlier than 88 of Roanoke's 204 bridges with a recorded construction year (43%), against a county median build year of 1964. This is one of the newer structures in its county.
Live comparison across Virginia bridges with a recorded inventory load rating (14,112 of 14,120 rated).
MILL MOUNTAIN SPUR vs every rated Virginia bridge
Inventory load rating (metric tons), FHWA NBI, this state
17 Top 96% higher than 4% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Roanoke inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 204 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
- 1966
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 35.8 m (117 ft)
- Deck Width
- 11.3 m (37 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 400 vehicles/day
- Structure Number
- 5140035P0000000
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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 400 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 17.2 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.
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.
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.