BLUE RIDGE RD
Carrying BLUE RIDGE RD over BEAR CR
S 31 T 49 N R 12 W, Boone, Missouri
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
BLUE RIDGE RD in Boone, Missouri sits above 33% of rated Missouri bridges on inventory load rating (26 t), while its 1982 build year is earlier than 49% of Boone's recorded-year cohort (334 bridges).
BLUE RIDGE RD in Boone, Missouri is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1982, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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 MO:15429
LATE-CENTURY · PRESTRESS · MULTI-SPAN · SUB-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- MULTI-SPAN 2 spans
- SUB-LED Substructure-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: BLUE RIDGE RD
The BLUE RIDGE RD bridge in Boone, Missouri carries BLUE RIDGE RD over BEAR CR. It was built in 1982, making it 44 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 21.6 meters (71 feet) end to end. Daily traffic averages 1,050 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.
How BLUE RIDGE RD compares
Age against the county: built in 1982, earlier than 162 of Boone's 334 bridges with a recorded construction year (49%), against a county median build year of 1982.
Live comparison across Missouri bridges with a recorded inventory load rating (24,616 of 24,618 rated).
BLUE RIDGE RD vs every rated Missouri bridge
Inventory load rating (metric tons), FHWA NBI, this state
26 Top 67% higher than 33% of 24,616 bridges
rated Missouri 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.
Boone inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 334 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
- 1982
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 21.6 m (71 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 1,050 vehicles/day
- Structure Number
- 15429
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.
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 BLUE RIDGE RD 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 BLUE RIDGE RD against other structures in Boone and across Missouri. Missouri 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 BLUE RIDGE RD?
BLUE RIDGE RD in Boone, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is BLUE RIDGE RD inspected?
BLUE RIDGE RD'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 1,050 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. BLUE RIDGE RD 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 BLUE RIDGE RD?
BLUE RIDGE RD has an NBI inventory load rating of 26.1 metric tons.
Who is responsible for maintaining BLUE RIDGE RD?
BLUE RIDGE RD is owned and maintained by City/Municipal Highway Agency.
How old is BLUE RIDGE RD and does age affect safety?
BLUE RIDGE RD was built in 1982, making it 44 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.