VIOLA MAIN STREET
Carrying VIOLA MAIN STREET over FOUR MILE CREEK
0.1 N. VIOLA, Latah, Idaho
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
VIOLA MAIN STREET in Latah, Idaho sits above 83% of rated Idaho bridges on inventory load rating (44 t), while its 2010 build year is earlier than 12% of Latah's recorded-year cohort (115 bridges).
VIOLA MAIN STREET in Latah, Idaho is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2010, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. 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 ID:000000000029686
POST-2000 · CONCRETE · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- CONCRETE Concrete
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- LOCAL-ADT Local 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: VIOLA MAIN STREET
The VIOLA MAIN STREET bridge in Latah, Idaho carries VIOLA MAIN STREET over FOUR MILE CREEK. It was built in 2010, making it 16 years old today. The structure is built primarily of concrete and spans 1 section, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 130 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by Other Local Agencies.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How VIOLA MAIN STREET compares
Age against the county: built in 2010, earlier than 14 of Latah's 115 bridges with a recorded construction year (12%), against a county median build year of 1977. This is one of the newer structures in its county.
Live comparison across Idaho bridges with a recorded inventory load rating (4,574 of 4,616 rated).
VIOLA MAIN STREET vs every rated Idaho bridge
Inventory load rating (metric tons), FHWA NBI, this state
44 Top 17% higher than 83% of 4,574 bridges
rated Idaho 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.
Latah inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 115 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
- 2010
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 11.0 m (36 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- Other Local Agencies
- Avg Daily Traffic
- 130 vehicles/day
- Structure Number
- 000000000029686
Condition Analysis
- • At 8/9, 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 (8/9), showing no significant deterioration.
- • At 8/9, 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 VIOLA MAIN STREET 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 VIOLA MAIN STREET against other structures in Latah and across Idaho. Idaho 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 VIOLA MAIN STREET?
VIOLA MAIN STREET in Latah, Idaho has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is VIOLA MAIN STREET inspected?
VIOLA MAIN STREET'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 130 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. VIOLA MAIN STREET 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 VIOLA MAIN STREET?
VIOLA MAIN STREET has an NBI inventory load rating of 43.5 metric tons.
Who is responsible for maintaining VIOLA MAIN STREET?
VIOLA MAIN STREET is owned and maintained by Other Local Agencies.
How old is VIOLA MAIN STREET and does age affect safety?
VIOLA MAIN STREET was built in 2010, making it 16 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.