TABLE MOUNTAIN BLV
Carrying TABLE MOUNTAIN BLV over THERMALITO POWER CANAL
0.8 MI NW NELSON AVE, Butte, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
TABLE MOUNTAIN BLV in Butte, California sits above 97% of rated California bridges on inventory load rating (59 t), while its 1965 build year is earlier than 38% of Butte's recorded-year cohort (437 bridges).
TABLE MOUNTAIN BLV in Butte, California is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1965, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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 CA:12C0228
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- DECK-LED Deck-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy 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: TABLE MOUNTAIN BLV
The TABLE MOUNTAIN BLV bridge in Butte, California carries TABLE MOUNTAIN BLV over THERMALITO POWER CANAL. It was built in 1965, making it 61 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 82.3 meters (270 feet) end to end. Daily traffic averages 3,312 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How TABLE MOUNTAIN BLV compares
Age against the county: built in 1965, earlier than 164 of Butte's 437 bridges with a recorded construction year (38%), against a county median build year of 1961. This is one of the newer structures in its county.
Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).
TABLE MOUNTAIN BLV vs every rated California bridge
Inventory load rating (metric tons), FHWA NBI, this state
59 Top 3% higher than 97% of 25,538 bridges
rated California 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.
Butte inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 437 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
- 1965
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 82.3 m (270 ft)
- Deck Width
- 11.2 m (37 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 3,312 vehicles/day
- Structure Number
- 12C0228
Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • 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 TABLE MOUNTAIN BLV 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 TABLE MOUNTAIN BLV against other structures in Butte and across California. California 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 TABLE MOUNTAIN BLV?
TABLE MOUNTAIN BLV in Butte, California has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is TABLE MOUNTAIN BLV inspected?
TABLE MOUNTAIN BLV'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 3,312 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TABLE MOUNTAIN BLV 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 TABLE MOUNTAIN BLV?
TABLE MOUNTAIN BLV has an NBI inventory load rating of 58.6 metric tons.
Who is responsible for maintaining TABLE MOUNTAIN BLV?
TABLE MOUNTAIN BLV is owned and maintained by Other State Agencies.
How old is TABLE MOUNTAIN BLV and does age affect safety?
TABLE MOUNTAIN BLV was built in 1965, making it 61 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.