STATE ROUTE 70 WB
Carrying STATE ROUTE 70 WB over BEAR RIVER (RIO OSO)
03-SUT-070-8.09, Sutter, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
STATE ROUTE 70 WB in Sutter, California sits above 14% of rated California bridges on inventory load rating (23 t), while its 1961 build year is earlier than 55% of Sutter's recorded-year cohort (121 bridges).
STATE ROUTE 70 WB in Sutter, California is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1961, 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:18 0001L
INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- LONG-SPAN-RUN 24 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy 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: STATE ROUTE 70 WB
The STATE ROUTE 70 WB bridge in Sutter, California carries STATE ROUTE 70 WB over BEAR RIVER (RIO OSO). It was built in 1961, making it 65 years old today. It was last reconstructed in 2006, extending its service life. The structure is built primarily of concrete continuous and spans 24 sections, stretching 464.8 meters (1525 feet) end to end. Daily traffic averages 15,800 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by State Highway Agency.
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. All reported major components score above the Poor range.
How STATE ROUTE 70 WB compares
Age against the county: built in 1961, earlier than 67 of Sutter's 121 bridges with a recorded construction year (55%), against a county median build year of 1970. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).
STATE ROUTE 70 WB vs every rated California bridge
Inventory load rating (metric tons), FHWA NBI, this state
23 Top 86% higher than 14% 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.
Sutter inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 121 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
- 1961
- Last Reconstructed
- 2006
- Material
- Concrete Continuous
- Number of Spans
- 24
- Structure Length
- 464.8 m (1525 ft)
- Deck Width
- 12.8 m (42 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 15,800 vehicles/day
- Structure Number
- 18 0001L
Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • 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 STATE ROUTE 70 WB 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 STATE ROUTE 70 WB against other structures in Sutter 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 STATE ROUTE 70 WB?
STATE ROUTE 70 WB in Sutter, 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 STATE ROUTE 70 WB inspected?
STATE ROUTE 70 WB'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 15,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 70 WB 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 STATE ROUTE 70 WB?
STATE ROUTE 70 WB has an NBI inventory load rating of 23.0 metric tons.
Who is responsible for maintaining STATE ROUTE 70 WB?
STATE ROUTE 70 WB is owned and maintained by State Highway Agency.
How old is STATE ROUTE 70 WB and does age affect safety?
STATE ROUTE 70 WB was built in 1961, making it 65 years old and last reconstructed in 2006.
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.
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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.