SIXTY-EIGHTH AVE
Carrying SIXTY-EIGHTH AVE over SOUTH FORK ANTELOPE CRK
AT SR 99, Tehama, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SIXTY-EIGHTH AVE
The SIXTY-EIGHTH AVE bridge in Tehama, California carries SIXTY-EIGHTH AVE over SOUTH FORK ANTELOPE CRK. It was built in 1929, making it 97 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 500 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 34.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SIXTY-EIGHTH AVE compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1929
- Last Reconstructed
- 1996
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 11.6 m (38 ft)
- Deck Width
- 6.1 m (20 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 500 vehicles/day
- Structure Number
- 08C0104
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
SIXTY-EIGHTH AVE is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare SIXTY-EIGHTH AVE against other structures in Tehama 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 SIXTY-EIGHTH AVE?
SIXTY-EIGHTH AVE in Tehama, California has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is SIXTY-EIGHTH AVE inspected?
SIXTY-EIGHTH AVE'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 500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SIXTY-EIGHTH AVE is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SIXTY-EIGHTH AVE?
SIXTY-EIGHTH AVE has an NBI inventory load rating of 34.7 metric tons.
Who is responsible for maintaining SIXTY-EIGHTH AVE?
SIXTY-EIGHTH AVE is owned and maintained by County Highway Agency.
How old is SIXTY-EIGHTH AVE and does age affect safety?
SIXTY-EIGHTH AVE was built in 1929, making it 97 years old and last reconstructed in 1996.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.