WEST LANE
Carrying WEST LANE over MOSHER SLOUGH
0.5 MI N HAMMER LANE, San Joaquin, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: WEST LANE
The WEST LANE bridge in San Joaquin, California carries WEST LANE over MOSHER SLOUGH. It was built in 1966, making it 60 years old today. It was last reconstructed in 1972, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 27,300 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, 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. Its NBI inventory load rating is 27.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How WEST LANE 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 How the historical reference is calculated.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
- 1966
- Last Reconstructed
- 1972
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 18.9 m (62 ft)
- Deck Width
- 29.3 m (96 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 27,300 vehicles/day
- Structure Number
- 29C0086
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
How to read this record
This page shows what the last federal inspection recorded, not whether WEST LANE 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 WEST LANE against other structures in San Joaquin 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 WEST LANE?
WEST LANE in San Joaquin, California has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is WEST LANE inspected?
WEST LANE'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 27,300 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WEST LANE 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 WEST LANE?
WEST LANE has an NBI inventory load rating of 27.9 metric tons.
Who is responsible for maintaining WEST LANE?
WEST LANE is owned and maintained by City/Municipal Highway Agency.
How old is WEST LANE and does age affect safety?
WEST LANE was built in 1966, making it 60 years old and last reconstructed in 1972.
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.