E380-S101 CONNECTR
Carrying E380-S101 CONNECTR over S101-SAN BRUNO AV 7TH AV
04-SM-380-6.19-SBR, San Mateo, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
E380-S101 CONNECTR in San Mateo, California sits above 82% of rated California bridges on inventory load rating (38 t), while its 1976 build year is earlier than 24% of San Mateo's recorded-year cohort (361 bridges).
E380-S101 CONNECTR in San Mateo, California is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1976, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:35 0263G
INTERSTATE-ERA · PRESTRESS · LONG-SPAN-RUN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- LONG-SPAN-RUN 6 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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: E380-S101 CONNECTR
The E380-S101 CONNECTR bridge in San Mateo, California carries E380-S101 CONNECTR over S101-SAN BRUNO AV 7TH AV. It was built in 1976, making it 50 years old today. The structure is built primarily of prestressed concrete continuous and spans 6 sections, stretching 417.4 meters (1369 feet) end to end. Daily traffic averages 42,000 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 4/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How E380-S101 CONNECTR compares
Age against the county: built in 1976, earlier than 85 of San Mateo's 361 bridges with a recorded construction year (24%), against a county median build year of 1969. 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).
E380-S101 CONNECTR vs every rated California bridge
Inventory load rating (metric tons), FHWA NBI, this state
38 Top 18% higher than 82% 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.
San Mateo inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 361 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
- 1976
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 6
- Structure Length
- 417.4 m (1369 ft)
- Deck Width
- 13.1 m (43 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 42,000 vehicles/day
- Structure Number
- 35 0263G
Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
E380-S101 CONNECTR 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 E380-S101 CONNECTR against other structures in San Mateo 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 E380-S101 CONNECTR?
E380-S101 CONNECTR in San Mateo, California has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is E380-S101 CONNECTR inspected?
E380-S101 CONNECTR'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 42,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. E380-S101 CONNECTR 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 E380-S101 CONNECTR?
E380-S101 CONNECTR has an NBI inventory load rating of 37.6 metric tons.
Who is responsible for maintaining E380-S101 CONNECTR?
E380-S101 CONNECTR is owned and maintained by State Highway Agency.
How old is E380-S101 CONNECTR and does age affect safety?
E380-S101 CONNECTR was built in 1976, making it 50 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.
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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.