FHWA NBI 2024 Inspection record Public-domain dataset

INGRAHAM ST RAMP

Carrying INGRAHAM ST RAMP over INGRAHAM ST-SUNSET CLIFF

0.6MI N/O RTE I-8, San Diego, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
62 t Inventory load rating Higher than 98% of rated California bridges

INGRAHAM ST RAMP in San Diego, California sits above 98% of rated California bridges on inventory load rating (62 t), while its 1972 build year is earlier than 54% of San Diego's recorded-year cohort (1,632 bridges).

INGRAHAM ST RAMP in San Diego, California is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1972, 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:57C0255

INTERSTATE-ERA · CONCRETE · SINGLE-SPAN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy 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: INGRAHAM ST RAMP

The INGRAHAM ST RAMP bridge in San Diego, California carries INGRAHAM ST RAMP over INGRAHAM ST-SUNSET CLIFF. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete and spans 1 section, stretching 29.3 meters (96 feet) end to end. Daily traffic averages 6,000 vehicles, placing it in the moderately-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 4/9, superstructure at 7/9, substructure at 7/9. 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.

How INGRAHAM ST RAMP compares

▲ 30.1
Load rating vs California average (32.1 t; 25,538 of 25,848 rated)
1,632
Bridges in San Diego · 50 in Poor condition

Age against the county: built in 1972, earlier than 886 of San Diego's 1,632 bridges with a recorded construction year (54%), against a county median build year of 1974. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

INGRAHAM ST RAMP 62.2 t
California average (25,538 of 25,848 rated) 32.1 t

Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).

INGRAHAM ST RAMP vs every rated California bridge

Inventory load rating (metric tons), FHWA NBI, this state

62 Top 2% higher than 98% 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

Deck
4/9
Poor (1–4)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
62.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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 Diego inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 1,632 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
1972
Material
Concrete
Number of Spans
1
Structure Length
29.3 m (96 ft)
Deck Width
11.6 m (38 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,000 vehicles/day
Structure Number
57C0255

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear on file for this vintage.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

INGRAHAM ST RAMP 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 INGRAHAM ST RAMP against other structures in San Diego 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 INGRAHAM ST RAMP?

INGRAHAM ST RAMP in San Diego, 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 INGRAHAM ST RAMP inspected?

INGRAHAM ST RAMP'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 6,000 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. INGRAHAM ST RAMP 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 INGRAHAM ST RAMP?

INGRAHAM ST RAMP has an NBI inventory load rating of 62.2 metric tons.

Who is responsible for maintaining INGRAHAM ST RAMP?

INGRAHAM ST RAMP is owned and maintained by City/Municipal Highway Agency.

How old is INGRAHAM ST RAMP and does age affect safety?

INGRAHAM ST RAMP was built in 1972, making it 54 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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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.

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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.