FHWA NBI 2024 Inspection record Public-domain dataset

INTERSTATE 110

Carrying INTERSTATE 110 over SLAUSON AVE & BNSF RY

07-LA-110-17.98-LA, Los Angeles, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating Lower than 63% of rated California bridges

INTERSTATE 110 in Los Angeles, California sits above 37% of rated California bridges on inventory load rating (32 t), while its 1996 build year is earlier than 7% of Los Angeles's recorded-year cohort (3,547 bridges).

INTERSTATE 110 in Los Angeles, California is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1996, 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:53 0911

LATE-CENTURY · PRESTRESS · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-POOR

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • 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: INTERSTATE 110

The INTERSTATE 110 bridge in Los Angeles, California carries INTERSTATE 110 over SLAUSON AVE & BNSF RY. It was built in 1996, making it 30 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 48.7 meters (160 feet) end to end. Daily traffic averages 300,000 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 4/9, 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 INTERSTATE 110 compares

▲ 0.3
Load rating vs California average (32.1 t; 25,538 of 25,848 rated)
3,547
Bridges in Los Angeles · 120 in Poor condition

Age against the county: built in 1996, earlier than 242 of Los Angeles's 3,547 bridges with a recorded construction year (7%), against a county median build year of 1965. This is one of the newer structures in its county.

INTERSTATE 110 32.4 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).

INTERSTATE 110 vs every rated California bridge

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

32 Top 63% higher than 37% 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
4/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 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.

Los Angeles inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 3,547 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
1996
Material
Prestressed Concrete
Number of Spans
2
Structure Length
48.7 m (160 ft)
Deck Width
99.5 m (326 ft)
Owner
State Highway Agency
Avg Daily Traffic
300,000 vehicles/day
Structure Number
53 0911

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) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

INTERSTATE 110 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 INTERSTATE 110 against other structures in Los Angeles 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 INTERSTATE 110?

INTERSTATE 110 in Los Angeles, California has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is INTERSTATE 110 inspected?

INTERSTATE 110'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 300,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. INTERSTATE 110 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 INTERSTATE 110?

INTERSTATE 110 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining INTERSTATE 110?

INTERSTATE 110 is owned and maintained by State Highway Agency.

How old is INTERSTATE 110 and does age affect safety?

INTERSTATE 110 was built in 1996, making it 30 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

XFacebookLinkedInWhatsAppEmail

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.