Singular Structures — AI-assisted structural checking & forensic engineering

Expertise-led · AI-instrumented

Independent structural checking and forensic investigation — the whole structure, signed off by the engineer.

Over three decades of international bridge engineering expertise — design, assessment, and forensic — applied with rigour and the latest technology to verify every structural element against the governing codes and the project specifications, in the duty to deliver safety, integrity, serviceability, and durability.

Expert

Senior engineering judgment where it matters — not delegated, not diluted, and never handed to a machine.

Independent

A senior third party, distinct from the original designer — independence as the deliverable, not a formality.

Instrumented

AI-instrumented and engineer-led: our own tools let one senior engineer verify the whole structure, and sign it.

About the firm, the full track record and our other services live at singularstructures.com ↗

Approach

How we work, and why it can be trusted.

We offer our structural expertise to validate your bridge design — exercised independently and rigorously, and instrumented so that it reaches the whole structure rather than a sample. The tools do the reach; the engineer does the reasoning, performs the checks, and signs off.

“Mettere il cuore” (E. Piccinini, Italian Surgeon) — We commit our full passion and intellect to every task.

Demand versus capacity

Every verification reduces to one question, asked against the governing code:

Sd  ≤  Rd

The design demand (Sd) must not exceed the design resistance (Rd) — checked at every section of the structure, for every load combination, and for every limit state (Ultimate, Serviceability, and Fatigue).

The numbers are deterministic

Capacities are computed by a deterministic engine that applies the code equations exactly — auditable and repeatable. The AI reads documents, organises the data to the engineer's instructions, and provides a "cockpit" — a control room from which the engineer runs the assessment. It never invents a capacity.

The code equations are applied deterministically; the partial factors they use — material properties and load coefficients — are themselves derived probabilistically within the code.

Our approach to responsibility

The engineer keeps authorship and accountability for the check; in forensic work, the forensic expert keeps the diagnosis and the opinion. The tools inform and accelerate the work — they never replace the judgment or the signature.

A published methodology

Our forensic investigations follow a method we developed and published in a leading peer-reviewed journal — a dual Fault-Tree and Analytical-Hierarchical approach to shallow, deep and root causes.

Rus et al., Structural Engineering International, 2024 ↗

Diligence, made explicit

Engineer-led

The engineer confirms at each decision point; the tool never proceeds on its own.

Traceable

Every result records its inputs and assumptions — the check is auditable from end to end.

Comprehensive

The whole structure is checked, element by element — not a representative sample.

Services

Expert, Independent, Instrumented.

Delivered by a senior engineer, with the tool providing the reach — not the engineering judgment.

Lead service

Independent design checking & proof engineering

Comprehensive, independent validation of a design against the governing codes and project specifications — every element, every combination — by a senior engineer who signs off.

Forensic

Forensic structural investigation

Failure analysis on our peer-reviewed methodology — tracing shallow, deep, and root causes, and the triggering effect.

Review

Design review & construction verification

Independent review of complex-structure designs and verification through construction — staged analysis and erection checks, including segmental and balanced-cantilever work.

Assessment

Existing-structure assessment

Capacity assessment and design-life review of existing structures — the same demand-versus-capacity engine, applied to the as-built.

AI advisory & co-delivery

Beyond the structural work — advising on AI, and co-delivering with partner firms.

Advisory

AI consultancy

Advising engineering firms and asset owners on where AI genuinely helps structural work — and where it must not: strategy, tool selection, and governance, grounded in practice.

Co-delivery

Agentic platform — co-delivery

Bridge expertise led by Singular Structures, with AI specialists alongside, bringing agentic-platform capability to engineering firms — a delivered service, never a licence. We run the platform; you keep the outcome.

Other services and the full practice → singularstructures.com ↗

Independent assessment · Bridges

Agentic AI

Balanced Cantilever Precast Post-tensioned Bridge

Independent structural assessment of a continuous box-girder bridge — verifying capacity comprehensively, segment by segment, following a change in use.

3limit states
ULS · SLS · FLS
100%of elements
verified, not sampled

Major highway bridge · role: independent engineer

Forensic investigation · Bridges

Agentic AI

Single-span Reinforced Concrete Bridge

Forensic investigation of a bridge collapse — cause and triggering effect determined from site mapping, photographs, records, and witness testimony.

4independent
lines of evidence
Rootcause & trigger
identified

Rural road bridge · role: forensic investigation lead

Capacity review · Bridges

LLM Agent

Simply-supported Steel Bailey Bridges

Independent structural capacity review of nine modular-deck bridges — assessing integrity, residual risk, and construction-stage durability, with a focus on the abutments.

9bridges
reviewed
18–99 mspan range
assessed

Multi-bridge framework programme · role: structural expert

Flexural strengthening · RC

Deterministic Agent

Carbon Fiber Reinforced Polymer (CFRP) Flexural Strengthening App (ACI 440.2R-17)

Interactive app providing real-time sectional analysis, failure-mode identification, and dual ULS/SLS verification for externally bonded CFRP-strengthened RC beams.

ULS + SLSdual limit-state
verification
ACI 4402R-17
code compliance

CFRP-strengthened RC beam · role: structural retrofit specialist

Prestress & SLS audit · Bridges

Data Analyst Agent

Post-Tensioned Segmental Box Girder — Prestress Sensitivity Dashboard

Automated audit of non-linear principal-stress envelopes, SLS code-compliance thresholds, and solver boundary-condition anomalies across progressive tendon-loss scenarios (0% to 27%).

0–27%tendon-loss
scenarios audited
BS 5400Class 1 & 2
SLS limits

PT segmental box girder · role: independent checking engineer

Visual inspection · Bridges

Vision Agent

Infrastructure Health & Structural Inspection Intelligence System

A field-ready inspection platform linking photographic evidence to official technical catalogues using multimodal AI to automate damage identification and severity grading.

~65%faster
field-to-report
>80%catalogue-consistent
grading

Field inspection & asset management · role: condition assessment

N–M interaction check · Sections

Deterministic Agent

N–M Interaction Diagram Generator & Visualiser

Generates Service Limit State axial-moment (N–M) interaction diagrams from the maximum and minimum allowable stresses, locating demand points against original and reduced capacity envelopes to determine governing reserve margins — with print-ready multi-diagram reports.

N–Mdemand vs
capacity envelope
Reservemargin to the
reduced curve

Section capacity verification · role: independent checking engineer

Forensic investigation · RCFA

Agentic AI

Forensic Engineering Agent: Structural Integrity & Failure Analysis Platform

An AI-assisted forensic system that cross-references complex technical dossiers, independently audits engineering equations, resolves inter-document inconsistencies, and delivers a formal root-cause failure analysis (RCFA) across established investigation methodologies.

~85%faster evidence
cross-referencing
100%Hydraulic Report equations
independently re-checked

Structural failure adjudication · role: lead forensic investigator

Contact

Discuss an independent structural check or a forensic structural investigation.

Talk to a senior engineer with proven expertise in this domain. Enquiries are treated confidentially, as it cannot be otherwise.

contact@singularstructures.com

Company details and the full contact page → singularstructures.com ↗