The El Rio Substation project in Elverta, California, is part of SMUD’s ongoing effort to modernize its transmission infrastructure and support its Zero Carbon Plan. Designed as a replacement for the aging Elverta Substation, the new El Rio facility will improve system reliability and provide capacity for large-scale renewable energy sources feeding into the Sacramento region. The project required precise foundation work and dependable hardware to support the steel structures, high-voltage equipment, and associated transmission connections essential to the upgraded substation.
Anchor Bolt Systems for Roadway, Municipal, and DOT Projects
Light pole and traffic signal installations across state DOTs, municipalities, and roadway authorities rely on anchor bolt systems that meet strict certification, inspection, and documentation requirements. These installations depend on foundation hardware that must perform under continuous vibration, wind loading, and environmental exposure, and our fully integrated manufacturing and in-house hot-dip galvanizing operations are structured to support those demands from raw material through final shipment.
Our products are commonly used in:
- Roadway and intersection lighting systems – anchor bolt assemblies for light poles, signal standards, and mast arms
- Bridge and highway infrastructure – foundation hardware for overhead signage, luminaires, and traffic control structures
- Municipal and utility-owned poles – replacement anchor rods and custom bolt packages for retrofit and upgrade projects
With an extensive inventory of 100% raw domestic material, hardware (both domestic and import), and state-specific inspection support, Portland Bolt supplies anchor bolt packages with full certification documentation and reliable lead times for public infrastructure projects nationwide.
Commonly Used Products

Anchor Rods »
We manufacture straight, bent, and welded anchor rods in multiple grades including ASTM F1554 Grades 36, 55, and 105. Assemblies can include nuts, washers, plate washers, templates, and full certification packages.

90° Anchor Bolts »
Right-angle bend anchor bolts are among the most widely used foundation fasteners for poles and structural steel. Available in plain finish or hot-dip galvanized, manufactured to order in virtually any diameter and length.

All Thread Rods »
Threaded rod is used for general-purpose fastening and can serve as anchor rods, through-bolts, or extension rods. Available in mild steel, high-strength steel, and stainless steel.

Hex Coupling Nuts »
Used to connect two threaded components, commonly to extend anchor rods or join all-thread segments. Available in a range of finishes and thread pitches depending on application requirements.

Hex Bolts »
Portland Bolt manufactures hex head bolts up to 2-1/2″ in diameter using domestic steel. Ideal for structural, utility, and heavy construction applications where durable fastening is required.

Structural Bolts »
Heavy hex structural bolts in diameters from 1/2″ to 1-1/2″. Manufactured to ASTM A325 and A490 specifications and suited for connections in pole bases, mast arm structures, and sign trusses.
Why Light Pole and Traffic Signal Contractors Choose Portland Bolt

State-Ready Compliance and Certification
We manufacture anchor bolt assemblies that align with state DOT and municipal requirements. Complete certification packages, domestic mill test reports, mechanical testing, and inspector-approved documentation ensure smooth reviews and fully compliant installations.

Integrated Manufacturing for Reliable Delivery
Our in-house threading, bending, fabrication, and hot-dip galvanizing capabilities allow us to control production from start to finish. This vertical integration enables consistent lead times for both large and fast-track roadway lighting and signal projects.

Expertise in Transportation and Utility Infrastructure
Our team reviews pole foundation drawings, bolt patterns, and DOT specifications daily. We help interpret engineered requirements and provide hardware configurations that support accurate, efficient installation in the field.

Custom Assemblies for Complex Foundation Designs
Portland Bolt produces complete anchor bolt assemblies including rods, plates, templates, and washers built to match exact project drawings. Whether for high-mast lighting, mast arm signals, or multi-bolt foundations, every component is precision manufactured.

Domestic Materials and Full Traceability
We stock a significant inventory of 100 percent domestic steel to meet Buy America and other federal funding mandates. All certifications are delivered digitally and archived for long-term traceability, giving contractors and agencies complete confidence in material origins.
Light Pole and Traffic Signal Expert FAQs
Most DOT and municipal lighting projects call for anchor rods manufactured to ASTM F1554 Grades 36, 55, or 105. Portland Bolt produces straight, bent, and welded rods using 100 percent domestic material and provides complete mill test reports and certification packages to ensure full compliance with engineered specifications.
Yes. Portland Bolt is an approved supplier in many states, and inspectors regularly visit our facility to verify material and witness testing. We supply full documentation that includes mill test reports, mechanical test results, galvanizing certifications, hardware compatibility verification, and any required state inspection paperwork.
Performing hot-dip galvanizing in-house allows us to maintain strict control over coating consistency and turnaround times. Each galvanized bolt is checked for thread coverage, coating thickness, nut fit, and overall finish quality, which reduces the risk of field issues and avoids delays associated with third-party galvanizers.
Yes. Portland Bolt fabricates template plates, washer plates, and embedded plate assemblies in-house using precision shearing and punching equipment. We produce custom hole patterns, thicknesses, and configurations that match engineered drawings for both new installations and retrofit projects.
Absolutely. We provide fully packaged assemblies that include anchor rods, nuts, washers, plate washers, and templates. All components are verified for compatibility, labeled according to project requirements, and accompanied by complete certification documentation.
Lead times vary by diameter, grade, and quantity, but our vertically integrated manufacturing process allows us to respond quickly even on large orders. Our extensive domestic steel inventory and in-house fabrication and galvanizing capabilities help ensure reliable delivery schedules.
Yes. Our team reviews pole and signal structure drawings daily and helps identify appropriate material grades, embedment lengths, thread requirements, and hardware configurations. This guidance ensures alignment with DOT standards and manufacturability.
Yes. Portland Bolt manufactures right angle bend anchor bolts in a wide range of diameters and lengths, available in plain or galvanized finish. All bending is performed in-house so that dimensions match engineered requirements.
We perform tensile testing, proof load testing, hardness testing, and rotational capacity testing when required. These tests confirm that anchor rods meet mechanical performance standards, and all results are included in the project’s certification package.
Yes. We manufacture threaded rod in multiple material grades and stock coupling nuts for extending anchor rods or joining threaded components. These products are frequently used for pole replacements, retrofits, and utility-owned repair work.
We use 100 percent domestic steel and provide complete mill test reports, galvanizing certifications, mechanical test results, and state-required documentation. This ensures full compliance with Buy America, Buy American Act, and other federal funding requirements.
Yes. We routinely package and label anchor bolt assemblies based on pole number or foundation location. This helps contractors stage materials efficiently and reduces installation errors during roadway and intersection projects.
PROJECT AT A GLANCESMUD El Rio Substation
PRODUCTS USED:
- Products: Anchor Bolts, High Strength Rods, Threaded Rebar, all thread rod
- Grades: F1554, A615
- Diameters: 1″, 1-1/4″ 1-3/8″ 1-1/2″, 1-3/4” and 2″
- Lengths: 1/2″ – 132″
- Finishes: hot-dip galvanized
- Weight: 23,752 lbs.




