814® Series 18″ x 30″ Frame, Grate & Accessories
The 814® Series 18″ x 30″ frame and grate is a proven and trusted TxDOT standard known for its durability and versatility in storm inlets, curbs, area drains, and linear grate arrangements. Not only used by TxDOT but by many other municipalities and contractors for their storm drainage projects. An extremely versatile product that can be used in many different combinations to accomplish linear or large size drainage in traffic load situations. We stock the combination frames, standard and vane grates, ADA-compliant pedestrian-style grates, curb hoods, I-beams, nuts, and bolts. With detailed traffic ratings, ASTM data, and open areas specified in grate descriptions, Bass & Hays can furnish you with the American-made quality drainage solutions you need for your projects.
The 814® Type #7 TxDOT-approved 18″ x 30″ 2-flange frame is built to standard specifications for curb, storm inlet, area, or linear grate arrangements. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, offering flexibility for various applications. Constructed from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame ensures superior durability, compliance, and performance for reliable drainage and stormwater management solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #5 TxDOT-approved 18″ x 30″ 1-flange frame is engineered to standard specifications for curb, storm inlet, area, or linear grate arrangements. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, offering flexibility for various applications. Constructed from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame ensures exceptional durability, compliance, and performance for reliable drainage and stormwater management solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #4 TxDOT-approved 18″ x 30″ 2-flange frame is built to standard specifications for curb, storm inlet, area, or linear grate arrangements. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, providing flexibility for various installation needs. Made from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame delivers outstanding durability, compliance, and performance for effective drainage and stormwater management solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #3 TxDOT-approved 18″ x 30″ 2-flange frame is designed for curb, storm inlet, area, or linear grate arrangements, meeting standard specifications. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, offering flexibility for various applications. Constructed from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame ensures exceptional durability, compliance, and performance for reliable drainage and stormwater management.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #2 TxDOT-approved 18″ x 30″ 3-flange frame is engineered for curb, storm inlet, area, or linear grate arrangements, meeting standard specifications. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, providing flexibility for various applications. Made from uncoated cast gray iron, it complies with ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame delivers superior durability, compliance, and performance for effective drainage and stormwater management solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #1 TxDOT-approved 18″ x 30″ 4-flange frame is designed for curb, storm inlet, area, or linear grate arrangements and meets standard specifications. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, offering flexibility for various applications. Crafted from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame ensures exceptional durability, compliance, and performance for demanding drainage and stormwater management needs.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #8 TxDOT-approved 18″ x 30″ 2-flange frame is designed to meet standard specifications for curb, storm inlet, area, or linear grate arrangements. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, providing flexibility for various installation needs. Made from uncoated cast gray iron, it complies with ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame delivers exceptional durability, compliance, and performance for effective drainage and stormwater management solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® Type #6 TxDOT-approved 18″ x 30″ 3-flange frame is designed to meet standard specifications for curb, storm inlet, area, or linear grate arrangements. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, providing flexibility for various installation needs. Made from uncoated cast gray iron, it complies with ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame delivers exceptional durability, compliance, and performance for effective drainage and stormwater management.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® 18″ x 30″ cast iron directional flow grate is designed for precise water management—simply turn the grate to reverse flow direction as needed. Manufactured in the USA from durable, uncoated ASTM A48 CL35B cast gray iron, this stock item meets TxDOT standard specifications and AASHTO M306-10 requirements. When installed in a rated frame with proper reinforcement, the grate is H-20 traffic rated, delivering exceptional strength, compliance, and long-lasting usability for demanding infrastructure projects.
NOTE: Grate slot total open area is 195 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
Control the direction of water flow on your drainage project with our 814® 18″ X 30″ directional flow cast iron grate, engineered to give you precise control over water flow. This versatile grate allows you to manage the direction of drainage by simply turning it around. Made in the USA, it complies with TxDOT and AASHTO M306-10 standards and is crafted from durable ASTM A48 CL35B cast gray iron. When installed correctly in a rated frame, this stock item achieves an H-20 traffic rating, ensuring reliable performance and strength for demanding infrastructure applications.
NOTE: Grate slot total open area is approx. 195 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® TxDOT-approved 18″ x 30″ frame is designed to meet standard specifications for curb, storm inlet, area, or linear grate arrangements, offering versatile frame combinations and possibilities. H-20 traffic rated when properly installed with appropriately sized I-beams in reinforced concrete and paired with H-20 traffic-rated grates, this frame ensures reliable performance. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, providing flexibility for various applications. Made from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, the 814® frame delivers exceptional durability, compliance, and performance for effective drainage and stormwater management solutions.
Click on the image to enlarge it and explore all the possibilities that can solve your drainage problems requiring traffic rated drain grate solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
Our TxDOT-approved 814® series curb hood is expertly designed for storm and curb inlets, integrating seamlessly with our 814® series frames and grates. Made in the USA from high-strength ASTM A48 CL35B cast gray iron, this stock item meets AASHTO M306-10 standards for guaranteed quality and durability. It provides an efficient drainage solution, featuring a curb inlet open area of approximately 126.5 square inches and a bottom outlet of 213.5 square inches. Engineered for secure attachment to the frame, this curb hood delivers reliable performance for your infrastructure projects, with other sizes and styles also available.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
Securely assemble your 814® frames to other frames or attach frames to curb hoods with our high-quality SAE bolts and nuts. These stock items are designed for durability and precision, ensuring a reliable fit for your infrastructure needs. Proudly made in the USA, our bolts and nuts deliver exceptional performance and long-lasting quality you can trust.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
Get durable steel 4X7 I-beams, available in standard sizes or custom-cut to your exact specifications, for supporting any 814® frame combination, run, standard area configuration, single unit, or other grate types. Refer to your blueprints and engineering specs to ensure you order the correct lengths and quantities for your project. Crafted from uncoated ASTM A36 grade extruded steel, these beams are built for strength and reliability. Please note that non-standard sizes, which cannot be resold, are non-returnable. Proudly made in the USA, our I-beams deliver precision and quality for your infrastructure needs.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
Our 814® 18″ X 30″ cast iron grate is a high-quality, traffic-rated solution designed for superior performance and durability. Made in the USA from uncoated ASTM A48 CL35B cast gray iron, this grate meets rigorous TxDOT and AASHTO M306-10 standards. It features an H-20 traffic rating when correctly installed in a rated frame, making it ideal for heavy-duty applications. The design includes a distinctive “Trout LOGO” with the message “dump no waste – drains to waterways,” promoting awareness of our responsibility for a clean environment while ensuring effective drainage. This stock item delivers both compliance and reliability for your infrastructure projects.
NOTE: Grate slot total open area is 260 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.
The 814® 18″ X 30″ ADA-rated pedestrian grate is the ideal choice for projects that demand superior safety, accessibility, and high performance. Constructed from durable, uncoated ASTM A48 CL35B cast gray iron, this cast iron grate meets rigorous TxDOT and AASHTO M306-10 standards and achieves a reliable H-20 traffic rating when properly installed. Its unique “Trout LOGO” and “dump no waste – drains to waterways” message promote environmental responsibility and ensure effective drainage. In stock and ready for installation, this pedestrian grate offers dependable compliance and long-lasting pedestrian safety for infrastructure projects. Made in USA.
NOTE: Grate slot total open area is 160 square inches (actual flow must be calculated by a qualified engineer)
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.


The 814® Type #9 TxDOT-approved 18″ x 30″ 1-flange frame is engineered to standard specifications for curb, storm inlet, area, or linear grate arrangements. This stock item is H-20 traffic rated when properly installed with I-beams in reinforced concrete and paired with H-20 traffic-rated grates. Grates, I-beams, bolts, nuts, and curb hoods are sold separately, offering flexibility for various applications. Constructed from uncoated cast gray iron, it meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards. Proudly made in the USA, this frame ensures exceptional durability, compliance, and performance for reliable drainage and stormwater management solutions.
Contact Bass & Hays or call us at 1-800-258-2278 toll free or 972-263-1360 DFW Metro. Check stock, request technical data, drawings, submittals, BABA, AIS or LEED documentations and certifications, or to place orders.