Statewide Standard files: TxDOT Divisions maintain Statewide electronic master files. The responsible Division is identified in the plan title block, and good quality printed versions of the file may be used statewide in plan sets without being signed and sealed by a licensed engineer.

This chapter describes the hydraulic aspects of culvert design, construction and operation of culverts, and makes references to structural aspects only as they are related to the hydraulic design.

New and revised culvert and drainage standard drawings, with issue date of February 2020, are posted on the TxDOT web site and available for immediate use. In general, updates to these standards include updating reinforcement lap lengths; adhesive anchor notes; updating bolt callout to the current ASTM; and editorial revisions.

This page provides chapter summaries for the Maintenance Operations Manual, which addresses maintenance associated with pavement, roadsides, bridges, traffic operations, emergency operations, and other work.

TxDOT has established standards and specifications for the construction and maintenance of highways, streets, and bridges. Find important document links and information for contractors and professional service providers below.

This document has been created to further the purposes of §201.053(b)(7) Texas Transportation Code to maximize federal funding for highways, public transportation, and aviation purposes, and to help the Department achieve its performance measures set out in …

Culverts 1. Introduction. ♦ Definition and Purpose; ♦ Construction; ♦ Inlets 2. Design Considerations. ♦ Economics; ♦ Site Data; ♦ Culvert Location; ♦ Waterway Considerations; ♦ Roadway Data; ♦ Allowable Headwater; ♦ Outlet Velocity; ♦ End Treatments; ♦ Traffic Safety; ♦ Culvert Selection; ♦ Culvert Shapes; ♦ ...

culverts must be approved in accordance with DMS-7305. The Materials and Tests Division maintains a list of approved multi-project precast box culvert fabrication plants on the Department’s MPL.

NCHRP 474: Service life of culverts: studies corrosion of common types of pipes and their causation and prevention. Most common culverts: concrete pipes, corrugated galvanized steel, thermoplastic pipe, galvanized structural plates

Sep 21, 2005 · 462 - concrete box culverts and storm drains SPECIFICATION REQUIREMENTS 1) Contractor has option of cast-in-place or precast box culverts unless otherwise shown on plans.

Roadside Parallel-Drainage Structures", Texas Transportation Institute, as recommended by Research Report 280-2F, "Safety Treatment of Pipe runners are designed for a traversing load of 10,000 Lbs at yield loading, unloading and installation. Methods of lifting shall be provided by the manufacturer for ease of

The following is a step-by-step culvert design procedure for a standard culvert configuration , i.e. straight in profile with one or more barrels of equal size. Each of the configurations considered in the iterative process of design process influences a unique flow type.

Revised Single Box Cast -in Place Culvert Standard Drawings The single box culverts cast -in place (SCC) standard drawings with a revision date of April 2021 are posted on the TxDOT web site and available for immediate use. The SCC drawings were revised to update the “X” values.

Provide cast-in-place or precast, formed or machine-made, box culverts and storm drains. For culverts with overlay or a 1- to 2-course surface treatment or if the top slab is the final riding surface, use Class S concrete for top slabs of cast-in-place concrete culverts unless otherwise shown on the plans. Use Class C concrete for the

Provide cast-in-place or precast, formed or machine-made, box culverts, and drains. Use Class S concrete for top slabs of cast-in-place concrete culverts for culverts with overlay, a 1- to 2-course surface treatment or a top slab that is the final riding surface unless otherwise shown on the plans. Use Class C concrete for the

TxDOT uses the drainage practices and design standards described in this manual for designing drainage facilities and flood control works associated with transportation projects. They are also used for evaluating the design, construction, and performance of projects in TxDOT’s right-of-way.

It is to be filled out by the culvert specifier and provides dimensions for the construction of the box culvert wingwalls and safety end treatments. An Excel 2010 spreadsheet to assist in completing this table can be downloaded from the Bridge Standards …

cross pipe is critical for vehicle safety. Place the top of the first cros. ttom pipe, of the size shown in the table. Provide a 3 1#2" standar. of the culvert using a bolted connection. Ensure that riprap concrete does not flow into the cross pipe so as to permit disassembly of the .

Dec 9, 2004 · 472 - REMOVING AND RE-LAYING CULVERT AND STORM DRAIN PIPE. SPECIFICATION REQUIREMENTS 1) Locations must be shown on plans. 2) Details of work to be shown in plans

Clean Coast Texas developed a series of modules based on the Guidance for Sustainable Stormwater Drainage on the Texas Coast manual. These interactive modules include videos, case studies, links to additional resources, and quizzes to test the user's knowledge of the content. The modules are designed to satisfy continuing education requirements ...

Mar 6, 2025 · Bridges in Texas include 56,000 bridge structures and bridge-class culverts, which support 616 million vehicles daily. ... over 19 million tons of hazardous waste through state regulations aligning with federal hazardous waste infrastructure standards. Texas programs, supported by public and private funding, have improved to meet the demands of ...

Can use Spread Footing Retaining Wall Standards as Guide –Bar Framing and Load Path Details Considering Culvert Opening Requires Less Room than MSE More Expensive at $50/SF, but More Appropriate on Small Scale Projects