USA Banner
  U.S. flag
              An official website of the United States government Here's how you knowOfficial US Government Icon
              **Official websites use .gov**A **.gov** website belongs to an official government organization in the United States.
            Secure Site Icon
              **Secure .gov websites use HTTPS**
                  A **lock** ( A locked padlock ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. 
 U.S. Department of Transportation Icon United States Department of Transportation
 Search DOT
            Search
                        About FRAAbout FRA
  

        
              Overview
                Organization
                Program Offices
                Resource Center
                Web Policies and Notices
                Contact Us
                Communications
                Governmental AffairsFeatured
  

        
              Bipartisan Infrastructure Law Information from FRA
                Careers
                Leadership Profiles
                Organizational Chart
                Newsroom
                Press Releases
                Speeches
                Fact Sheets
                TestimonyRailroad SafetyFeatured
  

        
              Train Horn Rule/Quiet Zones
                Public Blocked Crossings Incident Reporter
                Drug & Alcohol
                Safety Data
                C3RS
                High-Hazard Flammable Train Route AssessmentRailroad Safety
  

        
              Overview
                Railroad Crossing Safety & Trespass Prevention
                Accident Data & Reporting, Investigations
                Divisions
                Partnerships & ProgramsRail Network DevelopmentFeatured
  

        
              High-Speed Rail
                Amtrak
                Environmental Reviews
                GIS Maps
                RuralRail Network Development
  

        
              Overview
                Passenger Rail
                Freight Rail
                Environment
                Planning
                International
                Maps & Data
                Training & GuidanceResearch & DevelopmentFeatured
  

        
              R&D Current Projects
                Positive Train Control
                Hazardous Materials
                Highway-Rail Grade Crossing
                Close Call Reporting
                Broad Agency AnnouncementResearch & Development
  

        
              Overview
                Program Areas
                R&D ReportsLegislation & RegulationsFeatured
  

        
              FAST Act
                National Rail Plan
                Proposed State Rail Plan
                Civil PenaltiesLegislation & Regulations
  

        
              Overview
                Legislation
                Regulations & Rulemaking
                Buy AmericaGrants & LoansFeatured
  

        
              FRA Discretionary Grant Program Tool
                Discretionary Grant Calendar
                Railroad Capital Project Guidance
                FRA Webinars
                DOT GrantsGrants & Loans
  

        
              Overview
                Grant Programs
                Applying for Grants
                Resources for Grant Recipients
                Training & GuidanceFRA eLibraryeLibrary
  

        
              Accidents & Fatalities
                Compliance
                Conferences & Presentations
                Emergency & Safety
                Enforcement & Litigation
                Publications & Policy
                Reports
                OtherMenu Home


            
            Document Type
      Emergency & Safety
  (7)Other
  (1)(-)
Reports
  (10)Reports to Congress
  (1)Research Results
  (3)Technical Reports
  (6)
Subjects
      Show all
  (4806)Environmental Protection
  (652)Passenger Rail
  (433)Evaluation
  (359)Track
  (234)Highway-Rail Grade Crossings
  (215)Hazardous Materials
  (214)Positive Train Control
  (177)Human Factors
  (171)Track/Train Interactions
  (142)Tracks & Structures
  (132)Facilities & Test Equipment
  (117)Signal and Train Control
  (107)High-Speed Passenger Rail
  (99)Maglev
  (99)Rolling Stock
  (97)Amtrak
  (75)Grade Crossing Technology
  (73)Grants & Financial Assistance
  (71)Freight Operations
  (68)Safety Performance Measures
  (66)Accident Investigations
  (65)Best Practices
  (63)Engineer Certification
  (60)Rail and Infrastructure Integrity
  (58)Highway-Rail Grade Crossing Warning Systems
  (48)Conductor Certification
  (44)Accident Reduction
  (44)Crashworthiness - Passenger Equipment
  (42)Safety Regulatory Analysis
  (40)Grade Crossing and Trespass Outreach/Education
  (38)Braking Systems
  (35)Locomotive Standards (Safety & Noise)
  (29)Grade Crossing Modeling and Simulation
  (27)Safety Advisories
  (26)Trespasser Programs
  (26)Train Control
  (25)Intercity Passenger Rail Investment
  (22)Switching Operations
  (21)Train Horn Noise
  (21)USDOT National Highway-Rail Crossing Inventory
  (20)Program Evaluation
  (20)Technology Transfer
  (19)Work Schedule & Sleep Patterns
  (18)Drug and Alcohol Program
  (16)Employee Fatalities
  (16)Communications
  (16)Risk Reduction Program
  (15)Statutory Mandates
  (14)Civil Rights
  (14)Emergency Preparedness
  (13)Fatigue Management
  (13)Operating Practices
  (13)Grade Crossings
  (13)Motive Power and Equipment
  (11)Railroad Employees
  (11)Testing
  (11)Automated Track Inspection Program (ATIP)
  (10)(-)
Bridge and Structures Safety
  (10)Industrial Hygiene
  (10)Intelligent Railroad Systems
  (9)Occupant Protection
  (9)Railroad Safety Program Management
  (9)Crashworthiness - Tank Car
  (9)Safety Culture
  (9)Sleep Disorders
  (8)Collision
  (8)Analysis
  (8)Trespass Countermeasures
  (8)Enforcement
  (7)Remote Control Locomotive Operations
  (7)Worker Protection
  (7)Railroad System Oversight
  (6)Roadway Worker Protection
  (6)Heavy Axle Load (HAL)
  (6)Fiber Optic
  (6)Cellular Telephones/Other Electronic Devices
  (5)Right-of-Way
  (5)Social & Economic Impacts
  (5)Risk Assessment
  (5)Grade Crossing Pedestrian Safety
  (5)Railroad System Issues
  (4)Continuous Welded Rail
  (3)Hours of Service
  (3)Budget
  (3)Autonomous
  (3)Shared Corridor
  (3)Emergency Notification Systems
  (2)Occupational Noise Exposure
  (2)Railroad Safety Information Management
  (2)Railroad Safety Technical Training Standards
  (2)Automation
  (2)Security
  (2)Roadway Maintenance Machine Safety
  (1)Railroad Rehabilitation & Improvement Financing (RRIF)
  (1)Tourist Railroads
  (1)Crew Resource Management (CRM)
  (1)Buy America
  (1)Knowledge diffusion
  (1)Capital Planning
  (1)Artificial Intelligence
  (1)Laboratory
  (1)Short Line Railroads
  (1)
                
                eLibrary Search
**Your Selections:**Reset(-)
Reports
  (10)(-)
Bridge and Structures Safety
  (10)
The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.

**Can I find All FRA Documents in the Library?**
Some "documents" may not appear here for the following reasons:

Document resides on an external site for the record of source, links to the document are provided in context but not in the library as FRA does not maintain this record. This document lives on another website.
	Document has not yet been assigned keywords.
	Document is historical and has been removed from library to avoid confusion with current publications.
	Document is public affairs & policy related, such as press releases, speeches, testimony, or fact sheet. These press-related documents can now be found in the FRA Newsroom.
	Document is related to rules and notices. This information can now be found on the Rulemakings search and the Notices search, respectively.Refine Your Search
            **To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.**
            

Dates
  Date fromDate toSort by
                    
Sort by Date (Most Recent)Sort by Title (A-Z)Items per page
                    
52550
  
  

  23
Feb
2018
Research Results
Performance of Rail Fastening Systems on an Open-Deck Bridge
Author
          Federal Railroad Administration

Subject
                    Bridge and Structures Safety

**Keywords:** Rail fastening systems, track gage strength, bridges, open-deck bridges
**Abstract:** Transportation Technology Center, Inc. (TTCI) monitored the performance of rail fasteners on an open-deck bridge and its approaches, located at Norfolk Southern Corporation’s (...
Report Number
              RR 18-02

  Office
              RDI-21
    1
Sep
2017
Research Results
Bridge Approach Remedies Implemented at Western Mega Site
Author
          Federal Railroad Administration

Subject
                    Bridge and Structures Safety

**Keywords:** Heavy axle load (HAL), track transition, bridge approach
**Abstract:** As part of the heavy axle load (HAL) revenue service mega site testing program, the Transportation Technology Center, Inc. (TTCI) has worked closely with the Union Pacific...
Report Number
              RR 17-10

  Office
              RDI-21
    9
Jun
2015
Technical Reports
Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors
Author
          Federal Railroad Administration

Subject
                    Bridge and Structures Safety

**Keywords:** Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors; Railroad bridge safety; bridge performance monitoring; wireless sensors; campaign monitoring
**Abstract:** This research project used wireless smart sensors to develop a cost-effective and practical portable structural health monitoring system for railroad bridges in North America. The...
Report Number
              DOT/FRA/ORD-15/19

  Office
              RDI-21
    20
Feb
2013
Technical Reports
Characterization of Railroad Bridge Service Interruptions
Author
          Richard Joy, Mary Clara Jones, Duane Otter, and Luis Maal

Subject
                    Bridge and Structures Safety,
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** bridge problems, risk control matrix, Railroad Bridge Service Interruption Database
**Abstract:** The Federal Railroad Administration contracted Transportation Technology Center, Inc., to study bridge problems that cause accidents or service interruptions and to use this...
Report Number
              DOT/FRA/ORD-13/05

  Office
              RRD
    1
Apr
2007
Research Results
Bridge Approaches and Track Stiffness
Author
          Donald Plotkin

Subject
                    Bridge and Structures Safety,
                    Track,
                    Track/Train Interactions,
                    Tracks & Structures

**Keywords:** Bridge approach, track stiffness, track deflection, track modulus

Report Number
              RR07-12

  Office
              RDI-21

  Pagination
    1
              2
                                      ›
            ››
                          »
            Last » U.S. DEPARTMENT OF TRANSPORTATION

**Federal Railroad Administration**

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

202-366-4000Subscribe to email updates
                    About Us
  

        
              About FRA
                Careers
                Contact Us
                FRA Civil Rights
                Doing Business with FRA
                Grants and Financial Assistance
                Safety Management TeamsAreas of Interest
  

        
              Bipartisan Infrastructure Law
                Safety Data
                Buy America
                Operation Lifesaver
                Railroad Safety Advisory Committee
                FRA Secure Area
                Proactive DisclosureI Am A...
  

        
              Railroad Traveler
                Railroad Inspector
                Reporter
                Educator/StudentPolicies, Rights, Legal
  

        
              About DOT
                Budget and Performance
                Civil Rights
                FOIA
                Information Quality
                No FEAR Act
                Office of Inspector General
                Privacy Policy
                USA.gov
                Vulnerability Disclosure Policy
                Web Policies and Notices
                Web Standards