Structure Safety Inspection
Routine Inspection of Bladen County Bridges #080012 & #080188
In March 2010, MI Engineering inspected two truss bridges as part of a limited services bridge inspection contract with NCDOT. The assignment included performing field investigations, writing the inspection reports, making repair recommendations, and completing detailed load rating analysis.
Bridge #080012 was built in 1952 and carries NC 11 over the Cape Fear River. It consists of 18 total reinforced concrete girder approach spans and one thru truss spanning 251 ft.
Bridge #0188 was built in 1955 and carries SR1316 (Tar Heel Ferry Road) over the Cape Fear River. It consists of 23 total steel beam approach spans and one thru truss spanning 300 ft.
Routine Inspection of the Virginia Dare Bridge (Dare County, NC)
In February 2008, MI Engineering staff working for Ko & Associates, PC led a team inspecting the Virginia Dare Bridge carrying US 64/264 over the Croatan Sound. Tasks associated with the project included a comprehensive field inspection, detailed inspection report including schematics of every span and substructure unit, and load capacity rating of prestressed and post-tensioned girders.
The bridge consists of 265 spans, 107 approach spans on the west side, 32 main channel spans, and 126 spans on the east side, for a total length of 6,914 meters (22,684 ft). The approach spans consist of cast-in-place reinforced concrete deck on precast prestressed deck panels supported by Type IV AASHTO precast prestressed concrete girders. The main channel spans consist of prestressed bulb tees and post-tensioned spliced girders.
Metal Traffic Signal Pole Inspections
MI Engineering inspectors have been involved in the NCDOT Traffic & Signals Division program to inventory and evaluate the state-owned metal traffic signal poles, including strain poles and mast arms since the program’s inception in 2003.
While at Ko & Associates, PC members of our staff were involved in the inspection of more than 600 poles in Durham, Wake, Cumberland, and Franklin Counties. Tasks associated with the project included verifying inventories, performing field inspections, producing detailed inspection reports, and making maintenance recommendations.
Structure Safety Inspection Services
- NBIS Inspection of Bridges, Culverts, and Pipes
- Condition Evaluation of Metal Traffic Signal Poles and Overhead Sign Structures
- Detailed Inspection Reports in Conventional or Electronic Format
- Bridge Load Rating Based on ASD, LFD, and LRFR Code Requirements