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All bridges in the Unites States are inspected every two years -- more often if they are critical. Railroads have B & B (bridge and building) engineers who look over the bridges under their charge. Because railroad loadings are larger than highway loads, railroad bridges tend to be stronger than other kinds.
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How was the overseas railroad constructed?
On bridges.
How often are railroad tracks checked?
Frequency of track inspections depends on the individual tracks. Mainline freight tracks are inspected once a week, Tracks used for passenger service are inspected twice a week. Yard tracks are inspected monthly. All per FRA regulations.
When was Illinois Central Stone Arch Railroad Bridges created?
Illinois Central Stone Arch Railroad Bridges was created in 1855.
Did the transcontinental railroad have bridges and tunnels?
yes
What two advantages railroad have over canals?
Bridges
What has the author Edward Wasell written?
Edward Wasell has written: 'Wasell's rail trusses for bridges and roofs' -- subject(s): Railroad bridges, Bridges, Trusses, Design and construction
How many bridges are on the Hudson River?
There are 44 bridges that are now in use on the Hudson River. About 10 of these bridges are used for railroad crossings and 34 are automobile bridges. There are also 5 tunnels that traverse roadways under the Hudson River.
What is the best definition of a span?
railroad bridges have a span between pilings, pediments, or bases.
How often are restarurants inspected by the health department?
They are inspected at least once a year. Inspections are random - and without warning.
How often are Elevators inspected?
About maybe twice a year
How often is a vehicle carrying HAZMAT inspected?
before and after
How often does a car need to be inspected?
about twice a year
