; and (2) value engineering projects under subsection (g). (c) Applications To be eligible to receive a grant under subsection (b), a State department of transportation, a unit of Tribal government, a public toll authority, or a unit of local government shall submit to the Administrator an application at such time, in such manner, and containing such information as the Administrator may require. (d) Eligible projects To be eligible to receive a grant under this section, a coastal or rural infrastructure bridge project or a value engineering project shall— (1) be a project to add multimodal transportation components, such as bicycle and pedestrian paths, to an existing single span suspension bridge that— (A) has a main span length of greater than 1500 feet; and (B) is more than 50 years old; (2) be carried out in a manner so as to reduce traffic impact; and (3) use innovative materials that— (A) are resistant to corrosion; and (B) extend the service life of the bridge. (e) Preferences In providing grants under this section, the Administrator shall give preference to proposed projects that— (1) use materials that are domestically produced and sourced; (2) use nontraditional production techniques, such as factory prefabrication; (3) graft multimodal transportation components to the existing bridge in such a way as to maintain secure spatial separation for bicyclists and pedestrians from vehicular traffic