To authorize the Secretary of Transportation to carry out a highway bridge demonstration project to improve the flow of traffic between the States of Nebraska and South Dakota.

[AI summary unavailable — showing source text] Authorizes the Secretary of Transportation to carry out a highway project to construct a bridge across the Missouri River to improve the flow of traffic between Nebraska and South Dakota and relieve present and projected traffic burdens on existing highway networks. Authorizes appropriations for FY 1991 through 1992. Specifies the Federal and State shares of the project.…