 At N-133, I-680 turns to the east towards Iowa. South of this interchange, I-680 travels through residential neighborhoods, but to the east, the population thins and the interstate passes through farmland for 4 1 ⁄ 2 miles (7.2 km). I-680 crosses over N-36, which is accessed via the US 75 interchange 1 ⁄ 2 mile (0.80 km) later. US 75 runs adjacent to I-680 for one mile (1.6 km) before turning south at 30th Street. The interstate crosses the Missouri River to Iowa via the Mormon Bridge.
