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US77 over Missouri River

Dakota County, Nebraska · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (42.488, -96.4136)

Component ratings

ComponentRating (2025)FHWA scale meaning
Deck6Satisfactory condition
Superstructure6Satisfactory condition
Substructure6Satisfactory condition

Bridge details

StructureSteel through arch
Lengthabout 1,501 ft
LocationNcl South Sioux City
NBI structure numberS077 18870
Condition classFair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.

Busiest bridges in Dakota County

BridgeBuiltVehicles/dayCondition
I129/US75 over Missouri River197622,815Fair
I129/US75 over Crystal Lake197714,995Good
I129/US275 over Crystal Lake197714,995Good
I129/US75 over BNSF/UPRR/5TH197714,995Good
I129/US75 over BNSF/UPRR/5TH197714,995Good
I129/US75 over Dakota Ave197414,995Good

All bridges nearby: Dakota County, NE bridge conditions · every bridge in Dakota County · Nebraska bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.