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Ave 346 over Muddy Creek

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

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Ave 346 over Muddy Creek in Dundy County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1935 and reconstructed in 1980, making it 90 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 11 of the 47 inventoried bridges in Dundy County rated fair (23.4%); 0 (0.0%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 36 ft
Location	Njct US34/N61 8E 9.8N
NBI structure number	C002917305
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US34 over Stream	1961	1,570	Good
US34 over Arikaree River	1960	1,570	Fair
US34 over Sullivan Draw	1960	1,570	Fair
US34 over Stream	1938	1,520	Good
US34 over Cheyenne Canyon	1938	1,520	Good
US34 over Blackwater Canyon	1938	1,520	Good