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County Road Aa over Silver Creek

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

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

County Road Aa over Silver Creek in Merrick County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1953 and reconstructed in 1987, making it 72 years old at the 2025 inventory.
It carries about 40 vehicles a day (traffic count year 2003).
Its listed owner is the county highway agency.
It is one of 45 of the 173 inventoried bridges in Merrick County rated fair (26.0%); 15 (8.7%) 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	Timber stringer or multi-beam girder
Length	about 79 ft
Location	.3S .8W Silver Creek
NBI structure number	C006101410
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US34/N2 over M Ch Platte River	1969	7,890	Good
US30 over Warm Slough Overflow	1991	6,345	Good
US30 over Warm Slough	1931	4,250	Good
US30 over Stream	1973	3,870	Good
US30 over Silver Creek	2020	3,685	Good
N14 over Platte River	1991	3,200	Good