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633 Av-715 / 717 R over Tributary to Crooked Bra

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

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

633 Av-715 / 717 R over Tributary to Crooked Bra in Richardson 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, making it 90 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 119 of the 259 inventoried bridges in Richardson County rated fair (45.9%); 35 (13.5%) 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 28 ft
Location	2N Humb (633a-715/717r)
NBI structure number	C007410715
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US75 over Little Muddy Creek	1986	3,615	Good
US75 over Dry Branch	1930	3,605	Fair
US75 over Whiskey Run	1986	3,605	Good
US75 over Honey Creek	1958	3,415	Good
US75 over Stream	1992	3,145	Fair
US75 over S Fk Big Nemaha River	1958	3,145	Fair