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634 Av-708/709 Rd over S Fk Big Nemaha River

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

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

634 Av-708/709 Rd over S Fk Big Nemaha River in Richardson County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1988, making it 37 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 105 of the 259 inventoried bridges in Richardson County rated good (40.5%); 35 (13.5%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 288 ft
Location	4S Humb (634a-708/709r)
NBI structure number	C007400905
Condition class	Good

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