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707 Rd-630 / 631 A over South Fork Big Nemaha Tr

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

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

707 Rd-630 / 631 A over South Fork Big Nemaha Tr in Richardson County, Nebraska, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1935, making it 90 years old at the 2025 inventory.
It carries about 40 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 35 of the 259 inventoried bridges in Richardson County rated poor (13.5%); 35 (13.5%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 95 ft
Location	6S 3W Humb (707-630/631)
NBI structure number	C007402805
Condition class	Poor

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