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US 61 N over Salt River

Ralls County, Missouri · rated Fair in the 2025 National Bridge Inventory

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

US 61 N over Salt River in Ralls County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1963 and reconstructed in 2015, making it 62 years old at the 2025 inventory.
It carries about 8,731 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 86 of the 136 inventoried bridges in Ralls County rated fair (63.2%); 11 (8.1%) 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	Continuous steel stringer or multi-beam girder
Length	about 540 ft
Location	S 36 T 56 N R 5 W
NBI structure number	858
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 61 S over Bear CR	1990	10,100	Good
US 61 S over NS RR	1990	10,100	Fair
US 61 N over NS RR	1963	10,036	Good
US 61 N over Bear CR	1963	10,036	Good
US 61 S over Salt Rvr	1983	9,033	Good
US 61 S over Spencer CR	1996	6,715	Good