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Mo 89 S over Swan CR

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

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

Mo 89 S over Swan CR in Osage County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1964 and reconstructed in 2023, making it 61 years old at the 2025 inventory.
It carries about 2,259 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 44 of the 99 inventoried bridges in Osage County rated fair (44.4%); 17 (17.2%) 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 208 ft
Location	S 16 T 42 N R 8 W
NBI structure number	1171
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 50 E over Laughlin CR	1990	10,203	Fair
US 50 E over Linn CR	1990	10,203	Fair
US 63 S over Schmitz CR	1929	9,732	Fair
US 50 W over Osage Rvr Crd Conservat	1960	9,459	Fair
US 63 S over Maries Rvr	1985	7,974	Good
US 63 S over Maries Rvr Ovrfl	1985	7,974	Fair