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Mo 83 S over Mo 13

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

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

Mo 83 S over Mo 13 in Polk County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2003, making it 22 years old at the 2025 inventory.
It carries about 11,254 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 89 of the 184 inventoried bridges in Polk County rated fair (48.4%); 32 (17.4%) 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 310 ft
Location	S 24 T 33 N R 23 W
NBI structure number	29079
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Mo 13 S over Slagle CR	1973	25,477	Fair
Mo 13 S over Dry Sac Rvr Br	1973	22,761	Fair
Mo 13 S over Br of Brush CR	1958	14,992	Fair
Mo 13 S over Br Dry Fork CR	1958	14,992	Fair
Mo 13 S over Dry Sac Rvr	1972	11,979	Fair
Mo 13 N over Dry Sac Rvr	1970	10,782	Poor