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Mo 13 S over Blackjack CR

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

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

Mo 13 S over Blackjack CR in Lafayette 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 1924 and reconstructed in 1988, making it 101 years old at the 2025 inventory.
It carries about 5,666 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 152 of the 239 inventoried bridges in Lafayette County rated fair (63.6%); 10 (4.2%) 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 174 ft
Location	S 12 T 48 N R 26 W
NBI structure number	4760
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Is 70 E over Witchet CR	1960	34,521	Fair
Is 70 W over Horseshoe CR	1963	22,696	Fair
Is 70 W over Lt Hrshoe CR	1963	22,696	Poor
Is 70 E over Horseshoe CR	1951	21,839	Fair
Is 70 E over Lit Horseshoe CR	1951	21,839	Fair
Is 70 W over Sni-a-bar CR	1963	19,225	Fair