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Fdr 558 over School House Branch

Grant Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory

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

Fdr 558 over School House Branch in Grant Parish, Louisiana, 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 1965, making it 60 years old at the 2025 inventory.
It carries about 34 vehicles a day (traffic count year 1979).
It is one of 104 of the 209 inventoried bridges in Grant Parish rated fair (49.8%); 30 (14.4%) 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	Prestressed concrete channel beam
Length	about 51 ft
Location	Logmi 0.41 Fr 569 to
NBI structure number	080604000002452
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US0167 over Big Creek	1988	11,712	Good
US0167 over Creek	1957	11,712	Fair
US0167 over Mosley Mill Creek	1975	11,712	Poor
US0167 over Bear Creek	1975	11,712	Poor
US0165 over La 1230 UP RR	1956	7,084	Poor
US0167 over Mosely Creek	2010	7,084	Good