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Local Rd. 51 over Trib. Little Sugar Creek

Linn County, Kansas · rated Fair in the 2025 National Bridge Inventory

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

Local Rd. 51 over Trib. Little Sugar Creek in Linn County, Kansas, 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 1966, making it 59 years old at the 2025 inventory.
It carries about 15 vehicles a day (traffic count year 2006).
Its listed owner is the county highway agency.
It is one of 79 of the 257 inventoried bridges in Linn County rated fair (30.7%); 13 (5.1%) 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	Prestressed concrete tee beam
Length	about 71 ft
Location	3.5W of Mound City
NBI structure number	000541085505548
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
U-69 Hwy NB over East 2400 Road	2005	3,791	Good
U-69 Hwy SB over East 2400 Road	2008	3,791	Good
US69 Hwy NB over K152 Hwy	1964	3,109	Good
US69 Hwy SB over North Sugar Creek	1982	3,109	Good
U-69 Hwy NB over North Sugar Creek	2006	3,109	Good
U-69 Hwy SB over K-152 Hwy	2005	3,109	Good