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K-99 Highway over 142 Mile Creek

Lyon County, Kansas · rated Good in the 2025 National Bridge Inventory

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

K-99 Highway over 142 Mile Creek in Lyon County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2001 and reconstructed in 2020, making it 24 years old at the 2025 inventory.
It carries about 498 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 318 of the 494 inventoried bridges in Lyon County rated good (64.4%); 4 (0.8%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete slab
Length	about 186 ft
Location	0.13 Mi N US-56 Hwy
NBI structure number	999909900561541
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
URB1105 Indust over I-35 Hwy	1994	12,935	Good
US50 Hwy over Cottonwood Riv Drain	1947	12,887	Fair
I-35HWY over Lincoln St	1965	10,914	Fair
I-35 Hwy over Lincoln St	2024	10,914	Good
I-35 Hwy SB (kta) over Local Road Phenis Creek	1956	9,014	Good
I-35 Hwy NB (kta) over Local Road Phenis Creek	1956	9,014	Good