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N3020 over Criner Creek

McClain County, Oklahoma · rated Fair in the 2025 National Bridge Inventory

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

N3020 over Criner Creek in McClain County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 132 of the 242 inventoried bridges in McClain County rated fair (54.5%); 11 (4.5%) 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	Steel stringer or multi-beam girder
Length	about 34 ft
Location	3W .7N of Criner
NBI structure number	224800000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-44 over S. Canadian River	2000	45,900	Fair
I-35 over Creek	1959	45,100	Fair
I-35 over Creek	1959	36,300	Fair
I-35 over Creek	1959	36,300	Fair
I-35 NB over S.H. 74 SB Ramp Under	1967	35,900	Fair
I-35 over Creek	1959	35,100	Good