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Irr N4505 over Four Mile Creek

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

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

Irr N4505 over Four Mile Creek in Ottawa 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 1987, making it 38 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 108 of the 271 inventoried bridges in Ottawa County rated fair (39.9%); 59 (21.8%) 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 109 ft
Location	6.W .9S of Cardin
NBI structure number	216380000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Old S.H. 137 over Will Rogers Tp I-44 Und	1956	21,000	Fair
Will Rogers Tpi-44 over Creek	1957	19,900	Good
Will Rogers Tpi-44 over Horse Creek	1957	19,900	Good
Will Rogers Tpi-44 over BNSF R.R. Under	1957	19,900	Good
Will Rogers Tpi-44 over Creek	1957	19,000	Good
Will Rogers Tpi-44 over Creek	1957	19,000	Good