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Irr 4630C over Little Mill Creek

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

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

Irr 4630C over Little Mill Creek in McIntosh County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 132 of the 200 inventoried bridges in McIntosh County rated fair (66.0%); 14 (7.0%) 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 44 ft
Location	2.3s;1e of Vivian
NBI structure number	201210000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
U.S. 69 over N. Canadian River(eufala	1962	17,600	Fair
U.S. 69 over Town Branch	1974	17,000	Fair
U.S. 69 over Creek	1974	16,500	Good
U.S. 69 over Post Creek	1978	14,900	Fair
U.S. 69 over S. Canadian River	1962	14,800	Fair
U.S. 69 over UP R.R. Under	1965	14,800	Fair