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N2470 over Nine Mile Creek

Blaine County, Oklahoma · rated Good in the 2025 National Bridge Inventory

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

N2470 over Nine Mile Creek in Blaine County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2009, making it 16 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 184 of the 272 inventoried bridges in Blaine County rated good (67.6%); 19 (7.0%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 77 ft
Location	1W & 5.3S of S.H. 51
NBI structure number	289040000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
U.S. 270 over Creek	1937	5,100	Good
U.S. 270 over Creek	1984	5,100	Good
U.S. 270 over Creek	1930	5,000	Good
U.S. 270 over N. Canadian River	1971	5,000	Fair
U.S. 270 over N. Canadian River Oflow	1971	5,000	Good
S.H. 3 over Creek	1984	5,000	Good