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U.S. 177 over Salt Fk Ark Rvr Oflow

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

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

U.S. 177 over Salt Fk Ark Rvr Oflow in Noble 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1996, making it 29 years old at the 2025 inventory.
It carries about 4,800 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 213 of the 342 inventoried bridges in Noble County rated fair (62.3%); 12 (3.5%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 422 ft
Location	8.3 Mi N Jct SH15 W
NBI structure number	244760000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-35 over Creek	1960	17,600	Fair
I-35 over Hackberry Creek	1960	17,600	Fair
I-35 over Creek	1960	17,100	Good
I-35 over Creek	1960	17,100	Fair
I-35 over Red Rock CR Oflow & Rd	1960	17,100	Fair
I-35 over Doe Creek	1960	17,100	Fair