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U.S. 177 over Dry Creek Oflow

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

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

U.S. 177 over Dry Creek Oflow in Kay County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2010, making it 15 years old at the 2025 inventory.
It carries about 1,500 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 129 of the 419 inventoried bridges in Kay County rated good (30.8%); 22 (5.3%) 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 51 ft
Location	3.3N of Jct U.S. 177/sh11
NBI structure number	288020000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-35 over Salt Fk Ark Rvr Oflow	1959	17,500	Good
I-35 over Salt Fk Ark Rvr Oflow	1962	17,500	Fair
I-35 over Salt Fk Ark Rvr Oflow	1962	17,500	Fair
I-35 over Creek	1959	15,700	Fair
I-35 over Creek	1960	15,500	Fair
I-35 over Dry Creek	1959	14,300	Fair