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Cherokee Tp over Co. Rd. N4520 Under

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

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

Cherokee Tp over Co. Rd. N4520 Under in Delaware 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 1991, making it 34 years old at the 2025 inventory.
It carries about 3,300 vehicles a day (traffic count year 2022).
It is one of 58 of the 161 inventoried bridges in Delaware County rated good (36.0%); 27 (16.8%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 152 ft
Location	3.00 Mi E of C/l
NBI structure number	228520000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
S.H. 10 over Creek	1946	11,300	Fair
N4620 (2108C) over Creek	2018	8,240	Good
U.S. 59 over Drowning Creek	1973	7,600	Fair
U.S. 59 over Elm Branch Creek	1925	7,300	Fair
U.S. 59 over Honey Creek	2002	7,300	Fair
Cherokee Tp over Creek	1991	6,300	Good