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S.H. 30 over Creek

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

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

S.H. 30 over Creek in Harmon County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1974, making it 51 years old at the 2025 inventory.
It carries about 410 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 80 of the 106 inventoried bridges in Harmon County rated good (75.5%); 1 (0.9%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
Its condition class and component ratings are unchanged from the 2024 inventory.
Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
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

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	7	7	Good condition


Structure	Concrete culvert
Length	about 64 ft
Location	6.2 Mi N Jct U.S. 62
NBI structure number	187050000000000
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	October 2023
Inspection interval (item 91)	24 months
Scour (item 113)	8: foundations stable, scour above the top of the footing

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

Bridge	Built	Vehicles/day	Condition
U.S. 62 over Creek	1927	2,300	Good
U.S. 62 over East Fork Sandy Creek	1931	1,800	Fair
U.S. 62 over Creek	1931	1,700	Good
U.S. 62 over Creek	1931	1,700	Good
U.S. 62 over Creek	1931	1,700	Good
U.S. 62 over Creek	1932	1,600	Good