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N3560 over Creek

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

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

N3560 over Creek in Seminole County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1939, making it 86 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 154 of the 298 inventoried bridges in Seminole County rated fair (51.7%); 36 (12.1%) 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	Continuous steel stringer or multi-beam girder
Length	about 24 ft
Location	1.3 S of Vamoosa
NBI structure number	066980000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-40 over Creek	1963	15,100	Fair
I-40 over Creek	1963	15,100	Fair
I-40 over Creek	1964	14,800	Good
S.H. 99 over Magnolia Creek	1965	14,400	Good
Old U.S. 270 over Magnolia Creek	2020	10,400	Good
S.H. 9 over Carter Creek	2011	10,000	Fair