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N1770 over Creek

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

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

N1770 over Creek in Ellis 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1989, making it 36 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 86 of the 153 inventoried bridges in Ellis County rated fair (56.2%); 0 (0.0%) 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	Steel stringer or multi-beam girder
Length	about 20 ft
Location	4.3W .8N of Arnett
NBI structure number	221140000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
S.H. 15 over Creek	2019	3,600	Good
U.S. 270 over Creek	1972	3,000	Fair
S.H. 15 over Boggy Creek	1996	3,000	Fair
S.H. 15 over Creek	1935	2,600	Good
S.H. 15 over Little Wolf Creek	1996	2,400	Fair
S.H. 15 over Buzzard Creek	1996	2,400	Fair