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N4520 over Owl Creek

Haskell County, Oklahoma · rated Poor in the 2025 National Bridge Inventory

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

N4520 over Owl Creek in Haskell County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1940, making it 85 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 11 of the 154 inventoried bridges in Haskell County rated poor (7.1%); 11 (7.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Concrete stringer or multi-beam girder
Length	about 95 ft
Location	1.3S .5W of Mc Curtain
NBI structure number	093780000000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
S.H. 9 over Little Snake Creek	1923	6,800	Fair
S.H. 9 over Fenton Creek	1950	6,800	Fair
S.H. 9 over Snake Creek	2013	6,800	Fair
S.H. 9 over E Branch King Creek	1950	6,300	Fair
S.H. 9 over E Branch King Creek	1950	6,300	Fair
S.H. 9 over E Branch King Creek	1950	6,300	Fair