N4550 over Otter Creek

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

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

• N4550 over Otter Creek in Haskell 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 87 of the 154 inventoried bridges in Haskell County rated fair (56.5%); 11 (7.1%) are rated poor.
• Its traffic status in the 2025 inventory is posted for load (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
• 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.

View this bridge on a map → (35.25085, -94.9203)

Component ratings

Bridge details

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

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.