Nfa 2138 (sa 8920) over Collins River

Warren County, Tennessee · rated Fair in the 2025 National Bridge Inventory

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

• Nfa 2138 (sa 8920) over Collins River in Warren County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
• It was built in 1938 and reconstructed in 1987, making it 87 years old at the 2025 inventory.
• It carries about 570 vehicles a day (traffic count year 2021).
• Its listed owner is the county highway agency.
• It is one of 89 of the 160 inventoried bridges in Warren County rated fair (55.6%); 4 (2.5%) are rated poor.
• Its traffic status in the 2025 inventory is posted for load (NBI item 41).
• Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 6 to 5.
• Its most recent inspection on record is dated April 2023, on a 24-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
• 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 → (35.58139, -85.70084)

Component ratings

Bridge details

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

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