NW Fairmont Rd over 3RD Fk of Platte R

DeKalb County, Missouri · rated Fair in the 2025 National Bridge Inventory

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

• NW Fairmont Rd over 3RD Fk of Platte R in DeKalb County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
• It was built in 1994, making it 31 years old at the 2025 inventory.
• It carries about 35 vehicles a day (traffic count year 2024).
• Its listed owner is the county highway agency.
• It is one of 144 of the 238 inventoried bridges in DeKalb County rated fair (60.5%); 16 (6.7%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• It was rated poor in the 2024 inventory and is now fair (substructure 3 to 5).
• Its most recent inspection on record is dated January 2025, on a 12-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 → (39.90743, -94.59393)

Component ratings

Bridge details

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

Busiest bridges in DeKalb County

All bridges nearby: DeKalb County, MO bridge conditions · every bridge in DeKalb County · Missouri bridges.

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