N87 over Niobrara River

Sheridan County, Nebraska · rated Good in the 2025 National Bridge Inventory

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

• N87 over Niobrara River in Sheridan County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
• It was built in 1996, making it 29 years old at the 2025 inventory.
• It carries about 1,070 vehicles a day (traffic count year 2018).
• Its listed owner is the state highway agency.
• It is one of 52 of the 63 inventoried bridges in Sheridan County rated good (82.5%); 0 (0.0%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its class is unchanged from 2024 (good), but component ratings moved: superstructure 8 to 7, substructure 8 to 7.
• Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (42.4827, -102.6943)

Component ratings

Bridge details

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

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