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N91 over Sioux Creek

Loup County, Nebraska · rated Fair in the 2025 National Bridge Inventory

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

N91 over Sioux Creek in Loup County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1994, making it 31 years old at the 2025 inventory.
It carries about 1,280 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 4 of the 20 inventoried bridges in Loup County rated fair (20.0%); 3 (15.0%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
Its condition class and component ratings are unchanged from the 2024 inventory.
Its most recent inspection on record is dated March 2023, on a 48-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.

Component ratings

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	6	6	Satisfactory condition


Structure	Concrete culvert
Length	about 43 ft
Location	8E Taylor
NBI structure number	S091 05322
Condition class	Fair
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	March 2023
Inspection interval (item 91)	48 months
Scour (item 113)	8: foundations stable, scour above the top of the footing

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

Bridge	Built	Vehicles/day	Condition
N91 over Leydell Canyon	1950	1,280	Good
N91 over Mccord Canyon	1994	1,280	Good
N91 over Stream	1950	1,280	Good
N91 over N Loup River Tributary	1950	1,280	Good
US183 over North Loup River	1963	945	Fair
US183 over Calamus River	1966	520	Good