N91 over Mirdan Canal
Garfield County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N91 over Mirdan Canal in Garfield County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 1,385 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 14 of the 24 inventoried bridges in Garfield County rated good (58.3%); 1 (4.2%) are rated poor.
- 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 → (41.7695, -99.1825)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 56 ft |
| Location | 3W Burwell |
| NBI structure number | S091 05636 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Garfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| N11/n91 over North Loup River | 1940 | 2,065 | Good |
| N11 over Stream | 1996 | 1,840 | Good |
| N91 over Stream | 1950 | 1,385 | Good |
| N91 over North Loup River Trib | 1950 | 1,385 | Good |
| N11 over Burwell Sumter Canal | 1956 | 1,065 | Fair |
| N96 over North Loup River | 2019 | 980 | Good |
All bridges nearby: Garfield County, NE bridge conditions · every bridge in Garfield County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.