N66
Carrying N66 over I80
MAHONEY PARK INTERCHG, Cass, Nebraska
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
N66 in Cass, Nebraska sits above 53% of rated Nebraska bridges on inventory load rating (28 t), while its 1990 build year is earlier than 39% of Cass's recorded-year cohort (274 bridges).
N66 in Cass, Nebraska is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1990, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure NE:S080 42626
LATE-CENTURY · STEEL · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- STEEL Steel
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: N66
The N66 bridge in Cass, Nebraska carries N66 over I80. It was built in 1990, making it 36 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 88.7 meters (291 feet) end to end. Daily traffic averages 3,250 vehicles, placing it in the moderately-trafficked tier of Nebraska bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How N66 compares
Age against the county: built in 1990, earlier than 108 of Cass's 274 bridges with a recorded construction year (39%), against a county median build year of 1986. This is one of the newer structures in its county.
Live comparison across Nebraska bridges with a recorded inventory load rating (15,392 of 15,398 rated).
N66 vs every rated Nebraska bridge
Inventory load rating (metric tons), FHWA NBI, this state
28 Top 47% higher than 53% of 15,392 bridges
rated Nebraska bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Cass inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 274 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1990
- Material
- Steel Continuous
- Number of Spans
- 2
- Structure Length
- 88.7 m (291 ft)
- Deck Width
- 13.1 m (43 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 3,250 vehicles/day
- Structure Number
- S080 42626
Condition Analysis
- • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether N66 is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare N66 against other structures in Cass and across Nebraska. Nebraska bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for N66?
N66 in Cass, Nebraska has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is N66 inspected?
N66's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 3,250 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. N66 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for N66?
N66 has an NBI inventory load rating of 28.0 metric tons.
Who is responsible for maintaining N66?
N66 is owned and maintained by State Highway Agency.
How old is N66 and does age affect safety?
N66 was built in 1990, making it 36 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.