N18
Carrying N18 over DEER CREEK
8E STOCKVILLE, Frontier, Nebraska
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
N18 in Frontier, Nebraska sits above 12% of rated Nebraska bridges on inventory load rating (12 t), while its 1979 build year is earlier than 49% of Frontier's recorded-year cohort (96 bridges).
N18 in Frontier, Nebraska is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1979, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. 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:S018 01779
INTERSTATE-ERA · STEEL · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · LIGHT-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- LIGHT-LOAD Light 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: N18
The N18 bridge in Frontier, Nebraska carries N18 over DEER CREEK. It was built in 1979, making it 47 years old today. The structure is built primarily of steel and spans 1 section, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 250 vehicles, placing it in the lower-traffic tier of Nebraska bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How N18 compares
Age against the county: built in 1979, earlier than 47 of Frontier's 96 bridges with a recorded construction year (49%), against a county median build year of 1978. 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).
N18 vs every rated Nebraska bridge
Inventory load rating (metric tons), FHWA NBI, this state
12 Top 88% higher than 12% 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.
Frontier inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 96 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
- 1979
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 12.5 m (41 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 250 vehicles/day
- Structure Number
- S018 01779
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 N18 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 N18 against other structures in Frontier 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 N18?
N18 in Frontier, Nebraska on the FHWA's 0–9 scale.
How often is N18 inspected?
N18'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 250 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. N18 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 N18?
N18 has an NBI inventory load rating of 12.0 metric tons.
Who is responsible for maintaining N18?
N18 is owned and maintained by State Highway Agency.
How old is N18 and does age affect safety?
N18 was built in 1979, making it 47 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.