FHWA NBI 2024 Inspection record Public-domain dataset

N8

Carrying N8 over N FK BIG NEMAHA RIVER

IN SALEM, Richardson, Nebraska

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating Lower than 59% of rated Nebraska bridges

N8 in Richardson, Nebraska sits above 41% of rated Nebraska bridges on inventory load rating (23 t), while its 1955 build year is earlier than 58% of Richardson's recorded-year cohort (258 bridges).

N8 in Richardson, Nebraska is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1955, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor 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:S008 14278

INTERSTATE-ERA · STEEL · SINGLE-SPAN · SUPER-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: N8

The N8 bridge in Richardson, Nebraska carries N8 over N FK BIG NEMAHA RIVER. It was built in 1955, making it 71 years old today. The structure is built primarily of steel and spans 1 section, stretching 77.4 meters (254 feet) end to end. Daily traffic averages 800 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 a deck rating of 5/9, superstructure at 3/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How N8 compares

▼ 4.4
Load rating vs Nebraska average (27.4 t; 15,392 of 15,398 rated)
258
Bridges in Richardson · 35 in Poor condition

Age against the county: built in 1955, earlier than 150 of Richardson's 258 bridges with a recorded construction year (58%), against a county median build year of 1968. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

N8 23.0 t
Nebraska average (15,392 of 15,398 rated) 27.4 t

Live comparison across Nebraska bridges with a recorded inventory load rating (15,392 of 15,398 rated).

N8 vs every rated Nebraska bridge

Inventory load rating (metric tons), FHWA NBI, this state

23 Top 59% higher than 41% 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

Deck
5/9
Fair (5–6)
Superstructure
3/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
23.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Richardson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 258 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
1955
Material
Steel
Number of Spans
1
Structure Length
77.4 m (254 ft)
Deck Width
9.3 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
800 vehicles/day
Structure Number
S008 14278

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

N8 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare N8 against other structures in Richardson 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 N8?

N8 in Richardson, Nebraska has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is N8 inspected?

N8'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 800 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. N8 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for N8?

N8 has an NBI inventory load rating of 23.0 metric tons.

Who is responsible for maintaining N8?

N8 is owned and maintained by State Highway Agency.

How old is N8 and does age affect safety?

N8 was built in 1955, making it 71 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.

XFacebookLinkedInWhatsAppEmail

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.