COUNTY ROAD 431
Carrying COUNTY ROAD 431 over SPRING CREEK
1N 2W OF LEXINGTON, Dawson, Nebraska
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
COUNTY ROAD 431 in Dawson, Nebraska sits above 90% of rated Nebraska bridges on inventory load rating (43 t), while its 1985 build year is earlier than 28% of Dawson's recorded-year cohort (300 bridges).
COUNTY ROAD 431 in Dawson, Nebraska is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1985, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. 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:C002404703
LATE-CENTURY · CONCRETE · SINGLE-SPAN · SUB-LED · TRACE-ADT · HEAVY-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- TRACE-ADT Trace ADT
- HEAVY-LOAD Heavy 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: COUNTY ROAD 431
The COUNTY ROAD 431 bridge in Dawson, Nebraska carries COUNTY ROAD 431 over SPRING CREEK. It was built in 1985, making it 41 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of Nebraska bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 8/9, substructure at 4/9. 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 COUNTY ROAD 431 compares
Age against the county: built in 1985, earlier than 85 of Dawson's 300 bridges with a recorded construction year (28%), against a county median build year of 1976. 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).
COUNTY ROAD 431 vs every rated Nebraska bridge
Inventory load rating (metric tons), FHWA NBI, this state
43 Top 10% higher than 90% 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.
Dawson inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 300 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
- 1985
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 9.1 m (30 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 40 vehicles/day
- Structure Number
- C002404703
Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
COUNTY ROAD 431 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 COUNTY ROAD 431 against other structures in Dawson 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 COUNTY ROAD 431?
COUNTY ROAD 431 in Dawson, Nebraska has a deck rating of 5/9, superstructure rating of 8/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is COUNTY ROAD 431 inspected?
COUNTY ROAD 431'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 40 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. COUNTY ROAD 431 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 COUNTY ROAD 431?
COUNTY ROAD 431 has an NBI inventory load rating of 43.0 metric tons.
Who is responsible for maintaining COUNTY ROAD 431?
COUNTY ROAD 431 is owned and maintained by County Highway Agency.
How old is COUNTY ROAD 431 and does age affect safety?
COUNTY ROAD 431 was built in 1985, making it 41 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.
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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.