RT DD E
Carrying RT DD E over BR
S 12 T 32 N R 32 W, Barton, Missouri
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
RT DD E in Barton, Missouri sits above 9% of rated Missouri bridges on inventory load rating (14 t), while its 1956 build year is earlier than 76% of Barton's recorded-year cohort (211 bridges).
RT DD E in Barton, Missouri is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1956, it carries 1 rated component 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 MO:9451
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- LIGHT-LOAD Light 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: RT DD E
The RT DD E bridge in Barton, Missouri carries RT DD E over BR. It was built in 1956, making it 70 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.2 meters (20 feet) end to end. Daily traffic averages 634 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How RT DD E compares
Age against the county: built in 1956, earlier than 161 of Barton's 211 bridges with a recorded construction year (76%), against a county median build year of 1981. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Missouri bridges with a recorded inventory load rating (24,616 of 24,618 rated).
RT DD E vs every rated Missouri bridge
Inventory load rating (metric tons), FHWA NBI, this state
14 Top 91% higher than 9% of 24,616 bridges
rated Missouri 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.
Barton inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 211 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
- 1956
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 6.2 m (20 ft)
- Deck Width
- 7.8 m (26 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 634 vehicles/day
- Structure Number
- 9451
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
RT DD E 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 RT DD E against other structures in Barton and across Missouri. Missouri 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 RT DD E?
RT DD E in Barton, Missouri on the FHWA's 0–9 scale.
How often is RT DD E inspected?
RT DD E'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 634 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RT DD E 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 RT DD E?
RT DD E has an NBI inventory load rating of 14.4 metric tons.
Who is responsible for maintaining RT DD E?
RT DD E is owned and maintained by State Highway Agency.
How old is RT DD E and does age affect safety?
RT DD E was built in 1956, making it 70 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.