FHWA NBI 2024 Inspection record Public-domain dataset

RT DD E

Carrying RT DD E over JENKINS CR

S 8 T 55 N R 33 W, Buchanan, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: RT DD E

The RT DD E bridge in Buchanan, Missouri carries RT DD E over JENKINS CR. It was built in 1971, making it 55 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 51.8 meters (170 feet) end to end. Daily traffic averages 128 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 a deck rating of 4/9, superstructure at 6/9, substructure at 7/9. 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. Its NBI inventory load rating is 18.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How RT DD E compares

▼ 14.8
Load rating vs Missouri average (33.7 t)
Bottom 19%
Lower load rating than 81% of Missouri bridges
246
Bridges in Buchanan · 12 in Poor condition
RT DD E 18.9 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
77.7 / 100 - historical 50–79.9 band
Structural adequacy /55
38.9
Serviceability /30
26.0
Essentiality /15
14.8
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
18.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1971
Material
Steel Continuous
Number of Spans
3
Structure Length
51.8 m (170 ft)
Deck Width
9.4 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
128 vehicles/day
Structure Number
2231

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

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 Buchanan 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 Buchanan, Missouri has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 7/9 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 128 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 18.9 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 1971, making it 55 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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.