FHWA NBI 2024 Inspection record Public-domain dataset

RT TT E

Carrying RT TT E over HORNSBY BR

S 22 T 45 N R 29 W, Johnson, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
26 t Inventory load rating

Bridge Snapshot: RT TT E

The RT TT E bridge in Johnson, Missouri carries RT TT E over HORNSBY BR. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.3 meters (21 feet) end to end. Daily traffic averages 345 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. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 26.1 metric tons.

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

How RT TT E compares

▼ 7.6
Load rating vs Missouri average (33.7 t)
Bottom 34%
Lower load rating than 66% of Missouri bridges
477
Bridges in Johnson · 21 in Poor condition
RT TT E 26.1 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
49.4 / 100 - historical 20–49.9 band
Structural adequacy /55
24.9
Serviceability /30
16.2
Essentiality /15
8.3
Special reductions
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 How the historical reference is calculated.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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
26.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1955
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.3 m (21 ft)
Deck Width
7.9 m (26 ft)
Owner
State Highway Agency
Avg Daily Traffic
345 vehicles/day
Structure Number
7912

How to read this record

RT TT 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 TT E against other structures in Johnson 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 TT E?

RT TT E in Johnson, Missouri on the FHWA's 0–9 scale.

How often is RT TT E inspected?

RT TT 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 345 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RT TT 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 TT E?

RT TT E has an NBI inventory load rating of 26.1 metric tons.

Who is responsible for maintaining RT TT E?

RT TT E is owned and maintained by State Highway Agency.

How old is RT TT E and does age affect safety?

RT TT E 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

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.