FHWA NBI 2024 Inspection record Public-domain dataset

RT K S

Carrying RT K S over S GRAND RVR

S 10 T 42 N R 28 W, Henry, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: RT K S

The RT K S bridge in Henry, Missouri carries RT K S over S GRAND RVR. It was built in 1968, making it 58 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 164.3 meters (539 feet) end to end. Daily traffic averages 1,282 vehicles, placing it in the moderately-trafficked 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 5/9, substructure at 6/9. 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 23.4 metric tons.

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

How RT K S compares

▼ 10.3
Load rating vs Missouri average (33.7 t)
Bottom 28%
Lower load rating than 72% of Missouri bridges
264
Bridges in Henry · 38 in Poor condition
RT K S 23.4 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
73.5 / 100 - historical 50–79.9 band
Structural adequacy /55
36.2
Serviceability /30
26.0
Essentiality /15
11.3
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1968
Material
Steel Continuous
Number of Spans
3
Structure Length
164.3 m (539 ft)
Deck Width
12.4 m (41 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,282 vehicles/day
Structure Number
1991

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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

RT K S 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 K S against other structures in Henry 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 K S?

RT K S in Henry, Missouri has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RT K S inspected?

RT K S'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 1,282 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RT K S 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 K S?

RT K S has an NBI inventory load rating of 23.4 metric tons.

Who is responsible for maintaining RT K S?

RT K S is owned and maintained by State Highway Agency.

How old is RT K S and does age affect safety?

RT K S was built in 1968, making it 58 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.