FHWA NBI 2024 Inspection record Public-domain dataset

KEMNA BRIDGE RD

Carrying KEMNA BRIDGE RD over TAVERN CR

S 3 T 40 N R 12 W, Miller, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
14 t Inventory load rating

Bridge Snapshot: KEMNA BRIDGE RD

The KEMNA BRIDGE RD bridge in Miller, Missouri carries KEMNA BRIDGE RD over TAVERN CR. It was built in 1910, making it 116 years old today. It was last reconstructed in 1978, extending its service life. The structure is built primarily of steel continuous and spans 1 section, stretching 50.9 meters (167 feet) end to end. Daily traffic averages 45 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 5/9. 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 13.5 metric tons.

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

How KEMNA BRIDGE RD compares

▼ 20.2
Load rating vs Missouri average (33.7 t)
Bottom 8%
Lower load rating than 92% of Missouri bridges
142
Bridges in Miller · 15 in Poor condition
KEMNA BRIDGE RD 13.5 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
21.9 / 100 - historical 20–49.9 band
Structural adequacy /55
3.3
Serviceability /30
4.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
13.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1910
Last Reconstructed
1978
Material
Steel Continuous
Number of Spans
1
Structure Length
50.9 m (167 ft)
Deck Width
3.7 m (12 ft)
Owner
County Highway Agency
Avg Daily Traffic
45 vehicles/day
Structure Number
17571

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

KEMNA BRIDGE RD 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 KEMNA BRIDGE RD against other structures in Miller 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 KEMNA BRIDGE RD?

KEMNA BRIDGE RD in Miller, Missouri has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is KEMNA BRIDGE RD inspected?

KEMNA BRIDGE RD'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 45 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KEMNA BRIDGE RD 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 KEMNA BRIDGE RD?

KEMNA BRIDGE RD has an NBI inventory load rating of 13.5 metric tons.

Who is responsible for maintaining KEMNA BRIDGE RD?

KEMNA BRIDGE RD is owned and maintained by County Highway Agency.

How old is KEMNA BRIDGE RD and does age affect safety?

KEMNA BRIDGE RD was built in 1910, making it 116 years old and last reconstructed in 1978.

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.