FHWA NBI 2024 Inspection record Public-domain dataset

UPPER MILL CR RD

Carrying UPPER MILL CR RD over MILL CRK

S 20 T 21 N R 32 W, McDonald, Missouri

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
41 t Inventory load rating Higher than 71% of rated Missouri bridges

UPPER MILL CR RD in McDonald, Missouri sits above 71% of rated Missouri bridges on inventory load rating (41 t), while its 2021 build year is earlier than 0% of McDonald's recorded-year cohort (145 bridges).

UPPER MILL CR RD in McDonald, Missouri is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2021, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:36757

POST-2000 · STEEL · SINGLE-SPAN · SUPER-LED · TRACE-ADT · HEAVY-LOAD · CAT-FAIR

  • POST-2000 2000+
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • TRACE-ADT Trace ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

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: UPPER MILL CR RD

The UPPER MILL CR RD bridge in McDonald, Missouri carries UPPER MILL CR RD over MILL CRK. It was built in 2021, making it 5 years old today. The structure is built primarily of steel and spans 1 section, stretching 11.9 meters (39 feet) end to end. Daily traffic averages 30 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 9/9, superstructure at 6/9, substructure at 9/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How UPPER MILL CR RD compares

▲ 6.8
Load rating vs Missouri average (33.7 t; 24,616 of 24,618 rated)
145
Bridges in McDonald · 16 in Poor condition

Age against the county: built in 2021, earlier than 0 of McDonald's 145 bridges with a recorded construction year (0%), against a county median build year of 1968. This is one of the newer structures in its county.

UPPER MILL CR RD 40.5 t
Missouri average (24,616 of 24,618 rated) 33.7 t

Live comparison across Missouri bridges with a recorded inventory load rating (24,616 of 24,618 rated).

UPPER MILL CR RD vs every rated Missouri bridge

Inventory load rating (metric tons), FHWA NBI, this state

41 Top 29% higher than 71% 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

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

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

McDonald inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 145 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
2021
Material
Steel
Number of Spans
1
Structure Length
11.9 m (39 ft)
Deck Width
6.9 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
30 vehicles/day
Structure Number
36757

Condition Analysis

  • At 9/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 9/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether UPPER MILL CR RD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare UPPER MILL CR RD against other structures in McDonald 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 UPPER MILL CR RD?

UPPER MILL CR RD in McDonald, Missouri has a deck rating of 9/9, superstructure rating of 6/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.

How often is UPPER MILL CR RD inspected?

UPPER MILL CR 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 30 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. UPPER MILL CR RD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for UPPER MILL CR RD?

UPPER MILL CR RD has an NBI inventory load rating of 40.5 metric tons.

Who is responsible for maintaining UPPER MILL CR RD?

UPPER MILL CR RD is owned and maintained by County Highway Agency.

How old is UPPER MILL CR RD and does age affect safety?

UPPER MILL CR RD was built in 2021, making it 5 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.