FHWA NBI 2024 Inspection record Public-domain dataset

MCPHERSON ST

Carrying MCPHERSON ST over UP RR

S 21 T 46 N R 24 W, Johnson, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
55 t Inventory load rating

Bridge Snapshot: MCPHERSON ST

The MCPHERSON ST bridge in Johnson, Missouri carries MCPHERSON ST over UP RR. It was built in 1995, making it 31 years old today. The structure is built primarily of prestressed concrete continuous and spans 5 sections, stretching 86.9 meters (285 feet) end to end. Daily traffic averages 6,550 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 54.9 metric tons.

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

How MCPHERSON ST compares

▲ 21.2
Load rating vs Missouri average (33.7 t)
Top 9%
Higher load rating than 91% of Missouri bridges
477
Bridges in Johnson · 21 in Poor condition
MCPHERSON ST 54.9 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
81.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
23.0
Essentiality /15
3.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
54.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1995
Material
Prestressed Concrete Continuous
Number of Spans
5
Structure Length
86.9 m (285 ft)
Deck Width
10.8 m (35 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,550 vehicles/day
Structure Number
32499

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether MCPHERSON ST 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 MCPHERSON ST 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 MCPHERSON ST?

MCPHERSON ST in Johnson, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MCPHERSON ST inspected?

MCPHERSON ST'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 6,550 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MCPHERSON ST 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 MCPHERSON ST?

MCPHERSON ST has an NBI inventory load rating of 54.9 metric tons.

Who is responsible for maintaining MCPHERSON ST?

MCPHERSON ST is owned and maintained by City/Municipal Highway Agency.

How old is MCPHERSON ST and does age affect safety?

MCPHERSON ST was built in 1995, making it 31 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.