CO RD NW 150
Carrying CO RD NW 150 over BR OF LITTLE CR
S 13 T 46 N R 28 W, Johnson, Missouri
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CO RD NW 150
The CO RD NW 150 bridge in Johnson, Missouri carries CO RD NW 150 over BR OF LITTLE CR. It was built in 1900, making it 126 years old today. It was last reconstructed in 1988, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 215 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 7/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 18.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CO RD NW 150 compares
Live comparison across Missouri.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1900
- Last Reconstructed
- 1988
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 7.6 m (25 ft)
- Deck Width
- 6.9 m (23 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 215 vehicles/day
- Structure Number
- 20727
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
CO RD NW 150 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 CO RD NW 150 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 CO RD NW 150?
CO RD NW 150 in Johnson, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is CO RD NW 150 inspected?
CO RD NW 150'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 215 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CO RD NW 150 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 CO RD NW 150?
CO RD NW 150 has an NBI inventory load rating of 18.0 metric tons.
Who is responsible for maintaining CO RD NW 150?
CO RD NW 150 is owned and maintained by County Highway Agency.
How old is CO RD NW 150 and does age affect safety?
CO RD NW 150 was built in 1900, making it 126 years old and last reconstructed in 1988.
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.
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.