FHWA NBI 2024 Inspection record Public-domain dataset

CO RD NE 251

Carrying CO RD NE 251 over BR F BLACKWATER RV

S 5 T 46 N R 25 W, Johnson, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating

Bridge Snapshot: CO RD NE 251

The CO RD NE 251 bridge in Johnson, Missouri carries CO RD NE 251 over BR F BLACKWATER RV. It was built in 1930, making it 96 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 78 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 5/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 17.1 metric tons.

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

How CO RD NE 251 compares

▼ 16.6
Load rating vs Missouri average (33.7 t)
Bottom 16%
Lower load rating than 84% of Missouri bridges
477
Bridges in Johnson · 21 in Poor condition
CO RD NE 251 17.1 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
67.4 / 100 - historical 50–79.9 band
Structural adequacy /55
25.5
Serviceability /30
27.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
17.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1930
Last Reconstructed
1999
Material
Steel
Number of Spans
2
Structure Length
15.2 m (50 ft)
Deck Width
6.4 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
78 vehicles/day
Structure Number
19379

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • 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 CO RD NE 251 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 CO RD NE 251 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 NE 251?

CO RD NE 251 in Johnson, Missouri has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is CO RD NE 251 inspected?

CO RD NE 251'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 78 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CO RD NE 251 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 CO RD NE 251?

CO RD NE 251 has an NBI inventory load rating of 17.1 metric tons.

Who is responsible for maintaining CO RD NE 251?

CO RD NE 251 is owned and maintained by County Highway Agency.

How old is CO RD NE 251 and does age affect safety?

CO RD NE 251 was built in 1930, making it 96 years old and last reconstructed in 1999.

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.