FHWA NBI 2024 Inspection record Public-domain dataset

SE 50TH LN

Carrying SE 50TH LN over PETTIS CR

S 14 T 31 N R 30 W, Barton, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
4 t Inventory load rating

Bridge Snapshot: SE 50TH LN

The SE 50TH LN bridge in Barton, Missouri carries SE 50TH LN over PETTIS CR. It was built in 1920, making it 106 years old today. The structure is built primarily of steel and spans 1 section, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 20 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 5/9, superstructure at 6/9, 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 3.6 metric tons.

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

How SE 50TH LN compares

▼ 30.1
Load rating vs Missouri average (33.7 t)
Bottom 1%
Lower load rating than 99% of Missouri bridges
214
Bridges in Barton · 21 in Poor condition
SE 50TH LN 3.6 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
20.9 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
6.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
3.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1920
Material
Steel
Number of Spans
1
Structure Length
21.0 m (69 ft)
Deck Width
3.7 m (12 ft)
Owner
County Highway Agency
Avg Daily Traffic
20 vehicles/day
Structure Number
22674

Condition Analysis

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

How to read this record

SE 50TH LN 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 SE 50TH LN against other structures in Barton 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 SE 50TH LN?

SE 50TH LN in Barton, Missouri has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SE 50TH LN inspected?

SE 50TH LN'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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SE 50TH LN 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 SE 50TH LN?

SE 50TH LN has an NBI inventory load rating of 3.6 metric tons.

Who is responsible for maintaining SE 50TH LN?

SE 50TH LN is owned and maintained by County Highway Agency.

How old is SE 50TH LN and does age affect safety?

SE 50TH LN was built in 1920, making it 106 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.