FHWA NBI 2024 Inspection record Public-domain dataset

SE 45TH RD

Carrying SE 45TH RD 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
15 t Inventory load rating

Bridge Snapshot: SE 45TH RD

The SE 45TH RD bridge in Barton, Missouri carries SE 45TH RD over PETTIS CR. It was built in 1982, making it 44 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 15.5 meters (51 feet) end to end. Daily traffic averages 25 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 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 15.3 metric tons.

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

How SE 45TH RD compares

▼ 18.4
Load rating vs Missouri average (33.7 t)
Bottom 11%
Lower load rating than 89% of Missouri bridges
214
Bridges in Barton · 21 in Poor condition
SE 45TH RD 15.3 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
36.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
21.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Inventory Load Rating
15.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1982
Material
Concrete Continuous
Number of Spans
3
Structure Length
15.5 m (51 ft)
Deck Width
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
24573

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) is in poor condition (3/9), showing advanced deterioration that may require priority repair.

How to read this record

SE 45TH RD 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 45TH RD 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 45TH RD?

SE 45TH RD in Barton, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is SE 45TH RD inspected?

SE 45TH 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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SE 45TH RD 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 45TH RD?

SE 45TH RD has an NBI inventory load rating of 15.3 metric tons.

Who is responsible for maintaining SE 45TH RD?

SE 45TH RD is owned and maintained by County Highway Agency.

How old is SE 45TH RD and does age affect safety?

SE 45TH RD was built in 1982, making it 44 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.