FHWA NBI 2024 Inspection record Public-domain dataset

275TH RD

Carrying 275TH RD over BR OF LK THUNDERHE

S 28 T 66 N R 19 W, Putnam, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: 275TH RD

The 275TH RD bridge in Putnam, Missouri carries 275TH RD over BR OF LK THUNDERHE. It was built in 2024, making it 2 years old today. The structure is built primarily of steel and spans 1 section, stretching 24.4 meters (80 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 9/9, superstructure at 9/9, substructure at 9/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.4 metric tons.

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

How 275TH RD compares

▼ 1.3
Load rating vs Missouri average (33.7 t)
Bottom 45%
Lower load rating than 55% of Missouri bridges
213
Bridges in Putnam · 33 in Poor condition
275TH RD 32.4 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
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 How the historical reference is calculated.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
9/9
Good (7–9)
Superstructure
9/9
Good (7–9)
Substructure
9/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2024
Material
Steel
Number of Spans
1
Structure Length
24.4 m (80 ft)
Deck Width
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
20 vehicles/day
Structure Number
37078

Condition Analysis

  • The deck (driving surface) rates good at 9/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 9/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (9/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether 275TH RD 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 275TH RD against other structures in Putnam 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 275TH RD?

275TH RD in Putnam, Missouri has a deck rating of 9/9, superstructure rating of 9/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.

How often is 275TH RD inspected?

275TH 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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 275TH RD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 275TH RD?

275TH RD has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining 275TH RD?

275TH RD is owned and maintained by County Highway Agency.

How old is 275TH RD and does age affect safety?

275TH RD was built in 2024, making it 2 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.