FHWA NBI 2024 Inspection record Public-domain dataset

NW OLD 36 HWY

Carrying NW OLD 36 HWY over BRUSHY CR

S 21 T 57 N R 29 W, Caldwell, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: NW OLD 36 HWY

The NW OLD 36 HWY bridge in Caldwell, Missouri carries NW OLD 36 HWY over BRUSHY CR. It was built in 1922, making it 104 years old today. The structure is built primarily of steel and spans 1 section, stretching 24.5 meters (80 feet) end to end. Daily traffic averages 100 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 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. 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 NW OLD 36 HWY compares

▼ 15.7
Load rating vs Missouri average (33.7 t)
Bottom 18%
Lower load rating than 82% of Missouri bridges
208
Bridges in Caldwell · 22 in Poor condition
NW OLD 36 HWY 18.0 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
38.8 / 100 - historical 20–49.9 band
Structural adequacy /55
12.2
Serviceability /30
11.7
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
18.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1922
Material
Steel
Number of Spans
1
Structure Length
24.5 m (80 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
24302

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

NW OLD 36 HWY 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 NW OLD 36 HWY against other structures in Caldwell 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 NW OLD 36 HWY?

NW OLD 36 HWY in Caldwell, Missouri has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is NW OLD 36 HWY inspected?

NW OLD 36 HWY'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NW OLD 36 HWY 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 NW OLD 36 HWY?

NW OLD 36 HWY has an NBI inventory load rating of 18.0 metric tons.

Who is responsible for maintaining NW OLD 36 HWY?

NW OLD 36 HWY is owned and maintained by County Highway Agency.

How old is NW OLD 36 HWY and does age affect safety?

NW OLD 36 HWY was built in 1922, making it 104 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.