FHWA NBI 2024 Inspection record Public-domain dataset

WITHERS RD

Carrying WITHERS RD over SHOAL CR

S 24 T 51 N R 32 W, Clay, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: WITHERS RD

The WITHERS RD bridge in Clay, Missouri carries WITHERS RD over SHOAL CR. It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete continuous and spans 1 section, stretching 109.7 meters (360 feet) end to end. Daily traffic averages 300 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 35.1 metric tons.

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

How WITHERS RD compares

▲ 1.4
Load rating vs Missouri average (33.7 t)
Top 41%
Higher load rating than 59% of Missouri bridges
436
Bridges in Clay · 28 in Poor condition
WITHERS RD 35.1 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
87.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.6
Essentiality /15
14.8
Special reductions
−1.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
35.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2005
Material
Prestressed Concrete Continuous
Number of Spans
1
Structure Length
109.7 m (360 ft)
Deck Width
19.2 m (63 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
300 vehicles/day
Structure Number
31569

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 WITHERS 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 WITHERS RD against other structures in Clay 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 WITHERS RD?

WITHERS RD in Clay, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WITHERS RD inspected?

WITHERS 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 300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WITHERS RD 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 WITHERS RD?

WITHERS RD has an NBI inventory load rating of 35.1 metric tons.

Who is responsible for maintaining WITHERS RD?

WITHERS RD is owned and maintained by City/Municipal Highway Agency.

How old is WITHERS RD and does age affect safety?

WITHERS RD was built in 2005, making it 21 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.