FHWA NBI 2024 Inspection record Public-domain dataset

DE WITT ST

Carrying DE WITT ST over TANYARD BR

S 2 T 39 N R 4 E, Jefferson, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
12 t Inventory load rating

Bridge Snapshot: DE WITT ST

The DE WITT ST bridge in Jefferson, Missouri carries DE WITT ST over TANYARD BR. It was built in 1900, making it 126 years old today. The structure is built primarily of steel and spans 1 section, stretching 9.1 meters (30 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 3/9, superstructure at 5/9, substructure at 6/9. 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 11.7 metric tons.

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

How DE WITT ST compares

▼ 22.0
Load rating vs Missouri average (33.7 t)
Bottom 6%
Lower load rating than 94% of Missouri bridges
411
Bridges in Jefferson · 14 in Poor condition
DE WITT ST 11.7 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
35.3 / 100 - historical 20–49.9 band
Structural adequacy /55
14.4
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
11.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1900
Material
Steel
Number of Spans
1
Structure Length
9.1 m (30 ft)
Deck Width
8.7 m (29 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
300 vehicles/day
Structure Number
16212

Condition Analysis

  • The deck (driving surface) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

DE WITT ST 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 DE WITT ST against other structures in Jefferson 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 DE WITT ST?

DE WITT ST in Jefferson, Missouri has a deck rating of 3/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is DE WITT ST inspected?

DE WITT ST'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. DE WITT ST 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 DE WITT ST?

DE WITT ST has an NBI inventory load rating of 11.7 metric tons.

Who is responsible for maintaining DE WITT ST?

DE WITT ST is owned and maintained by City/Municipal Highway Agency.

How old is DE WITT ST and does age affect safety?

DE WITT ST was built in 1900, making it 126 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.