FHWA NBI 2024 Inspection record Public-domain dataset

FERGUSON AVE

Carrying FERGUSON AVE over MALINE CR

S 393 T 46 N R 6 E, St. Louis, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: FERGUSON AVE

The FERGUSON AVE bridge in St. Louis, Missouri carries FERGUSON AVE over MALINE CR. It was built in 1977, making it 49 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 35.1 meters (115 feet) end to end. Daily traffic averages 5,973 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, 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 21.6 metric tons.

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

How FERGUSON AVE compares

▼ 12.1
Load rating vs Missouri average (33.7 t)
Bottom 23%
Lower load rating than 77% of Missouri bridges
912
Bridges in St. Louis · 36 in Poor condition
FERGUSON AVE 21.6 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
38.1 / 100 - historical 20–49.9 band
Structural adequacy /55
18.5
Serviceability /30
9.0
Essentiality /15
10.7
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
21.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1977
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
35.1 m (115 ft)
Deck Width
14.0 m (46 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,973 vehicles/day
Structure Number
17115

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • 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 (6/9), with minor deterioration that may require routine maintenance.

How to read this record

FERGUSON AVE 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 FERGUSON AVE against other structures in St. Louis 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 FERGUSON AVE?

FERGUSON AVE in St. Louis, Missouri has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FERGUSON AVE inspected?

FERGUSON AVE'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 5,973 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FERGUSON AVE 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 FERGUSON AVE?

FERGUSON AVE has an NBI inventory load rating of 21.6 metric tons.

Who is responsible for maintaining FERGUSON AVE?

FERGUSON AVE is owned and maintained by City/Municipal Highway Agency.

How old is FERGUSON AVE and does age affect safety?

FERGUSON AVE was built in 1977, making it 49 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.