FHWA NBI 2024 Inspection record Public-domain dataset

364TH AVE

Carrying 364TH AVE over SUGAR CREEK

084E43502, Jackson, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
24 t Inventory load rating

Bridge Snapshot: 364TH AVE

The 364TH AVE bridge in Jackson, Iowa carries 364TH AVE over SUGAR CREEK. It was built in 2020, making it 6 years old today. The structure is built primarily of steel and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 59 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 7/9, substructure at 8/9. 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 24.3 metric tons.

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

How 364TH AVE compares

▼ 6.6
Load rating vs Iowa average (30.9 t)
Bottom 31%
Lower load rating than 69% of Iowa bridges
209
Bridges in Jackson · 41 in Poor condition
364TH AVE 24.3 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
92.5 / 100 - historical 80–100 band
Structural adequacy /55
47.5
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2020
Material
Steel
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
59 vehicles/day
Structure Number
000000000192541

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether 364TH AVE 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 364TH AVE against other structures in Jackson and across Iowa. Iowa 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 364TH AVE?

364TH AVE in Jackson, Iowa has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is 364TH AVE inspected?

364TH 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 59 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 364TH AVE 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 364TH AVE?

364TH AVE has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining 364TH AVE?

364TH AVE is owned and maintained by County Highway Agency.

How old is 364TH AVE and does age affect safety?

364TH AVE was built in 2020, making it 6 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.