FHWA NBI 2024 Inspection record Public-domain dataset

MOCKINGBIRD AVE

Carrying MOCKINGBIRD AVE over CREEK

081341802, Audubon, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating

Bridge Snapshot: MOCKINGBIRD AVE

The MOCKINGBIRD AVE bridge in Audubon, Iowa carries MOCKINGBIRD AVE over CREEK. It was built in 1993, making it 33 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 11 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 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 36.6 metric tons.

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

How MOCKINGBIRD AVE compares

▲ 5.7
Load rating vs Iowa average (30.9 t)
Top 25%
Higher load rating than 75% of Iowa bridges
161
Bridges in Audubon · 33 in Poor condition
MOCKINGBIRD AVE 36.6 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
88.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
21.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1993
Material
Wood or Timber
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
11 vehicles/day
Structure Number
000000000069201

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether MOCKINGBIRD 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 MOCKINGBIRD AVE against other structures in Audubon 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 MOCKINGBIRD AVE?

MOCKINGBIRD AVE in Audubon, Iowa has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MOCKINGBIRD AVE inspected?

MOCKINGBIRD 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 11 vehicles per day.

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

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

MOCKINGBIRD AVE has an NBI inventory load rating of 36.6 metric tons.

Who is responsible for maintaining MOCKINGBIRD AVE?

MOCKINGBIRD AVE is owned and maintained by County Highway Agency.

How old is MOCKINGBIRD AVE and does age affect safety?

MOCKINGBIRD AVE was built in 1993, making it 33 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.