FHWA NBI 2024 Inspection record Public-domain dataset

EAST 16TH ST

Carrying EAST 16TH ST over LAKE PEOSTA CHANNEL

000000000, Dubuque, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
27 t Inventory load rating

Bridge Snapshot: EAST 16TH ST

The EAST 16TH ST bridge in Dubuque, Iowa carries EAST 16TH ST over LAKE PEOSTA CHANNEL. It was built in 1982, making it 44 years old today. The structure is built primarily of steel continuous and spans 5 sections, stretching 105.8 meters (347 feet) end to end. Daily traffic averages 9,191 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, 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 27.2 metric tons.

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

How EAST 16TH ST compares

▼ 3.7
Load rating vs Iowa average (30.9 t)
Bottom 39%
Lower load rating than 61% of Iowa bridges
304
Bridges in Dubuque · 27 in Poor condition
EAST 16TH ST 27.2 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
55.3 / 100 - historical 50–79.9 band
Structural adequacy /55
41.1
Serviceability /30
11.0
Essentiality /15
5.2
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1982
Material
Steel Continuous
Number of Spans
5
Structure Length
105.8 m (347 ft)
Deck Width
18.3 m (60 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
9,191 vehicles/day
Structure Number
000000000605410

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether EAST 16TH ST 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 EAST 16TH ST against other structures in Dubuque 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 EAST 16TH ST?

EAST 16TH ST in Dubuque, Iowa has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is EAST 16TH ST inspected?

EAST 16TH 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 9,191 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. EAST 16TH ST 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 EAST 16TH ST?

EAST 16TH ST has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining EAST 16TH ST?

EAST 16TH ST is owned and maintained by City/Municipal Highway Agency.

How old is EAST 16TH ST and does age affect safety?

EAST 16TH ST was built in 1982, making it 44 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.