FHWA NBI 2024 Inspection record Public-domain dataset

IA 100 EB

Carrying IA 100 EB over ELLIS RD SILVER CREEK

2.8 Mi. N of US 218/30, Linn, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: IA 100 EB

The IA 100 EB bridge in Linn, Iowa carries IA 100 EB over ELLIS RD SILVER CREEK. It was built in 2016, making it 10 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 360 vehicles, placing it in the lower-traffic tier of Iowa bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.

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

How IA 100 EB compares

428
Bridges in Linn · 20 in Poor condition

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
99.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.7
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
2016
Material
Prestressed Concrete
Avg Daily Traffic
360 vehicles/day
Structure Number
000000000700635

How to read this record

This page shows what the last federal inspection recorded, not whether IA 100 EB 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 IA 100 EB against other structures in Linn 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 IA 100 EB?

IA 100 EB in Linn, Iowa on the FHWA's 0–9 scale.

How often is IA 100 EB inspected?

IA 100 EB'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 360 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IA 100 EB is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IA 100 EB?

An inventory load rating is not recorded for IA 100 EB.

Who is responsible for maintaining IA 100 EB?

Ownership is not specified for IA 100 EB in the NBI.

How old is IA 100 EB and does age affect safety?

IA 100 EB was built in 2016, making it 10 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.