FHWA NBI 2024 Inspection record Public-domain dataset

US 218

Carrying US 218 over DRAINAGE DITCH

0.1 NORTH OF JCT. SR C13, Bremer, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: US 218

The US 218 bridge in Bremer, Iowa carries US 218 over DRAINAGE DITCH. It was built in 2001, making it 25 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 15.9 meters (52 feet) end to end. Daily traffic averages 10,900 vehicles, placing it in the heavily-trafficked tier of Iowa bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.7 metric tons.

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

How US 218 compares

▲ 1.8
Load rating vs Iowa average (30.9 t)
Top 44%
Higher load rating than 56% of Iowa bridges
220
Bridges in Bremer · 22 in Poor condition
US 218 32.7 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
83.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
13.8
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 How the historical reference is calculated.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

Culvert
8/9
Good (7–9)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2001
Material
Concrete Continuous
Number of Spans
3
Structure Length
15.9 m (52 ft)
Owner
State Highway Agency
Avg Daily Traffic
10,900 vehicles/day
Structure Number
000000000608305

How to read this record

This page shows what the last federal inspection recorded, not whether US 218 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 US 218 against other structures in Bremer 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 US 218?

US 218 in Bremer, Iowa on the FHWA's 0–9 scale.

How often is US 218 inspected?

US 218'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 10,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 218 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 US 218?

US 218 has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining US 218?

US 218 is owned and maintained by State Highway Agency.

How old is US 218 and does age affect safety?

US 218 was built in 2001, making it 25 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.