US 18 EB
Carrying US 18 EB over WINNEBAGO RIVER & ROAD
0.6 mi. E of Jct. SR S56, Cerro Gordo, Iowa
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: US 18 EB
The US 18 EB bridge in Cerro Gordo, Iowa carries US 18 EB over WINNEBAGO RIVER & ROAD. It was built in 1998, making it 28 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 70 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. All reported major components score above the Poor range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How US 18 EB compares
Live comparison across Iowa.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1998
- Material
- Prestressed Concrete
- Avg Daily Traffic
- 70 vehicles/day
- Structure Number
- 000000000606450
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether US 18 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 US 18 EB against other structures in Cerro Gordo 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 18 EB?
US 18 EB in Cerro Gordo, Iowa on the FHWA's 0–9 scale.
How often is US 18 EB inspected?
US 18 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 70 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. US 18 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 US 18 EB?
An inventory load rating is not recorded for US 18 EB.
Who is responsible for maintaining US 18 EB?
Ownership is not specified for US 18 EB in the NBI.
How old is US 18 EB and does age affect safety?
US 18 EB was built in 1998, making it 28 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.
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.