FHWA NBI 2024 Inspection record Public-domain dataset

US 34 WB OFF RAMP

Carrying US 34 WB OFF RAMP over PARKING LOT

0.2 mi. W of IL St. Line, Des Moines, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: US 34 WB OFF RAMP

The US 34 WB OFF RAMP bridge in Des Moines, Iowa carries US 34 WB OFF RAMP over PARKING LOT. It was built in 1972, making it 54 years old today. The structure is built primarily of steel continuous. Daily traffic averages 500 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 34 WB OFF RAMP compares

156
Bridges in Des Moines · 26 in Poor condition

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
88.8 / 100 - historical 80–100 band
Structural adequacy /55
45.9
Serviceability /30
28.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
1972
Material
Steel Continuous
Avg Daily Traffic
500 vehicles/day
Structure Number
000000000604851

How to read this record

This page shows what the last federal inspection recorded, not whether US 34 WB OFF RAMP 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 34 WB OFF RAMP against other structures in Des Moines 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 34 WB OFF RAMP?

US 34 WB OFF RAMP in Des Moines, Iowa on the FHWA's 0–9 scale.

How often is US 34 WB OFF RAMP inspected?

US 34 WB OFF RAMP'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 500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 34 WB OFF RAMP 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 34 WB OFF RAMP?

An inventory load rating is not recorded for US 34 WB OFF RAMP.

Who is responsible for maintaining US 34 WB OFF RAMP?

Ownership is not specified for US 34 WB OFF RAMP in the NBI.

How old is US 34 WB OFF RAMP and does age affect safety?

US 34 WB OFF RAMP was built in 1972, making it 54 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.