EXP. DISP. AREA RD
Carrying EXP. DISP. AREA RD over SPRING CREEK
APPROX 5000 E. OF RD. H, Des Moines, Iowa
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
EXP. DISP. AREA RD in Des Moines, Iowa is rated Poor in the FHWA's 2024 National Bridge Inventory.
Built in 1940, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure IA:DAPAMCIOW005490
PRE-1950 · STEEL · LONG-SPAN-RUN · CULVERT-LED · TRACE-ADT · LOAD-UNK · CAT-POOR
- PRE-1950 Pre-1950
- STEEL Steel
- LONG-SPAN-RUN 5 spans
- CULVERT-LED Culvert-led
- TRACE-ADT Trace ADT
- LOAD-UNK Load unrated
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: EXP. DISP. AREA RD
The EXP. DISP. AREA RD bridge in Des Moines, Iowa carries EXP. DISP. AREA RD over SPRING CREEK. It was built in 1940, making it 86 years old today. The structure is built primarily of steel and spans 5 sections, stretching 15.9 meters (52 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by NASA.
The latest FHWA inspection records show culvert at 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How EXP. DISP. AREA RD compares
Age against the county: built in 1940, earlier than 157 of Des Moines's 176 bridges with a recorded construction year (89%), against a county median build year of 1976. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Des Moines inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 176 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1940
- Material
- Steel
- Number of Spans
- 5
- Structure Length
- 15.9 m (52 ft) 0
- Owner
- NASA
- Avg Daily Traffic
- 5 vehicles/day
- Structure Number
- DAPAMCIOW005490
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
EXP. DISP. AREA RD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare EXP. DISP. AREA RD 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 EXP. DISP. AREA RD?
EXP. DISP. AREA RD in Des Moines, Iowa on the FHWA's 0–9 scale.
How often is EXP. DISP. AREA RD inspected?
EXP. DISP. AREA RD'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 5 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. EXP. DISP. AREA RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for EXP. DISP. AREA RD?
An inventory load rating is not recorded for EXP. DISP. AREA RD.
Who is responsible for maintaining EXP. DISP. AREA RD?
EXP. DISP. AREA RD is owned and maintained by NASA.
How old is EXP. DISP. AREA RD and does age affect safety?
EXP. DISP. AREA RD was built in 1940, making it 86 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.