PLANT ROAD FS-12
Carrying PLANT ROAD FS-12 over LONG CREEK
APPROX. 3000 N. OF RD I, Des Moines, Iowa
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
PLANT ROAD FS-12 in Des Moines, Iowa sits above 99% of rated Iowa bridges on inventory load rating (97 t), while its 2003 build year is earlier than 24% of Des Moines's recorded-year cohort (176 bridges).
PLANT ROAD FS-12 in Des Moines, Iowa is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2003, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:DAPAMCIOW005491
POST-2000 · STEEL · MULTI-SPAN · CULVERT-LED · TRACE-ADT · HEAVY-LOAD · CAT-FAIR
- POST-2000 2000+
- STEEL Steel
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- TRACE-ADT Trace ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
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: PLANT ROAD FS-12
The PLANT ROAD FS-12 bridge in Des Moines, Iowa carries PLANT ROAD FS-12 over LONG CREEK. It was built in 2003, making it 23 years old today. The structure is built primarily of steel and spans 2 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 10 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 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How PLANT ROAD FS-12 compares
Age against the county: built in 2003, earlier than 42 of Des Moines's 176 bridges with a recorded construction year (24%), against a county median build year of 1976. This is one of the newer structures in its county.
Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).
PLANT ROAD FS-12 vs every rated Iowa bridge
Inventory load rating (metric tons), FHWA NBI, this state
97 Top 1% higher than 99% of 23,718 bridges
rated Iowa bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
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
- 2003
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 9.8 m (32 ft) 0
- Owner
- NASA
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- DAPAMCIOW005491
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 PLANT ROAD FS-12 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 PLANT ROAD FS-12 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 PLANT ROAD FS-12?
PLANT ROAD FS-12 in Des Moines, Iowa on the FHWA's 0–9 scale.
How often is PLANT ROAD FS-12 inspected?
PLANT ROAD FS-12'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 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PLANT ROAD FS-12 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for PLANT ROAD FS-12?
PLANT ROAD FS-12 has an NBI inventory load rating of 97.2 metric tons.
Who is responsible for maintaining PLANT ROAD FS-12?
PLANT ROAD FS-12 is owned and maintained by NASA.
How old is PLANT ROAD FS-12 and does age affect safety?
PLANT ROAD FS-12 was built in 2003, making it 23 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.