D16 OTTERVILLE
Carrying D16 OTTERVILLE over SMALL STREAM
089092801, Buchanan, Iowa
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: D16 OTTERVILLE
The D16 OTTERVILLE bridge in Buchanan, Iowa carries D16 OTTERVILLE over SMALL STREAM. It was built in 2019, making it 7 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 22.3 meters (73 feet) end to end. Daily traffic averages 805 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 41.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How D16 OTTERVILLE 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 How the historical reference is calculated.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
- 2019
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 22.3 m (73 ft)
- Deck Width
- 13.2 m (43 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 805 vehicles/day
- Structure Number
- 000000000083001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether D16 OTTERVILLE 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 D16 OTTERVILLE against other structures in Buchanan 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 D16 OTTERVILLE?
D16 OTTERVILLE in Buchanan, Iowa has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is D16 OTTERVILLE inspected?
D16 OTTERVILLE'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 805 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. D16 OTTERVILLE 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 D16 OTTERVILLE?
D16 OTTERVILLE has an NBI inventory load rating of 41.7 metric tons.
Who is responsible for maintaining D16 OTTERVILLE?
D16 OTTERVILLE is owned and maintained by County Highway Agency.
How old is D16 OTTERVILLE and does age affect safety?
D16 OTTERVILLE was built in 2019, making it 7 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.