FAS 3556
Carrying FAS 3556 over CREEK
086230602, Hamilton, Iowa
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FAS 3556
The FAS 3556 bridge in Hamilton, Iowa carries FAS 3556 over CREEK. It was built in 1947, making it 79 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 478 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 culvert at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 31.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FAS 3556 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 How the historical reference is calculated.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
- 1947
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 9.1 m (30 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 478 vehicles/day
- Structure Number
- 000000000170650
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
FAS 3556 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 FAS 3556 against other structures in Hamilton 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 FAS 3556?
FAS 3556 in Hamilton, Iowa on the FHWA's 0–9 scale.
How often is FAS 3556 inspected?
FAS 3556'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 478 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FAS 3556 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 FAS 3556?
FAS 3556 has an NBI inventory load rating of 31.7 metric tons.
Who is responsible for maintaining FAS 3556?
FAS 3556 is owned and maintained by County Highway Agency.
How old is FAS 3556 and does age affect safety?
FAS 3556 was built in 1947, making it 79 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.